Amicus Curiae Brief — Republic of Hungary, et al., Petitioners v. Rosalie Simon, et al.

Supreme Court briefSep 3, 2024

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No. 23-867

In the Supreme Court of the United States

REPUBLIC OF HUNGARY, ET AL., PETITIONERS

v.

ROSALIE SIMON, ET AL.

ON WRIT OF CERTIORARI

TO THE UNITED STATES COURT OF APPEALS

FOR THE DISTRICT OF COLUMBIA CIRCUIT

BRIEF FOR THE UNITED STATES

AS AMICUS CURIAE SUPPORTING PETITIONERS

RICHARD C. VISEK

Principal Deputy Legal

Adviser

Department of State

Washington, D.C. 20520

BRIAN H. FLETCHER

Acting Solicitor General

Counsel of Record

BRIAN M. BOYNTON

Principal Deputy Assistant

Attorney General

EDWIN S. KNEEDLER

Deputy Solicitor General

SOPAN JOSHI

Assistant to the Solicitor

General

SHARON SWINGLE

LEWIS S. YELIN

Attorneys

Department of Justice

Washington, D.C. 20530-0001

SupremeCtBriefs@usdoj.gov

(202) 514-2217

QUESTIONS PRESENTED

The Foreign Sovereign Immunities Act of 1976, 28

U.S.C. 1330, 1441(d), 1602 et seq., provides that foreign

states, including their agencies and instrumentalities,

generally are immune from civil lawsuits in state and

federal courts, save for limited exceptions. Under the

“expropriation exception,” federal and state courts have

jurisdiction over certain cases involving rights in property if, among other things, “that property or any property exchanged for such property” has a specified connection to commercial activity carried on in the United

States. 28 U.S.C. 1605(a)(3) (emphasis added). The

questions presented are:

1. Whether the entirety of a foreign sovereign’s

treasury may be treated as “property exchanged for

[expropriated] property,” 28 U.S.C. 1605(a)(3), if the

sovereign disposed of the expropriated property and

deposited the proceeds in its general treasury.

2. Whether, in the course of determining if the plaintiff has made out a legally valid claim that an exception

to sovereign immunity applies, a court should resolve

contested facts underlying the claimed exception at the

outset of the case instead of relying on the complaint’s

allegations.

3. Whether a plaintiff suing a foreign state has the

burden to prove that an exception to sovereign immunity applies, or whether instead the defendant has the

burden to prove that the claimed exception does not apply.

(I)

TABLE OF CONTENTS

Page

Interest of the United States....................................................... 1

Statement ...................................................................................... 2

Summary of argument ................................................................. 8

Argument:

I. The deposit of proceeds from the sale of

expropriated property in a sovereign’s general

treasury does not establish that all general

treasury funds were “exchanged for” the

expropriated property ................................................... 11

A. The commingling theory is inconsistent with

the FSIA’s text and context ................................... 11

B. The commingling theory is inconsistent with

the FSIA’s history and purposes ........................... 16

C. The court of appeals’ contrary reasoning lacks

merit ......................................................................... 23

II. In determining whether a plaintiff has a valid

claim that an exception to sovereign immunity

applies, the court should resolve factual disputes at

the outset of the case ..................................................... 26

III. Under the FSIA, the plaintiff bears the burden to

prove that an exception to sovereign immunity

applies ............................................................................. 30

Conclusion ................................................................................... 33

TABLE OF AUTHORITIES

Cases:

Abramski v. United States, 573 U.S. 169 (2014) ................ 13

Alfred Dunhill of London, Inc. v. Republic of Cuba,

425 U.S. 682 (1976)........................................................ 18, 19

American Insurance Association v. Garamendi,

539 U.S. 396 (2003).............................................................. 26

Argentine Republic v. Amerada Hess Shipping

Corp., 488 U.S. 428 (1989) .................................................. 17

(III)

IV

Cases—Continued:

Page

Ashcroft v. Iqbal, 556 U.S. 662 (2009) .................................. 27

Azar v. Allina Health Services, 587 U.S. 566 (2019) ......... 31

Badgerow v. Walters, 596 U.S. 1 (2022) .............................. 22

Baker Botts L.L.P. v. ASARCO LLC,

576 U.S. 121 (2015).............................................................. 23

Banco Nacional de Cuba v. Sabbatino,

376 U.S. 398 (1964).................................................... 9, 20, 21

Belize Social Development Ltd. v. Government of

Belize, 794 F.3d 99 (D.C. Cir. 2015), cert. denied,

580 U.S. 1046 (2017)............................................................ 30

Bell Atlantic Corp. v. Twombly,

550 U.S. 544 (2007).............................................................. 27

Bolivarian Republic of Venezuela v. Helmerich &

Payne International Drilling Co., 581 U.S. 170

(2017) ................................................... 7, 10, 17, 21, 26-29, 32

Boos v. Barry, 485 U.S. 312 (1988) ...................................... 18

Cutter v. Wilkinson, 544 U.S. 709 (2005) ............................ 25

Dole Food Co. v. Patrickson, 538 U.S. 468 (2003) .............. 16

FBI v. Fikre, 601 U.S. 234 (2024) ........................................ 28

Federal Republic of Germany v. Philipp,

592 U.S. 169 (2021)......................................... 5, 20-22, 24, 29

Great-West Life & Annuity Insurance Co. v.

Knudson, 534 U.S. 204 (2002) ........................................... 24

Gwaltney of Smithfield, Ltd. v. Chesapeake Bay

Foundation, Inc., 484 U.S. 49 (1987) ................................ 28

Helvering v. William Flaccus Oak Leather Co.,

313 U.S. 247 (1941).............................................................. 13

Hertz Corp. v. Friend, 559 U.S. 77 (2010) ........................... 31

Johnson v. City of Shelby, 574 U.S. 10 (2014) .................... 27

Kokkonen v. Guardian Life Insurance Co.,

511 U.S. 375 (1994).............................................................. 31

V

Cases—Continued:

Page

Luis v. United States, 578 U.S. 5 (2016) ............................. 25

National City Bank v. Republic of China,

348 U.S. 356 (1955).............................................................. 18

National Rifle Association v.

Vullo, 602 U.S. 175 (2024) .................................................. 28

Persinger v. Islamic Republic of Iran,

729 F.2d 835 (D.C. Cir.), cert. denied,

469 U.S. 881 (1984).............................................................. 18

Preston v. Keene, 39 U.S. 133 (1840) ................................... 12

Republic of Austria v. Altmann,

541 U.S. 677 (2004).............................................................. 29

Republic of Sudan v. Harrison, 587 U.S. 1 (2019) ............. 12

Rukoro v. Federal Republic of Germany,

976 F.3d 218 (2d Cir. 2020), cert. denied,

141 S. Ct. 2724 (2021) ......................................................... 24

Sandifer v. United States Steel Corp.,

571 U.S. 220 (2014).............................................................. 12

Saudi Arabia v. Nelson, 507 U.S. 349 (1993) ..................... 31

Transamerican Steamship Corp. v. Somali Democratic Republic, 767 F.2d 998 (D.C. Cir. 1985) .......... 30, 31

Truck Insurance Exchange v. Kaiser Gypsum Co.,

144 S. Ct. 1414 (2024) ......................................................... 23

Verlinden B.V. v. Central Bank of Nigeria,

461 U.S. 480 (1983)................................................... 17-19, 32

Victory Transport Inc. v. Comisaria General

de Abastecimientos y Transportes,

336 F.2d 354 (2d Cir. 1964),

cert. denied, 381 U.S. 934 (1965) ....................................... 20

Statutes and rules:

