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Corporate Counsel Patent Invalidity New Guidance

King & Spalding

USPTO Acting Director Stewart Limits Use of General Knowledge in IPR Petitions

King & Spalding on

On July 31, 2025, Acting USPTO Director Coke Morgan Stewart released a memo instructing the agency “that applicant admitted prior art (AAPA), expert testimony, common sense, and other evidence that is not ‘prior art...more

McCarter & English, LLP

New Patent Office Guidance Raises Bar for IPR Petitioners

The Patent Office recently announced that it will begin enforcing a rule that requires that inter partes review (IPR) petitions “specify where each element of the claim is found in the prior art patents or printed...more

Fish & Richardson

USPTO Limits Use of General Knowledge in IPR Proceedings

Fish & Richardson on

On July 31, the United States Patent and Trademark Office issued a memorandum (“Memo”) announcing that the Office will renew enforcement of 37 C.F.R. § 42.104(b)(4) (“Rule 104(b)(4)”) in inter partes review (IPR) proceedings....more

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