What is the effect of appointing a new agent or common representative in a PCT application?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-27 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. Appointing a new agent or common representative in a PCT application generally has the following effects: Appointing a new agent automatically revokes any earlier appointment of an agent, unless otherwise indicated. Appointing a new common representative automatically revokes any earlier appointment of a common representative, unless otherwise indicated. This is specified in MPEP 1808 , which states: “The appointment of an agent for the international phase in general automatically has the effect, unless otherwise indicated, of revoking any earlier appointment of an agent. The appointment of a common representative similarly has the effect, unless otherwise indicated, of revoking any earlier appointment of a common representative.” It’s important to clearly indicate if you intend to maintain multiple agents or representatives when making new appointments. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse New Common Rep Revokes Old One MPEP 1808 Required New Agent Appointment Revokes Previous One MPEP 1808 Required Revocation of Agent or Common Representative Appointment MPEP 1808 Required Revocation of Earlier Appointment MPEP 1808 Notification Must Be Signed by Agent or Representative MPEP 1808 Permitted First Named Applicant as Common Representative MPEP 1808 Required Agent Appointment Must Be Signed by Applicant MPEP 1808 Required Revocation of Agent or Representative Appointment MPEP 1808 Permitted Agent Can Renounce Appointment by Signed Notice MPEP 1808 Permitted Applicant Informed of Agent's Renunciation MPEP 1808 Other Related FAQs 5 FAQs Collapse How does the appointment of a common representative affect existing appointments in a PCT application? Can a Cu...