Foreign Sovereign Immunities Act of 1976,

28 U.S.C. 1330, 1441(d), 1602 et seq. ................................... 1

28 U.S.C. 1330(a) ............................................................. 31

VI

Statutes and rules—Continued:

Page

28 U.S.C. 1603(a) ............................................................... 3

28 U.S.C. 1604 .................................................................... 3

28 U.S.C. 1605(a) ............................................................... 3

28 U.S.C. 1605(a)(3) ........................ 3-5, 8, 11-16, 21-23, 29

28 U.S.C. 1606 .................................................................... 3

22 U.S.C. 2370(e)(2) ............................................................... 21

28 U.S.C. 1391(f )(4) ............................................................... 33

Fed. R. Civ. P.:

Rule 12(b)(1) .................................................................... 28

Rule 12(b)(6) .............................................................. 27, 28

Miscellaneous:

Black’s Law Dictionary (5th ed. 1979) ................... 12, 13, 15

Department of Justice, Office of Foreign Litigation,

www.justice.gov/civil/office-foreign-litigation

(updated Mar. 22, 2025)...................................................... 18

H.R. Rep. No. 1487, 94th Cong., 2d Sess. (1976) ................ 31

Office of the Special Envoy, Bureau of European

and Eurasian Affairs, U.S. Department of State,

JUST Act Report (Mar. 2020), www.state.gov/

wp-content/uploads/2020/02/JUST-Act5.pdf ..................... 2

The American Heritage Dictionary (1975) .................. 12, 15

5 The Oxford English Dictionary (2d ed. 1989) ................. 12

Webster’s New International Dictionary

(2d ed. 1934)................................................................... 12, 15

5B Charles Alan Wright et al., Federal Practice and

Procedure (4th ed. West 2024) .......................................... 27

In the Supreme Court of the United States

No. 23-867

REPUBLIC OF HUNGARY, ET AL., PETITIONERS

v.

ROSALIE SIMON, ET AL.

ON WRIT OF CERTIORARI

TO THE UNITED STATES COURT OF APPEALS

FOR THE DISTRICT OF COLUMBIA CIRCUIT

BRIEF FOR THE UNITED STATES

AS AMICUS CURIAE SUPPORTING PETITIONERS

INTEREST OF THE UNITED STATES

This case concerns the substantive and procedural

standards for establishing subject-matter jurisdiction

in a civil action against a foreign state under the expropriation exception to sovereign immunity in the Foreign

Sovereign Immunities Act of 1976 (FSIA), 28 U.S.C.

1330, 1441(d), 1602 et seq. Civil litigation against foreign sovereigns in U.S. courts can have significant

foreign-relations implications for the United States and

can affect the reciprocal treatment of the United States

in the courts of other nations. The United States thus

has a substantial interest in this case.

Although the United States agrees with petitioners

that the court of appeals erred in interpreting and applying the FSIA’s expropriation exception, the United

States deplores the atrocities committed by the Nazi re(1)

2

gime and its allies and supports efforts to provide their

victims with remedies for the egregious wrongs they

have suffered. Since Hungary’s transition from Communism, the United States has worked in numerous

ways to achieve a measure of justice for victims of the

Hungarian Holocaust and their heirs, and—with the

United States’ encouragement—the Hungarian government has provided some relief to compensate Holocaust

survivors and other victims of the Nazis. See Office of

the Special Envoy, Bureau of European and Eurasian

Affairs, U.S. Department of State, JUST Act Report 8488 (Mar. 2020), www.state.gov/wp-content/uploads/2020/

02/JUST-Act5.pdf. The United States has a paramount

interest in ensuring that its foreign partners establish

appropriate domestic redress and compensation mechanisms for Holocaust victims and seeks to prevent litigation in U.S. courts that could undermine that objective.

STATEMENT

1. Respondents are, or are heirs to, Jewish survivors

of the Hungarian Holocaust. Pet. App. 3; see Br. in Opp.

ii. Respondents filed suit in the United States District

Court for the District of Columbia against petitioners—

the Republic of Hungary and the state-owned Hungarian railway, Magyar Államvasutak Zrt. (MÁV)—on behalf of a putative class of Hungarian Holocaust survivors and their heirs. Pet. App. 12. Respondents allege

that Hungary collaborated with the Nazis to exterminate Hungarian Jews and expropriate their property,

and that MÁV assisted that effort both by transporting

Hungarian Jews to death camps and by stripping them

of their personal property at the point of embarkation.

See id. at 11, 96-97. As relevant here, respondents seek

“compensation for the seizure of their property during

3

the Holocaust.” Id. at 3. To that end, the operative complaint alleges various common-law property torts, including conversion and unjust enrichment, as well as

other claims. Id. at 99-100.

The FSIA provides that as a general matter, a foreign state, including its agencies and instrumentalities,

“shall be immune from the jurisdiction” of federal and

state courts. 28 U.S.C. 1604; see 28 U.S.C. 1603(a) (defining “foreign state” to include “an agency or instrumentality of a foreign state”). The FSIA further provides, however, that “[a] foreign state shall not be immune from the jurisdiction of courts of the United

States or of the States” where suit is expressly permitted by certain international agreements or by exceptions enumerated in the FSIA. 28 U.S.C. 1605(a). If

one of those exceptions applies, “the foreign state shall

be liable in the same manner and to the same extent as

a private individual under like circumstances,” subject

to certain limitations on punitive damages not relevant

here. 28 U.S.C. 1606.

Respondents asserted that the district court had

subject-matter jurisdiction because their claims fell

within the expropriation exception to immunity set

forth in 28 U.S.C. 1605(a)(3). Section 1605(a)(3) provides that “[a] foreign state shall not be immune from

the jurisdiction of courts of the United States or of the

States in any case * * * in which rights in property

taken in violation of international law are in issue” and

“that property or any property exchanged for such

property” has a specified connection to commercial activity in the United States. Ibid. Specifically, that connection can be established if “that property or any property exchanged for such property” is either “present in

the United States in connection with a commercial ac-

4

tivity carried on in the United States by the foreign

state,” or “owned or operated by an agency or instrumentality of the foreign state and that agency or instrumentality is engaged in a commercial activity in the

United States.” Ibid.

The principal substantive dispute now before this

Court involves the meaning of the phrase “any property

exchanged for such property” in 28 U.S.C. 1605(a)(3).

Respondents do not allege that any of the actual property allegedly taken from them has the requisite connection to commercial activity in the United States. Instead, they allege that Hungary’s general treasury

funds have the requisite connection, and that those general treasury funds qualify as “property exchanged for

[respondents’] property” because at some point in time

Hungary sold the expropriated property and deposited

the proceeds into its general treasury. Ibid.; see J.A.

33-35. The parties call that basis for establishing the

connection to commercial activity the “commingling

theory.” Pet. Br. 1; Br. in Opp. 5.

2. This case was filed in 2010 and has accumulated a

lengthy and complex procedural history. Petitioners

have filed four motions to dismiss, which have given rise

to multiple trips to the court of appeals and a previous

grant of certiorari by this Court. Pet. App. 12-15, 100129 (recounting the history); see 592 U.S. 207.

a. Two prior rulings are most relevant here. First,

in 2016, the D.C. Circuit endorsed the commingling theory. See 812 F.3d 127, 147. The court explained that

allegations “that the Hungarian defendants liquidated

the stolen property, mixed the resulting funds with

their general revenues, and devoted the proceeds to

funding various governmental and commercial operations * * * suffice to raise a ‘plausible inference’ that

5

the defendants retain the property or proceeds thereof ”

for purposes of the expropriation exception’s property

requirement. Ibid. (brackets and citation omitted).

