What happens to a power of attorney during an interference or derivation proceeding?

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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. During an interference or derivation proceeding, any changes to the power of attorney must be forwarded to a specific board for review. As stated in MPEP 402.05 : 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. This ensures that the appropriate authority handles changes in representation during these specialized proceedings. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Power of Attorney Must Be Forwarded to PTAB During Interference or Derivation Proceeding MPEP 402.05 Recommended Applicant Revocation of Powers of Attorney MPEP 402.05 Attorney or Agent Representation Required for International Applications MPEP 402.09 Permitted Notification Required After Power of Attorney Revoked MPEP 402.05 Patent Attorney or Agent Required for Design Patents MPEP 402 Permitted Attorney or Agent May Only Act as Design Patent Practitioner MPEP 402 Permitted 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 Attorney or Agent Must Be Registered to Practice Before USPTO MPEP 402 Required 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 powe...