What happens to rejected claims if a patent owner fails to respond to an Office action in inter partes reexamination?

When a patent owner fails to respond to an Office action in inter partes reexamination, the fate of rejected claims depends on whether any claims were found patentable. According to MPEP 2666.10: If no claims were found patentable, all claims under rejection will be canceled upon issuance of the reexamination certificate. If at least one…

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Where can I find information about canceling rejected claims after a patent appeal?

Information about canceling rejected claims after a patent appeal can be found in several sections of the Manual of Patent Examining Procedure (MPEP). As stated in MPEP § 1302.04(e): “See MPEP § 1214.06, § 1215.03, § 1215.04 and § 1216.01.” These sections provide detailed guidance on various scenarios related to claim cancellation following an appeal:…

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