And consistent with circuit precedent, the court explained that “the defendants [i.e., petitioners] will bear

the burden of persuasion to ‘establish the absence of the

factual basis [of commingling] by a preponderance of

the evidence.’ ” Ibid. (emphasis added; citation omitted).

Second, in 2020, this Court granted certiorari to review the D.C. Circuit’s holding that international comity did not preclude adjudication of this case, 141 S. Ct.

187, but ultimately issued a per curiam order vacating

and remanding in light of Federal Republic of Germany

v. Philipp, 592 U.S. 169 (2021), which held that the expropriation exception does not encompass claims based

on “a foreign sovereign’s taking of its own nationals’

property,” id. at 176. See 592 U.S. at 208.

b. The case was then remanded to the district court,

which granted in part and denied in part petitioners’

fourth motion to dismiss. Pet. App. 93-192.

As relevant here, the district court reaffirmed its

previous determination that respondents had, under the

commingling theory, adequately alleged that funds

from Hungary’s general treasury were “present in the

United States in connection with” Hungary’s commercial activities here (issuing certain bonds and purchasing military equipment), and that MÁV “own[s]” a portion of those funds and likewise engages in commercial

activity here (maintaining an agency to book reservations, sell tickets, and the like), 28 U.S.C. 1605(a)(3).

See Pet. App. 118-120 (citing 443 F. Supp. 3d 88, 99116); id. at 152 n.22.

6

The district court also explained that, notwithstanding their previous suggestion that they were Hungarian

nationals, some respondents had sufficiently alleged

that they or their family members were not Hungarian

nationals at the time their property was allegedly taken,

and their claims thus could proceed notwithstanding

this Court’s decision in Philipp. See Pet. App. 151-179.

3. The court of appeals affirmed in part and reversed in part. Pet. App. 1-90.

a. As relevant here, the court of appeals reiterated

its endorsement of the commingling theory, rejecting

petitioners’ contention that respondents were required

to “produce evidence tracing property in the United

States or possessed by MÁV to property expropriated

from them during World War II.” Pet. App. 71 (citation

omitted); see id. at 71-75. The court explained that respondents “had no such burden” and that “[r]equiring

plaintiffs whose property was liquidated to allege and

prove that they have traced funds in the foreign state’s

or instrumentality’s possession to proceeds of the sale

of their property would render the FSIA’s expropriation exception a nullity for virtually all claims involving

liquidation” of property. Id. at 71-72. The court observed that “[g]iven the fungibility of money, once a foreign sovereign sells stolen property and mixes the proceeds with other funds in its possession, those proceeds

ordinarily become untraceable to any specific future

property or transaction.” Id. at 72.

The court of appeals concluded that “because the

sovereign defendant bears the burden of proving that

the plaintiff ’s allegations do not bring its case within a

statutory exception to immunity,” petitioners “must at

least affirmatively establish by a preponderance of the

evidence that their current resources do not trace back

7

to the property originally expropriated.” Pet. App. 74

(citations and internal quotation marks omitted). Nevertheless, because the district court had relied on respondents’ allegations rather than engage in its own

factfinding on this issue of jurisdictional fact, the court

of appeals remanded to the district court “to make the

necessary factual findings” about “whether property

[petitioners] received in exchange for [respondents’]

confiscated property is present in the United States in

connection with Hungary’s commercial activity there or

is possessed by MÁV.” Id. at 70-71.

With respect to whether respondents or their family

members were nationals of Hungary when the alleged

takings occurred, the court of appeals likewise understood petitioners’ challenge to involve “jurisdictional

facts.” Pet. App. 44 (citation omitted). But instead of

requiring factfinding (as it had done with the property

issue), the court applied “the plausible-pleading standard” used “for assessing factual allegations in a complaint” on a motion to dismiss for failure to state a claim.

Id. at 38-39; see id. at 42. The court rejected petitioners’ argument that applying that standard contravened

Bolivarian Republic of Venezuela v. Helmerich &

Payne International Drilling Co., 581 U.S. 170 (2017),

which held that to establish jurisdiction under the expropriation exception, “the relevant factual allegations

must make out a legally valid claim” that the exception

applies. Id. at 174. The court understood that language

to address only “the degree to which plaintiffs’ legal

theories must be correct on their merits,” not “ ‘the factual allegations a complaint must contain to survive a

motion to dismiss.’ ” Pet. App. 39 (citation omitted); see

id. at 67, 71. Applying the plausible-pleading standard,

the court found that some respondents had adequately

8

alleged a lack of Hungarian nationality at the time of

the takings. See id. at 42-53.

b. Judge Randolph concurred in part and dissented

in part. Pet. App. 85-90. In his view, none of the respondents had adequately preserved their argument

that they or their family members “were nationals of a

country other than Hungary when the takings occurred.” Id. at 89.

SUMMARY OF ARGUMENT

I. The FSIA’s text, context, history, and purposes

indicate that a foreign sovereign’s commingling of the

proceeds from the sale of expropriated property with its

general treasury funds does not transform all of those

funds into property “exchanged for” the expropriated

property within the meaning of 28 U.S.C. 1605(a)(3).

A. The ordinary meaning of the verb “exchange” is

to give or transfer one thing and receive something else

in return. Statutory context indicates that “exchanged

for” in Section 1605(a)(3) should be read broadly enough

to encompass a sale—and not just a barter or trade—as

well as to encompass a series of transactions, and not

just a single exchange. But specific property cannot be

said to have been “exchanged for” expropriated property through such a series of transactions unless it can

actually be traced back through that chain of transactions to the expropriated property. Such tracing obviously would be required when the exchanges involve

tangible things like artwork or jewelry; there is no textual basis for applying a different rule when the exchanges involve fungible property like money. When

expropriated property is sold and the proceeds are deposited and commingled with funds in the sovereign’s

general treasury, there may be no set of funds in the

treasury that could be identified as funds that were spe-

9

cifically exchanged for the proceeds. And the difficulty

in tracing specific funds back to the expropriated property only becomes more pronounced over time as additional funds are deposited in and withdrawn from the

treasury. And even if some portion of general treasury

funds could be viewed as having been “exchanged for”

the expropriated property, there is no plausible textual

basis for deeming all of those funds to have been “exchanged for” the expropriated property—yet that is

what the commingling theory holds.

B. The FSIA’s history and purposes reinforce that

plain textual reading. This Court has recognized that

the FSIA largely codifies the so-called “restrictive” theory of sovereign immunity adopted by the Executive

Branch in 1952, and that the expropriation exception—

which no other country has adopted—goes beyond that

theory for the limited purpose of allowing courts to adjudicate takings claims of the sort at issue in Banco

Nacional de Cuba v. Sabbatino, 376 U.S. 398 (1964).

But the claim in Sabbatino involved specifically identifiable proceeds from the sale of expropriated property

that had been segregated in a New York escrow account. Reading the expropriation exception to encompass claims that do not seek to recover from such traceable property would go far beyond the claim in Sabbatino and the restrictive theory of sovereign immunity. Doing so would undermine the exception’s conformity with customary international law, would risk offending the dignity of foreign states, and would invite reciprocal actions against the United States in foreign courts.

C. The court of appeals largely rested its contrary

holding on its policy concern that without the commingling theory, a sovereign that liquidated expropriated

property and did not segregate the proceeds could es-

10

cape liability under the expropriation exception. But

the court failed to appreciate that applying the commingling theory would mean that virtually every claim alleging liquidation would satisfy the expropriation exception, contrary to the FSIA’s purposes and the limited and unique nature of the expropriation exception.

