# 37 CFR § 41.10: Correspondence addresses

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-37-41.10

## Section

- **Citation:** 37 CFR § 41.10
- **Heading:** Correspondence addresses
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 37—Patents, Trademarks, and Copyrights > CHAPTER I—UNITED STATES PATENT AND TRADEMARK OFFICE, DEPARTMENT OF COMMERCE > SUBCHAPTER A—GENERAL > PART 41—PRACTICE BEFORE THE PATENT TRIAL AND APPEAL BOARD > Subpart A—General Provisions

## Text

Except as the Board may otherwise direct,
(a) Appeals. Correspondence in an application or a patent involved in an appeal (subparts B and C of this part) during the period beginning when an appeal docketing notice is issued and ending when a decision has been rendered by the Board, as well as any request for rehearing of a decision by the Board, shall be mailed to: Patent Trial and Appeal Board, United States Patent and Trademark Office, PO Box 1450, Alexandria, Virginia 22313-1450. Notices of appeal, appeal briefs, reply briefs, requests for oral hearing, as well as all other correspondence in an application or a patent involved in an appeal to the Board for which an address is not otherwise specified, should be addressed as set out in § 1.1(a)(1)(i) of this title.
(b) Interferences. Mailed correspondence in interference (subpart D of this part) shall be sent to Mail Stop INTERFERENCE, Patent Trial and Appeal Board, United States Patent and Trademark Office, PO Box 1450, Alexandria, Virginia 22313-1450.
(c) Trial Proceedings. Correspondence in trial proceedings (part 42 of this title) are governed by § 42.6(b) of this title.
[77 FR 46630, Aug. 6, 2012]

## Nearby sections

- [37 CFR § 41.1 § 41.1 Policy.](https://www.frixlaw.com/law-library/statutes/ecfr-37-41.1.md)
- [37 CFR § 41.2 § 41.2 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-37-41.2.md)
- [37 CFR § 41.3 § 41.3 Petitions.](https://www.frixlaw.com/law-library/statutes/ecfr-37-41.3.md)
- [37 CFR § 41.4 § 41.4 Timeliness.](https://www.frixlaw.com/law-library/statutes/ecfr-37-41.4.md)
- [37 CFR § 41.5 § 41.5 Counsel.](https://www.frixlaw.com/law-library/statutes/ecfr-37-41.5.md)
- [37 CFR § 41.6 § 41.6 Public availability of Board records.](https://www.frixlaw.com/law-library/statutes/ecfr-37-41.6.md)
- [37 CFR § 41.7 § 41.7 Management of the record.](https://www.frixlaw.com/law-library/statutes/ecfr-37-41.7.md)
- [37 CFR § 41.8 § 41.8 Mandatory notices.](https://www.frixlaw.com/law-library/statutes/ecfr-37-41.8.md)
- [37 CFR § 41.9 § 41.9 Action by owner.](https://www.frixlaw.com/law-library/statutes/ecfr-37-41.9.md)
- [37 CFR § 41.10 § 41.10 Correspondence addresses.](https://www.frixlaw.com/law-library/statutes/ecfr-37-41.10.md)
- [37 CFR § 41.11 § 41.11 Ex Parte communications in inter partes proceedings.](https://www.frixlaw.com/law-library/statutes/ecfr-37-41.11.md)
- [37 CFR § 41.12 § 41.12 Citation of authority.](https://www.frixlaw.com/law-library/statutes/ecfr-37-41.12.md)
- [37 CFR § 41.20 § 41.20 Fees.](https://www.frixlaw.com/law-library/statutes/ecfr-37-41.20.md)
- [37 CFR § 41.30 § 41.30 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-37-41.30.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-37-41.10. Check the current official text before relying on it. Not legal advice.