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The Precedent: Federal Circuit Affirms Unreviewability of PTO’s Threshold Decision to Not Apply Interference Estoppel in IGT v. Zygna Inc.
In this edition of The Precedent, we outline the decision in IGT v. Zygna Inc. This case affirms an obviousness finding by the Patent Trial and Appeal Board (“the Board”) in an inter partes review (IPR) proceeding filed after a prior interference proceeding was terminated….
By: Vorys, Sater, Seymour and Pease LLP