# MPEP § 402.05: Revocation of Power of Attorney

> Federal · Agency guidance · In force

URL: https://www.frixlaw.com/law-library/statutes/MPEP_S402.05

## Section

- **Citation:** MPEP § 402.05
- **Heading:** Revocation of Power of Attorney
- **Jurisdiction:** Federal
- **Kind:** Agency guidance
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** USPTO MPEP / Chapter 0400 - Representative of Applicant or Owner / MPEP § 402.05

## Text

Revocation of a power of attorney becomes effective on the
date that the revocation is RECEIVED in the Office (not on the date of ACCEPTANCE). Upon
revocation of the power of attorney, appropriate notification is sent by the Office.
While an application is involved in an interference or derivation proceeding, any power
of attorney or revocation of power of attorney should be forwarded to the Patent Trial
and Appeal Board for consideration. See
MPEP § 402.08
.
See
MPEP § 402.05(a)
for applicant
revocation of powers of attorney in applications filed on or after September 16, 2012.
See
MPEP §
402.05(b)
for applicant revocation of powers of attorney in
applications filed before September 16, 2012. See
MPEP § 402.07
for assignee revocation
of a power of attorney.
All of the Office’s power of attorney forms include
revocation language on them and will revoke any existing power of attorney.

## Nearby sections

- [MPEP § 401 U.S. Patent and Trademark Office Cannot Aid in Selection of Patent Practitioner](https://www.frixlaw.com/law-library/statutes/MPEP_S401.md)
- [MPEP § 402 Power of Attorney; Naming Representative](https://www.frixlaw.com/law-library/statutes/MPEP_S402.md)
- [MPEP § 402.01 Limited Recognition in Patent Matters](https://www.frixlaw.com/law-library/statutes/MPEP_S402.01.md)
- [MPEP § 402.02 Appointment of Power of Attorney](https://www.frixlaw.com/law-library/statutes/MPEP_S402.02.md)
- [MPEP § 402.02(a) Appointment in Application Filed On or After September 16, 2012](https://www.frixlaw.com/law-library/statutes/MPEP_S402.02(a).md)
- [MPEP § 402.02(b) Appointment in Application Filed Before September 16, 2012](https://www.frixlaw.com/law-library/statutes/MPEP_S402.02(b).md)
- [MPEP § 402.03 Signature Requirements for Papers Filed in an Application](https://www.frixlaw.com/law-library/statutes/MPEP_S402.03.md)
- [MPEP § 402.04 Acting in a Representative Capacity](https://www.frixlaw.com/law-library/statutes/MPEP_S402.04.md)
- [MPEP § 402.05 Revocation of Power of Attorney](https://www.frixlaw.com/law-library/statutes/MPEP_S402.05.md)
- [MPEP § 402.05(a) Applicant Revocation - Application Filed On or After September 16, 2012](https://www.frixlaw.com/law-library/statutes/MPEP_S402.05(a).md)
- [MPEP § 402.05(b) Applicant Revocation - Application Filed Before September 16, 2012](https://www.frixlaw.com/law-library/statutes/MPEP_S402.05(b).md)
- [MPEP § 402.06 Attorney or Agent Withdraws](https://www.frixlaw.com/law-library/statutes/MPEP_S402.06.md)
- [MPEP § 402.07 Assignee Revocation of Power of Attorney of Applicant and Appointment of New Power of Attorney](https://www.frixlaw.com/law-library/statutes/MPEP_S402.07.md)
- [MPEP § 402.08 Application in Interference or Derivation Proceeding](https://www.frixlaw.com/law-library/statutes/MPEP_S402.08.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/MPEP_S402.05. Check the current official text before relying on it. Not legal advice.