Although it will be difficult for some plaintiffs to trace

their expropriated property to the defendant’s current

property, tracing is not impossible; indeed, courts apply

tracing rules in various areas of the law.

II. In Bolivarian Republic of Venezuela v. Helmerich

& Payne International Drilling Co., 581 U.S. 170

(2017), this Court made clear that when a foreign state

defendant challenges the factual basis for a claimed

exception to sovereign immunity, the court should resolve the factual dispute “as near to the outset of the

case as is reasonably possible” rather than simply accept the plaintiff ’s well-pleaded allegations. Id. at 174.

Although the court of appeals remanded for resolution

of the factual disputes concerning the commingling theory, the court incorrectly accepted respondents’ factual

allegations underlying their contention that the survivors were nationals of Hungary at the time of the takings, even though petitioners challenged those facts as

well. That contravened Helmerich’s plain directive.

III. The FSIA’s text makes clear that sovereign immunity is jurisdictional, and the burden of establishing

subject-matter jurisdiction always rests with the party

asserting jurisdiction. It follows that when a plaintiff

suing a foreign state invokes one of the FSIA’s exceptions to sovereign immunity, the plaintiff bears the ultimate burden of proving that the exception applies. The

court of appeals’ contrary holding that the sovereign defendant bears the burden to disprove the exception’s

11

applicability apparently rests on legislative history describing sovereign immunity as an affirmative defense

under the FSIA. But legislative history cannot override

the explicit text of the statute.

ARGUMENT

I. THE DEPOSIT OF PROCEEDS FROM THE SALE OF

EXPROPRIATED PROPERTY IN A SOVEREIGN’S GENERAL TREASURY DOES NOT ESTABLISH THAT ALL

GENERAL TREASURY FUNDS WERE “EXCHANGED

FOR” THE EXPROPRIATED PROPERTY

If a foreign sovereign deposits proceeds from the

sale of expropriated property in its general treasury,

where they are commingled with other funds, that does

not mean that all of the treasury funds should be

deemed to have been “exchanged for” the expropriated

property within the meaning of 28 U.S.C. 1605(a)(3).

Instead, the text, context, history, and purposes of the

FSIA establish that only those funds that are traceable

to, and thus the identifiable proceeds of, the sale of expropriated property are properly viewed as having been

“exchanged for” the expropriated property. The court

of appeals erred in holding otherwise.

A. The Commingling Theory Is Inconsistent With The

FSIA’s Text And Context

The most natural reading of the FSIA’s text precludes treating the entirety of a foreign state’s general

treasury as having been “exchanged for [the expropriated] property” simply because proceeds from the sale

of the expropriated property were deposited in the

state’s general treasury and became commingled with

the funds there. 28 U.S.C. 1605(a)(3). “It is a ‘fundamental canon of statutory construction’ that, ‘unless

otherwise defined, words will be interpreted as taking

12

their ordinary, contemporary, common meaning.’ ”

Sandifer v. United States Steel Corp., 571 U.S. 220, 227

(2014) (citation omitted). That principle applies to interpreting the FSIA, where this Court generally has

adopted “the most natural” reading of the statutory

text, in light of its “ordinary meaning.” Republic of Sudan v. Harrison, 587 U.S. 1, 8, 15 (2019).

The critical phrase in Section 1605(a)(3) is “exchanged for.” In this context, the natural, ordinary, and

contemporaneous meaning of the verb “exchange” is “to

give and receive in a reciprocal manner”; “to relinquish

(one thing for another)”; or “to provide or transfer

(goods or services, for example) in return for something

of equal value.” The American Heritage Dictionary

457 (1975) (American Heritage) (capitalization omitted); see Black’s Law Dictionary 505 (5th ed. 1979)

(Black’s) (“To barter; to swap. To part with, give or

transfer for an equivalent.”); see also 5 The Oxford English Dictionary 502 (2d ed. 1989) (OED) (“To change

away; to dispose of (commodities, possessions, etc.) by

exchange or barter; to give, relinquish, or lose (something) whilst receiving something else in return.”) (noting consistent usage since 1484); Webster’s New International Dictionary 889 (2d ed. 1934) (Webster’s Second) (“To part with, give, or transfer to another in consideration of something received as an equivalent.”).

Those definitions could be read to suggest that the

term “exchange” refers only to a trade of one property

for another—not to a sale of that property. Cf. Black’s

505 (“To barter; to swap.”); OED 502 (“by exchange or

barter”). Indeed, in many other contexts, an “exchange” is contradistinguished from a “sale.” E.g.,

Preston v. Keene, 39 U.S. 133, 136 (1840) (describing a

state law defining “exchange” to mean to “give to one

13

another one thing for another, whatever it be, except

money; for in that case, it would be a sale”) (citation

omitted); see Black’s 505 (citing multiple cases defining

“exchange” to mean a transaction for consideration

“other than money”); cf. Helvering v. William Flaccus

Oak Leather Co., 313 U.S. 247, 249 (1941) (analyzing

“sale” and “exchange” separately under a tax provision). If that strict definition applied here, it would

mean that if a foreign state ever sold the allegedly expropriated property, the “property” element of the expropriation exception could never be satisfied. As explained below, however, the context and history of the

FSIA indicate that Congress was not using the word

“exchanged” in Section 1605(a)(3) in so strict a manner.

See pp. 21-22, infra. Accordingly, if a foreign state sells

expropriated property, the specific proceeds qualify as

“property exchanged for [the expropriated] property”

under 28 U.S.C. 1605(a)(3).

Similarly, one could view “exchanged for” as referring only to the initial trade of property, not to subsequent trades. That is, if a person trades A for B and

later trades B for C, one might say that C was “exchanged for” B but that C was not “exchanged for” A.

Again, though, context weighs against that reading; this

Court generally avoids reading statutes in a way that

would permit easy circumvention. See Abramski v.

United States, 573 U.S. 169, 185 (2014). Just as a statute addressing the sale of firearms to particular individuals is best read to encompass such sales when accomplished in two steps (using a straw purchaser) rather

than one, see id. at 179-185, the last piece of property

obtained after a chain of transactions may reasonably

be viewed as having been “exchanged for” the first

property in that chain under 28 U.S.C. 1605(a)(3), as

14

long as the properties exchanged in each transaction remain identifiably distinct.

Even that plaintiff-friendly interpretation of “exchanged for,” however, necessarily requires tracing the

property involved in a series of transactions. In the example above, one might say that C was exchanged for A

even though the exchange took two steps. But no

speaker of English would say that other property held

by C’s owner—say, D—was “exchanged for” A. And

that would remain true even if D were equivalent in

value to C—indeed, even if D were identical to C and

they were stored together. By hypothesis, D would

have been obtained through some independent means

and thus would have no relevant connection to A. In

those circumstances, no reasonable interpretation of

“exchanged for” would permit saying that D was “exchanged for” A simply because D is held as part of the

owner’s overall pool of assets.

That straightforward tracing principle thus flows

from the most natural reading of Section 1605(a)(3) in

context, and would seem to be both obvious and uncontroversial when dealing with identifiable property, such

as artwork or jewelry: If a necklace is expropriated and

traded for a ring, which is later traded for a bracelet,

that bracelet has been “exchanged for” the necklace

within the meaning of Section 1605(a)(3)—but a different bracelet in the owner’s collection has not. There is

no reason the same principles should not apply when

dealing with fungible property like money; certainly,

nothing in the FSIA suggests that the two should be

treated differently. If an object is sold and the proceeds

deposited in their own segregated account, the funds in

that account obviously have been “exchanged for” the

object. If the proceeds are instead deposited in a gen-

15

eral account and commingled with other funds there,

the proceeds (like other deposits) generally have lost

their distinct identity. The difficulty in tracing any particular funds in the account back to the expropriated

property would only become increasingly pronounced

over time as additional funds are deposited and withdrawn over the years. And even if some portion of the

funds in the account might still be regarded as having

been “exchanged for” the object despite the commingling, the other funds in the account cannot be said to

have been “exchanged for” the object, any more than D

can said to have been “exchanged for” A in the example

above.

