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Corporate Counsel Patent Invalidity Patent Validity

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

Winstead PC

The Year in Review: 2024 Patent Litigation Verdicts

Winstead PC on

Sixty-seven patent infringement trials reached a jury verdict in 2024. Of these 67 patent infringement verdicts, thirty-one (approximately 46%) were a complete patent owner win on all patent infringement and validity issues. ...more

Mintz - Intellectual Property Viewpoints

CAFC’s Husky Decision Makes Sledding Tougher for Patent Owners in PTAB Appeals

The Federal Circuit recently determined that it lacked jurisdiction to review the Patent Trial and Appeal Board’s determination that assignor estoppel has no affect in an inter partes review (“IPR”). The majority’s decision...more

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