How are Office actions mailed in ex parte reexamination proceedings?

In ex parte reexamination proceedings, Office actions are mailed using structured forms that include identifying information for the reexamination file and the correspondence address for the patent owner. The MPEP states: “Ex parte reexamination forms are structured so that the identifying information for the reexamination file and the correspondence address for the patent owner, which…

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Where should ex parte reexamination requests be mailed?

Ex parte reexamination requests should be mailed to a specific address at the USPTO. According to MPEP 2226, mail related to ex parte reexamination should be marked as follows: “Mail Stop Ex Parte Reexam” This special marking ensures that the mail is directed to the appropriate office for initial processing. It’s important for patent attorneys…

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What are the rules for conducting interviews in ex parte reexamination proceedings?

Interviews in ex parte reexamination proceedings are subject to specific rules as outlined in MPEP 2281: Interviews must be conducted in the Office during designated hours. Only the patent owner and/or their representative can participate; third-party requesters are not permitted. Interviews for discussing patentability are not allowed before the first official action. Interviews should be…

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What happens when a patent in ex parte reexamination becomes involved in an interference?

When a patent undergoing ex parte reexamination becomes involved in an interference proceeding, the general policy of the USPTO is to continue both proceedings concurrently. As stated in the MPEP, “The general policy of the Office is that a reexamination proceeding will not be delayed, or stayed, because of an interference or the possibility of…

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How does ex parte reexamination affect intervening rights?

Ex parte reexamination can affect intervening rights in the following ways: If claims are amended or new claims are added during reexamination, intervening rights may apply to these changed or new claims. Intervening rights only apply to claims that are not substantially identical to the original claims. The effective date for intervening rights is the…

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