Yet the commingling theory would allow just that: it

would hold that all funds that are (or ever were) in a

commingled account may be treated as having been “exchanged for” the expropriated property—including

funds that have no relationship to that property other

than that they are (or once were) in the same general

account into which proceeds from the sale of the property were once deposited. That stretches the term

“property exchanged for [the expropriated] property”

far beyond any reasonable reading. 28 U.S.C. 1605(a)(3).

Indeed, many common definitions of “exchange” emphasize that the “something” being obtained in the

trade is usually “of equal value.” American Heritage

457; see Black’s 505 (“equivalent”); Webster’s Second

889 (“equivalent”). The commingling theory, however,

would taint all commingled funds, even if they were orders of magnitude larger than the proceeds from the

sale of the expropriated property.

Other contextual indications reinforce that straightforward and natural reading of “exchanged for” in Section 1605(a)(3). For example, the expropriation excep-

16

tion requires that the identified property of the foreign

state (either the expropriated property or property exchanged for it) be present in the United States “in connection with” the foreign state’s commercial activity

here. 28 U.S.C. 1605(a)(3). But almost by definition,

the “commercial activity” (ibid.) of a foreign state is

bound to use or generate money that will be present in

the United States, and those expenses or revenues almost certainly will ultimately be drawn from or deposited into the foreign state’s treasury. As a result, if the

entirety of a foreign state’s treasury into which the proceeds of an exchange for expropriated property were

once deposited were deemed to satisfy the “property”

requirement in Section 1605(a)(3)—as necessarily

would be the case under the commingling theory—the

“in connection with” requirement would be rendered effectively superfluous. The same would be true of the

requirement that an agency or instrumentality “own[]

or operate[]” the relevant property, ibid., at least when

(as is likely often the case) the agency or instrumentality has ever received funds from, or deposited revenues

into, the state’s treasury. The Court should avoid an

interpretation of “exchanged for” that would have the

effect of rendering those other statutory provisions effectively superfluous. See Dole Food Co. v. Patrickson,

538 U.S. 468, 476-477 (2003) (explaining that absent

some contrary indication in the statute, courts should

“not construe the [FSIA] in a manner that is strained

and, at the same time, would render a statutory term

superfluous”).

B. The Commingling Theory Is Inconsistent With The

FSIA’s History And Purposes

The FSIA’s enactment history confirms what its text

indicates: the entirety of a foreign state’s general treas-

17

ury cannot be deemed to have been “exchanged for” allegedly expropriated property simply because proceeds

from the sale of that property were once deposited in

the general treasury and commingled with the funds

there.

1. For much of the Nation’s history, the United

States adhered to the “classical” or “absolute” theory of

foreign sovereign immunity, under which foreign states

were not subject to civil suit without their consent. See,

e.g., Verlinden B.V. v. Central Bank of Nigeria, 461

U.S. 480, 486 (1983). Accordingly, “foreign states were

‘generally granted complete immunity from suit’ in

United States courts, and the Judicial Branch deferred

to the decisions of the Executive Branch on such questions.” Argentine Republic v. Amerada Hess Shipping

Corp., 488 U.S. 428, 434 n.1 (1989) (citation and ellipsis

omitted); see Verlinden, 461 U.S. at 486 (explaining that

because “foreign sovereign immunity is a matter of

grace and comity on the part of the United States, * * *

this Court consistently has deferred to the decisions of

the political branches—in particular, those of the Executive Branch—on whether to take jurisdiction”).

Providing foreign states with immunity from civil

suit serves important national interests: It preserves

the dignity of foreign sovereigns, avoids damaging potentially sensitive international relations, and promotes

comity between nations. See, e.g., Bolivarian Republic

of Venezuela v. Helmerich & Payne International Drilling Co., 581 U.S. 170, 179 (2017) (“To grant [foreign]

sovereign entities an immunity from suit in our courts

both recognizes the absolute independence of every sovereign authority and helps to induce each nation state,

as a matter of international comity, to respect the independence and dignity of every other, including our

18

own.”) (brackets, citations, and internal quotation

marks omitted); National City Bank v. Republic of

China, 348 U.S. 356, 362 (1955) (sovereign immunity derives from concerns that include “respect for the ‘power

and dignity’ of the foreign sovereign”) (citation omitted).

In addition, sovereign immunity serves the “reciprocal self-interest” of the United States. National City

Bank, 348 U.S. at 362. The United States engages in

extensive activities in support of its worldwide diplomatic,

security, and law-enforcement missions, and it is not infrequently sued in foreign courts. See Department of

Justice, Office of Foreign Litigation, www.justice.gov/

civil/office-foreign-litigation (“At any given time, foreign lawyers under OFL’s direct supervision represent

the United States in approximately 1,800 lawsuits pending in the courts of over 100 countries.”). Because

“some foreign states base their sovereign immunity decisions on reciprocity,” Persinger v. Islamic Republic of

Iran, 729 F.2d 835, 841 (D.C. Cir.), cert. denied, 469

U.S. 881 (1984), protecting foreign states from civil suits

in U.S. courts can help to avoid embroiling the United

States in expensive and difficult litigation abroad. Cf.

Boos v. Barry, 485 U.S. 312, 323 (1988) (highlighting importance of “concept of reciprocity” in international law

and diplomacy and explaining that respecting diplomatic immunity of foreign states “ensures that similar

protections will be accorded” to the United States).

In 1952, the Department of State adopted what is

called the “restrictive” theory of foreign sovereign immunity, under which a foreign state generally is immune from civil suit for sovereign or public acts but not

for its commercial acts. See Verlinden, 461 U.S. at 486487; see also Alfred Dunhill of London, Inc. v. Republic

of Cuba, 425 U.S. 682, 711-715 (1976) (reproducing 1952

19

State Department letter). The Department observed

that an emerging consensus had developed among nations in favor of the restrictive rather than absolute theory of sovereign immunity. Alfred Dunhill, 425 U.S. at

714. The Department further observed that the United

States had long declined to claim immunity for its merchant vessels abroad, and that “the widespread and increasing practice on the part of governments of engaging in commercial activities makes necessary a practice

which will enable persons doing business with them to

have their rights determined in the courts.” Ibid. (citation omitted). The Department thus announced a “policy to follow the restrictive theory of sovereign immunity in the consideration of requests of foreign governments for a grant of sovereign immunity.” Ibid. (citation omitted).

Just as before adoption of the restrictive theory, “initial responsibility for deciding questions of sovereign

immunity fell primarily upon the Executive acting

through the State Department, and the courts abided

by ‘suggestions of immunity’ from the State Department.” Verlinden, 461 U.S. at 487. But because “foreign nations often placed diplomatic pressure on the

State Department in seeking immunity,” Congress

eventually enacted the FSIA, in part “to free the Government from the case-by-case diplomatic pressures.”

Id. at 487-488. “For the most part, the [FSIA] codifies,

as a matter of federal law, the restrictive theory of sovereign immunity.” Id. at 488.

