What are the service requirements for a third party requester’s reply in ex parte reexamination?

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Source: FAQ (MPEP-Based) BlueIron Update: 2024-09-30 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. In ex parte reexamination, the third party requester must serve a copy of their reply on the patent owner. MPEP 2251 states: “Any reply by the ex parte requester must be served upon the patent owner in accordance with § 1.248.” Additionally, the MPEP directs readers to MPEP § 2266.03 for further details on service requirements: “See MPEP § 2266.03 for further discussion as to the third party requester providing service on the patent owner.” This service requirement ensures that the patent owner is informed of the requester’s reply and can respond appropriately in the reexamination proceeding. Related Rules from the Manual of Patent Examining Procedure 10 rules Collapse Third Party Requester Must Serve Reply on Patent Owner MPEP 2251 Required Reply by Ex Parte Requester Must Be Served on Patent Owner MPEP 2251 Required Third Party Requester Must Not File Statement MPEP 2251 Permitted Patent Owner May Not File for Third Party in Ex Parte Reexamination MPEP 2266 Prohibited Third Party Requester Must Reply Within 2 Months MPEP 2251 Reply by Third Party Requester in Ex Parte Reexamination Allowed MPEP 2251 Patent Owner Must Serve Response to Third Party MPEP 2266 Required Ex Parte Requester Must File Reply Within Two Months MPEP 2251 Permitted Reply by Third Party Requester Not Acceptable After Response MPEP 2251 Permitted Extension Request for Third Party Ex Parte Reexamination MPEP 2266 Other Related FAQs 5 FAQs Collapse What is the time limit for a third party requester to reply in an ex parte reexamination? Are third party requesters allowed to file additional papers after their reply in ex parte reexamination? What can a third party requester include in their reply during ex parte reexaminat...