What are the four ways ex parte reexamination proceedings can be concluded?

According to MPEP 2294, ex parte reexamination proceedings can be concluded in four ways: Denial of reexamination, vacating the reexamination proceeding, or terminating the reexamination proceeding Issuance of a Reexamination Certificate under 37 CFR 1.570(b) Merging with a reissue proceeding and granting a reissue patent under 37 CFR 1.570(e) Merging with an inter partes reexamination…

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What is the effective date for intervening rights in patent reexamination?

The effective date for intervening rights in patent reexamination is crucial for determining when these rights begin to apply. Key points include: The effective date is the issue date of the reexamination certificate. Intervening rights do not apply retroactively to the original patent date. Actions taken after the reexamination certificate’s issue date may be subject…

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What is an “earlier concluded examination or review” in the context of patent reexamination?

An “earlier concluded examination or review” is a key concept in determining whether a substantial new question of patentability exists. The MPEP defines it as: The original examination of the application which matured into the patent The examination of the patent in a reissue application that has resulted in a reissue of the patent The…

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What are the key differences in ex parte reexamination ordered under 35 U.S.C. 257?

Ex parte reexamination ordered under 35 U.S.C. 257 has several key differences from standard ex parte reexamination: The patent owner cannot file a statement under 37 CFR 1.530. Reexamination can be conducted based on any item of information, not just patents and printed publications. Additional issues beyond those raised by patents and printed publications can…

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What is the difference between “a substantial new question of patentability” and a “prima facie case of unpatentability”?

The MPEP distinguishes between “a substantial new question of patentability” (SNQ) and a “prima facie case of unpatentability” in the context of patent reexamination. Specifically: “It is not necessary that a ‘prima facie’ case of unpatentability exist as to the claim in order for ‘a substantial new question of patentability’ to be present as to…

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How do court decisions impact the determination of a substantial new question of patentability?

Court decisions can impact the determination of a substantial new question of patentability (SNQ) or reasonable likelihood that the requester will prevail (RLP), but their influence varies depending on the nature of the decision. The MPEP outlines several scenarios: Final holding of validity: A final court decision that a patent claim is not invalid doesn’t…

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