2. One exception to that wholesale codification of the

restrictive theory as previously applied by the Executive is the FSIA’s expropriation exception. Under the

restrictive theory, a foreign state’s expropriation of

property is deemed to be a public act, not a commercial

20

act, and the foreign state would thus be immune from

civil suits for such expropriations. See, e.g., Victory

Transport Inc. v. Comisaria General de Abastecimientos y Transportes, 336 F.2d 354, 360 (2d Cir. 1964) (explaining that under the restrictive theory, “legislative

acts, such as nationalization,” are public acts), cert. denied, 381 U.S. 934 (1965). Accordingly, “the expropriation exception, because it permits the exercise of jurisdiction over some public acts of expropriation, goes beyond even the restrictive view” of foreign sovereign immunity. Federal Republic of Germany v. Philipp, 592

U.S. 169, 183 (2021). “In this way, the exception is

unique; no other country has adopted a comparable limitation on sovereign immunity.” Ibid.

In interpreting the scope of the expropriation exception’s departure from the restrictive view, courts should

be informed by the exception’s origins and history,

which are rooted in Cuba’s nationalization of certain

American property interests in 1960. See Banco

Nacional de Cuba v. Sabbatino, 376 U.S. 398, 401-406

(1964). Asked to review the validity of that expropriation under international law, this Court in Sabbatino

held that the act of state doctrine—which prevents

courts in the United States from determining the validity of the public acts of a foreign sovereign within its

own territory—required the Court to “presume[ the]

validity” of Cuba’s expropriation. Id. at 438; see id. at

416-439.

Congress responded to Sabbatino by enacting the

Second Hickenlooper Amendment to the Foreign Assistance Act of 1964; that Amendment “prohibits United

States courts from applying the act of state doctrine

where a ‘right to property is asserted’ based upon a ‘taking by an act of that state in violation of the principles

21

of international law.’ ” Philipp, 592 U.S. at 179 (brackets, citation, and ellipsis omitted); see 22 U.S.C.

2370(e)(2). The Amendment was broadly understood

“to permit adjudication of claims the Sabbatino decision

had avoided.” Philipp, 592 U.S. at 179. “But nothing in

the Amendment purported to alter any rule of international law.” Ibid. Congress then “used language nearly

identical to that of the Second Hickenlooper Amendment 12 years later in crafting the FSIA’s expropriation

exception.” Ibid.; see 28 U.S.C. 1605(a)(3).

The expropriation exception is thus best understood

to extend as far as—but no farther than—the similarly

worded Second Hickenlooper Amendment. And more

generally, this Court has “reject[ed] the suggestion that

Congress intended the expropriation exception to operate as a ‘radical departure’ from the ‘basic principles’ of

the restrictive theory.” Philipp, 592 U.S. at 183 (citation omitted); see Helmerich, 581 U.S. at 181.

3. The commingling theory would go far beyond

what the Second Hickenlooper Amendment—and thus

the expropriation exception—was intended to permit,

and would mark a radical departure from the restrictive

theory. As noted, the Amendment was understood as a

narrow extension of the restrictive theory “to permit

adjudication of claims the Sabbatino decision had

avoided.” Philipp, 592 U.S. at 179.

The claim that was “avoided” in Sabbatino involved

Cuba’s expropriation of sugar owned by an Americanowned company, where the sugar had been resold by an

American broker and the proceeds ultimately deposited

in a New York escrow account. See 376 U.S. at 401-407.

Sabbatino thus involved a claim where specific proceeds

from the sale of the expropriated property indisputably

were present in the United States, clearly identified as

22

such, and segregated. That is why the expropriation exception’s reference to “property exchanged for [the expropriated] property,” 28 U.S.C. 1605(a)(3), is properly

read to encompass money for which the expropriated

property was sold. See p. 13, supra. Were it otherwise,

the expropriation exception would not “permit adjudication of claims the Sabbatino decision had avoided,”

Philipp, 592 U.S. at 179, contrary to the purposes of the

Second Hickenlooper Amendment.

At the same time, however, Sabbatino did not involve

an expropriation claim where the United States funds

establishing the connection to commercial activity were

simply funds that once had been in an overseas account

into which proceeds from the sale of the expropriated

sugar had been deposited. Accordingly, there is no basis to read the expropriation exception as extending

even further beyond the restrictive theory of sovereign

immunity to encompass such a claim, as the commingling theory would require. Cf. Badgerow v. Walters,

596 U.S. 1, 18 (2022) (“[I]t is one thing to make an exception, quite another to extend that exception everywhere.”).

Indeed, such a broad reading of the expropriation exception would undermine the exception’s conformity

with customary international law, especially given that

no other country has adopted an equivalent exception;

would risk offending the dignity of foreign states; and

would invite reciprocal actions against the United

States in foreign courts. See pp. 17-18, supra. None of

those consequences would be consistent with the purposes of the FSIA in general and the expropriation exception in particular.

23

C. The Court Of Appeals’ Contrary Reasoning Lacks Merit

The court of appeals appeared to accept the commingling theory largely to alleviate its policy concerns

about the tracing rule reflected in Section 1605(a)(3)’s

text. The court’s 2016 decision neither provided any rationale for accepting the theory nor attempted to grapple with the text, context, or history of the FSIA and

the expropriation exception. See 812 F.3d 127, 147. In

its most recent decision, the court reasoned that given

“the fungibility of money,” the commingling theory was

necessary because without it, a foreign sovereign could

“commingle the proceeds from illegally taken property

with general accounts” and thereby “insulate itself from

suit under the expropriation exception.” Pet. App. 72.

The court “decline[d] to ascribe to Congress an intent

to create a safe harbor for foreign sovereigns who

choose to commingle rather than segregate or separately

account for the proceeds from unlawful takings.” Ibid.

Such “a ‘parade of horribles’ argument generally

cannot ‘surmount the plain language of the statute.’ ”

Truck Insurance Exchange v. Kaiser Gypsum Co., 144

S. Ct. 1414, 1427 (2024) (citation omitted). And more

fundamentally, rejection of the commingling theory

does not create a “safe harbor” for foreign sovereigns;

they remain liable for their actions in whatever forums

or proceedings are otherwise available. Rather, rejection of the commingling theory simply honors the terms

and scope, in light of the unique nature and history, of

the limited expropriation exception to the general rule

of immunity of a foreign state for its actions abroad—a

rule followed in this context by every nation other than

the United States.

Indeed, while the court expressed concern that without the commingling theory, “virtually all claims involv-

24

ing liquidation” will fail to satisfy the expropriation exception, Pet. App. 72, the court failed to appreciate that

applying the commingling theory would have the opposite effect: “virtually all claims involving liquidation”

would satisfy that exception. See pp. 15-16, supra.

That scenario raises the troubling concerns described

above for foreign relations, conformity with customary

international law, and reciprocity. See pp. 17-18, supra;

see also Philipp, 592 U.S. at 183 (cautioning against a

reading that would “transform[] the expropriation exception into an all-purpose jurisdictional hook for adjudicating human rights violations”). Such dilemmas underscore why courts should simply “follow the text even

if doing so will supposedly ‘undercut a basic objective of

the statute.’ ” Baker Botts L.L.P. v. ASARCO LLC, 576

U.S. 121, 135 (2015) (citation omitted).

It might well be difficult for a plaintiff whose property was expropriated and liquidated decades ago to

trace it through a chain of transactions to specifically

identifiable property in the foreign state’s possession

today. But it is not necessarily impossible; “[t]here may

be circumstances where it is possible to trace the proceeds a sovereign received from expropriated property

to funds spent on property present in the United

States,” Rukoro v. Federal Republic of Germany, 976

F.3d 218, 225-226 (2d Cir. 2020), cert. denied, 141 S. Ct.

