When does a revocation of power of attorney become effective?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-09 10 Rules 5 Related FAQs This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This is information only: it is not legal advice. A revocation of power of attorney becomes effective on the date it is received by the USPTO, not on the date it is accepted. As stated in MPEP 402.05 : 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). The Office will send an appropriate notification upon revocation. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Applicant Revocation of Powers of Attorney MPEP 402.05 Notification Required After Power of Attorney Revoked MPEP 402.05 Revocation Takes Effect on Receipt Not Acceptance MPEP 402.05 Refiling Power of Attorney When More Than Ten Practitioners Named MPEP 402 Recommended Powers of Attorney for Customer Number Practitioners MPEP 402 Permitted New Power of Attorney Required for Wrong Registration Number MPEP 402 Required Invalid Power of Attorney Affects Correspondence Address MPEP 402 Power of Attorney Must Be Forwarded to PTAB During Interference or Derivation Proceeding MPEP 402.05 Recommended Power of Attorney Can Serve as General Proxy MPEP 402.02(a) Permitted Attorney or Agent Representation Required for International Applications MPEP 402.09 Permitted Other Related FAQs 5 FAQs Collapse Can a power of attorney be revoked by telephone or email? What happens if there&#8217;s no practitioner of record when revoking a power of attorney? Can a power of attorney be revoked by fewer than all of the applicants? How does revocation of power of attorney affect pending applications? How does revocation of power of attorney affect pending amendments in a patent application?