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Intellectual Property Protection Patents Interference Claims

McDermott Will & Emery

Interference Analysis Is a Two-Way Street

On appeal from an interference proceeding, the US Court of Appeals for the Federal Circuit reversed a Patent Trial & Appeal Board decision that found the claims of the senior party’s patent were not invalid as time-barred...more

Jones Day

PTAB Doubles Down on Interference Estoppel Issue

Jones Day on

The Patent Trial and Appeal Board held all challenged claims of IGT’s patent unpatentable as obvious over two prior art patents. Zynga Inc. v. IGT, IPR2022-00199-32. In doing so, the PTAB further held that, contrary to...more

McDonnell Boehnen Hulbert & Berghoff LLP

PTAB Holds for Broad in CRISPR Interference: The Reasoning

Inventorship determinations have been called, in some of their incarnations, "one of the muddiest concepts in the muddy metaphysics of patent law."  Mueller Brass Co. v. Reading Indus., 352 F. Supp. 1357, 1372 (E.D. Pa....more

Wilson Sonsini Goodrich & Rosati

European Patent Office (EPO) Upholds Foundational CRISPR Patent Owned by UC, Univ. of Vienna, and Charpentier

On February 10, 2020, the European Patent Office Opposition Division announced the results of an opposition filed against patent EP2800811, owned by the Regents of University of California, University of Vienna, and Emanuelle...more

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