2724 (2021). And even if the tracing requirement means

that some claims cannot go forward, that is what Congress required in the FSIA. Nor is that an unusual requirement in the law; for example, a constructive trust

or equitable lien requires that the “money or property

identified as belonging in good conscience to the plaintiff c[an] clearly be traced to particular funds or property in the defendant’s possession.” Great-West Life &

25

Annuity Insurance Co. v. Knudson, 534 U.S. 204, 213

(2002); see Luis v. United States, 578 U.S. 5, 22 (2016)

(plurality opinion) (“Courts use tracing rules in cases

involving fraud, pension rights, bankruptcy, trusts, etc.”).

If this Court rejects the commingling theory, it

would still be open to plaintiffs in respondents’ position

to attempt to trace their allegedly expropriated property to property currently in the foreign state’s possession. Tracing rules developed in other contexts might

well be instructive in developing the applicable principles. Cf. Luis, 578 U.S. at 22 (plurality opinion) (referring to “tracing rules governing commingled accounts”

in the trust-law context). But any tracing rule in this

context would have to respect both the general rule of

immunity under the FSIA and the unique nature and

history of the limited expropriation exception. In any

event, this Court need not address those questions here.

Respondents appear to have disclaimed any ability to

trace the proceeds of the expropriated property at issue

here. Br. in Opp. 20. Because they have not attempted

to make that showing, and because the court of appeals

did not address what an appropriate tracing rule might

be, the Court should leave that issue to a future case in

which the question has been squarely addressed and

factually developed. Cf. Cutter v. Wilkinson, 544 U.S.

709, 718 n.7 (2005) (“[W]e are a court of review, not of

first view.”).

* * *

The United States deplores the acts of violence that

were committed against respondents and their family

members and supports efforts to provide them with a

remedy for the wrong they suffered. The policy of the

United States on claims for restitution or compensation

by Holocaust survivors and other victims of the Nazi era

26

has consistently been motivated by the twin concerns of

justice and urgency. No amount of money could provide

compensation for the suffering that the victims of Naziera atrocities endured. But the moral imperative has

been and continues to be to provide some measure of

justice to the victims of the Holocaust, and to do so in

their remaining lifetimes. The United States has advocated that concerned parties, foreign governments, and

nongovernmental organizations act to resolve matters

of Holocaust-era restitution and compensation through

dialogue, negotiation, and cooperation, thereby avoiding the prolonged uncertainty and delay that accompany litigation. Cf. American Insurance Association v.

Garamendi, 539 U.S. 396, 420-423 (2003). Respecting

the limits in the FSIA aids in the United States’ efforts

to persuade foreign nations to establish appropriate redress and compensation mechanisms for human-rights

violations, including the horrendous human-rights violations perpetrated during the Holocaust.

II. IN DETERMINING WHETHER A PLAINTIFF HAS A

VALID CLAIM THAT AN EXCEPTION TO SOVEREIGN

IMMUNITY APPLIES, THE COURT SHOULD RESOLVE

FACTUAL DISPUTES AT THE OUTSET OF THE CASE

In the second question presented in the petition for

a writ of certiorari, petitioners contend that the court of

appeals failed to enforce the pleading requirements set

forth in Helmerich, supra. There, this Court held that

when a plaintiff invokes the expropriation exception,

“the relevant factual allegations must make out a legally

valid claim that a certain kind of right is at issue (property rights) and that the relevant property was taken in

a certain way (in violation of international law).”

Helmerich, 581 U.S. at 174 (emphasis omitted). The

Court rejected the contention that “a party need only

27

make a ‘nonfrivolous’ argument that the case falls

within the scope of the exception.” Id. at 173. Petitioners contend (Br. 47) that Helmerich thus imposed a

“heightened standard” at the pleading stage and that

the court of appeals erred in applying a “plausiblepleading standard,” Pet. App. 39; see id. at 71.

Petitioners’ contention appears to rest on a view that

under the “plausible-pleading standard” (Pet. App. 39),

a court determines whether the alleged facts, taken as

true, would amount to a plausibly legally valid claim (instead of an actually legally valid claim). If that is what

the court of appeals meant, it would indeed contradict

Helmerich. But the court indicated (ibid.) that it was

applying the pleading standard applicable to a motion

to dismiss for failure to state a claim for relief under

Rule 12(b)(6) of the Federal Rules of Civil Procedure,

as described in cases like Bell Atlantic Corp. v.

Twombly, 550 U.S. 544 (2007), and Ashcroft v. Iqbal, 556

U.S. 662 (2009). Those cases “concern the factual allegations a complaint must contain to survive a motion to

dismiss,” Johnson v. City of Shelby, 574 U.S. 10, 12

(2014) (per curiam), not the validity of the plaintiff ’s legal theory. To survive a Rule 12(b)(6) motion, the plaintiff is still required to plead a “legally cognizable claim,”

5B Charles Alan Wright et al., Federal Practice and

Procedure § 1357 (4th ed. West 2024), no different from

Helmerich’s requirement to plead a “legally valid

claim,” 581 U.S. at 174. And because “the facts [we]re

not in dispute” in Helmerich as a result of the parties’

“stipulations,” there was no occasion for the Court to

address the standard for evaluating disputed factual allegations in a case involving the FSIA. Id. at 187.

That said, there is an important difference between

a motion to dismiss for failure to state a claim under

28

Rule 12(b)(6) and one for lack of subject-matter jurisdiction under Rule 12(b)(1). Courts addressing a Rule

12(b)(6) motion must “assume[] the truth of ‘wellpleaded factual allegations’ and ‘reasonable inferences’

therefrom,” National Rifle Association v. Vullo, 602

U.S. 175, 181 (2024) (brackets and citation omitted), but

“subject-matter jurisdiction can be called into question

either by challenging the sufficiency of the allegation or

by challenging the accuracy of the jurisdictional facts

alleged,” Gwaltney of Smithfield, Ltd. v. Chesapeake

Bay Foundation, Inc., 484 U.S. 49, 68 (1987) (Scalia, J.,

concurring in part and concurring in the judgment).

As Helmerich suggests, when a foreign state defendant makes the former type of challenge, a court may—

just as it would when addressing a motion to dismiss on

the merits—“tak[e] all of the plaintiffs’ well-pleaded allegations as true,” “constru[e] the complaint in the light

most favorable to the plaintiffs,” and then evaluate

whether those facts would “make out a legally valid

claim”—that is, whether an exception to sovereign immunity would apply—as a matter of law. 581 U.S. at

174-176; see FBI v. Fikre, 601 U.S. 234, 237 n.* (2024)

(similar, for other jurisdictional claims). The decision

below thus did not contravene Helmerich by stating

that where “ ‘the defendant challenges only the legal

sufficiency of the plaintiff ’s jurisdictional allegations,’ ”

“[t]he Rule 12(b)(1) standard in this context ‘is similar

to that of Rule 12(b)(6),’ ” Pet. App. 67 (citation omitted); see id. at 39.

Instead, the decision below contravened Helmerich

in a different way. Helmerich explained that “where jurisdictional questions turn upon further factual development, the trial judge may take evidence and resolve

relevant factual disputes,” and “should normally resolve

29

those factual disputes and reach a decision about immunity as near to the outset of the case as is reasonably

possible.” 581 U.S. at 174; see id. at 187. Making such

findings at the outset of litigation is particularly important in cases involving sovereign immunity, whose

“basic objective” is “to free a foreign sovereign from

suit,” not merely liability. Id. at 174; see Republic of

Austria v. Altmann, 541 U.S. 677, 696 (2004) (the “principal purpose of foreign sovereign immunity” is to “give

foreign states and their instrumentalities some present

‘protection from the inconvenience of suit as a gesture

of comity’ ”) (citation omitted). Deciding sovereign immunity questions at the outset is thus necessary to ensure that the foreign state actually receives the protections of immunity if no exception applies, to preserve

the dignity of the foreign state and comity between nations, and to safeguard the reciprocal interests of the

United States when it is sued in foreign courts. See pp.

