Can third parties participate in a supplemental examination proceeding?

No, third parties are prohibited from participating in supplemental examination proceedings. MPEP 2813 clearly states this prohibition based on statutory and regulatory requirements: “In accordance with 35 U.S.C. 257(a), any party other than the patent owner is prohibited from filing papers or otherwise participating in any manner in the supplemental examination proceeding. See 37 CFR…

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Can a patent owner rely on a third party’s paper for the detailed explanation in a supplemental examination request?

No, a patent owner cannot rely on a paper drafted by a third party, including a patent examiner, to provide the detailed explanation required in a supplemental examination request. The MPEP clearly states: “The detailed explanation must reflect the opinion of the patent owner, and not that of a third party (including a patent examiner).”…

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Can a patent owner file a supplemental response in an inter partes reexamination?

Yes, a patent owner can file a supplemental response in an inter partes reexamination, but it must meet specific requirements. According to MPEP 2666, “Pursuant to 37 CFR 1.945(b), any supplemental response to the Office action in an inter partes reexamination proceeding must be accompanied by a showing of sufficient cause why the supplemental response…

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What is supplemental examination and how does it relate to ex parte reexamination?

Supplemental examination is a proceeding introduced by the America Invents Act (AIA) that allows patent owners to request the USPTO to consider, reconsider, or correct information relevant to their patent. If a substantial new question of patentability is raised, an ex parte reexamination will be ordered. The MPEP explains: “Section 12 of the AIA added…

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