17-18, supra.

Here, the court of appeals correctly recognized that

because petitioners challenged the factual basis underlying the expropriation exception, the district court

should have made “findings of fact germane to the expropriation exception’s property element.” Pet. App.

70. Yet when it came to addressing nationality, the

court of appeals asked only whether respondents had

“adequately alleged” that they or their family members

were not Hungarian nationals at the time of the takings,

rather than remanding for factfinding on that issue. Id.

at 53; see id. at 42-53. That was error. The issue of

nationality affects whether the alleged taking was “in

violation of international law,” 28 U.S.C. 1605(a)(3), and

thus whether the expropriation exception furnishes a

basis for jurisdiction. See Philipp, 592 U.S. at 187. The

30

court thus should have disposed of the factual dispute

over nationality in the same way it did the factual dispute over the property element: by requiring the district court to make findings of fact with respect to each

survivor’s nationality at the time of the alleged expropriations, instead of simply accepting respondents’

well-pleaded allegations.

III. UNDER THE FSIA, THE PLAINTIFF BEARS THE

BURDEN TO PROVE THAT AN EXCEPTION TO SOVEREIGN IMMUNITY APPLIES

In line with its precedent, the court of appeals held

that where a plaintiff suing a foreign state invokes one

of the FSIA’s exceptions to sovereign immunity, “the

sovereign defendant bears the burden of proving that

the plaintiff ’s allegations do not bring its case within a

statutory exception to immunity.” Pet. App. 68 (citation

and internal quotation marks omitted); see id. at 74; see

also, e.g., Belize Social Development Ltd. v. Government of Belize, 794 F.3d 99, 102 (D.C. Cir. 2015) (“[T]he

defendant state ‘bears the burden of proving that the

plaintiff ’s allegations do not bring its case within a statutory exception to immunity.’ ”) (emphasis added; citation omitted), cert. denied, 580 U.S. 1046 (2017);

Transamerican Steamship Corp. v. Somali Democratic

Republic, 767 F.2d 998, 1002 (D.C. Cir. 1985) (“[T]he

burden of proof in establishing the inapplicability of

these exceptions is upon the party claiming immunity.”). For example, the court held in this case that petitioners have the burden to show that the general

treasury funds used in connection with Hungary’s commercial activities or owned by MÁV do not trace back

to the expropriated property. Pet. App. 74.

That holding and the precedent on which it relied are

incorrect. “[T]he burden of establishing” that a federal

31

court has subject-matter jurisdiction always “rests

upon the party asserting jurisdiction.” Kokkonen v.

Guardian Life Insurance Co., 511 U.S. 375, 377 (1994);

see Hertz Corp. v. Friend, 559 U.S. 77, 96 (2010). And

“unless a specified exception [to immunity] applies, a

federal court lacks subject-matter jurisdiction over a

claim against a foreign state.” Saudi Arabia v. Nelson,

507 U.S. 349, 355 (1993); see 28 U.S.C. 1330(a) (granting

district courts subject-matter jurisdiction in civil actions against foreign states only for claims “with respect

to which the foreign state is not entitled to immunity”).

It follows that the plaintiff, not the sovereign defendant,

bears the burden of establishing that an exception to

sovereign immunity applies to her claim.*

The court of appeals appears to have derived its contrary view from a statement in the FSIA’s legislative

history describing sovereign immunity as an “affirmative defense which must be specially pleaded” and stating that “the burden will remain on the foreign state to

produce evidence in support of its claim of immunity.”

H.R. Rep. No. 1487, 94th Cong., 2d Sess. 17 (1976)

(House Report); see Transamerican, 767 F.2d at 1002

(relying on the House Report). But “legislative history

is not the law,” Azar v. Allina Health Services, 587 U.S.

566, 579 (2019) (citation omitted), and the House Report’s description of sovereign immunity as an affirmative defense cannot be reconciled with the “explicit statutory language” in the FSIA that makes the existence

of sovereign immunity a bar to subject-matter jurisdic* Petitioners argue that the plaintiff bears the burden of production, but seem willing to accept that the foreign sovereign bears the

ultimate burden of proof. Pet. Br. 43-44. In the government’s view,

both burdens properly rest with the plaintiff invoking federal jurisdiction.

32

tion, Helmerich, 581 U.S. at 177. Indeed, this Court

long ago repudiated the House Report’s description of

sovereign immunity as an affirmative defense, emphasizing that because “subject-matter jurisdiction turns

on the existence of an exception to foreign sovereign immunity, * * * even if the foreign state does not enter

an appearance to assert an immunity defense, a district

court still must determine that immunity is unavailable

under the [FSIA].” Verlinden, 461 U.S. at 493 n.20 (citation omitted). The court of appeals’ holding that the

sovereign defendant bears the burden of disproving

subject-matter jurisdiction thus cannot be squared with

the plain text of the FSIA or with this Court’s precedents on subject-matter jurisdiction in general or on the

FSIA and sovereign immunity in particular.

Contrary to respondents’ suggestion at the certiorari stage (Br. in Opp. 25), the question of who bears the

ultimate burden to prove (or disprove) the applicability

of an exception to sovereign immunity is important irrespective of whether the commingling theory is accepted. Even if this Court were to accept that theory,

correcting the court of appeals’ error as to the burden

of proof would at least require respondents to demonstrate that their expropriated property was in fact liquidated for cash that was commingled with funds now

present in the United States in connection with Hungary’s commercial activities or owned by MÁV. Conversely, if this Court were to reject the commingling

theory but not address the burden of proof, the court of

appeals might still require petitioners to “affirmatively

establish by a preponderance of the evidence that their

current resources do not trace back to the property

originally expropriated,” Pet. App. 74—a burden that

could be effectively impossible, depending on how the

33

court of appeals applied it. In addition, the district

court noted a “dearth of facts” regarding the nationality

of some survivors, id. at 173, suggesting that the burden

of proof might be dispositive on that issue as well.

More generally, the court of appeals’ rule that foreign sovereign defendants bear the burden to disprove

subject-matter jurisdiction has the potential to upset

foreign relations and the United States’ own reciprocal

interests by too permissively abrogating foreign sovereign immunity. See pp. 17-18, supra. And given that

venue for civil actions against foreign states always lies

in the District of Columbia, see 28 U.S.C. 1391(f )(4), it

is especially important to correct the court’s egregiously wrong interpretation of the FSIA.

CONCLUSION

The judgment of the court of appeals should be

reversed.

Respectfully submitted.

RICHARD C. VISEK

Principal Deputy Legal

Adviser

Department of State

BRIAN H. FLETCHER

Acting Solicitor General *

BRIAN M. BOYNTON

Principal Deputy Assistant

Attorney General

EDWIN S. KNEEDLER

Deputy Solicitor General

SOPAN JOSHI

Assistant to the Solicitor

General

SHARON SWINGLE

LEWIS S. YELIN

Attorneys

SEPTEMBER 2024

* The Solicitor General is recused in this case.

This is a copy of a public record, reproduced as it was published. It is not legal advice, and it may not be the version a court would rely on. Check the official source before you cite it.

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