Art Dykhuis

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Art Dykhuis focuses his practice on complex patent litigation. He counsels clients in various technology areas, including pharmaceuticals, medical devices, electronics, software and mechanical devices. He has experience in district court, at the USPTO before the PTAB, and before the Federal Circuit. Art handles all aspects of litigation, including pre-trial investigations, initiating litigation, discovery, taking and defending depositions, working with experts and trial. Read Art Dykhuis's full bio.

IPR on Written Description? Claims Found Unpatentable Based on Lack of Entitlement to Priority Date


By on Dec 9, 2021
Posted In Patents

The US Court of Appeals for the Federal Circuit affirmed a Patent Trial & Appeal Board (Board) ruling, based on a written description analysis, that certain claims were invalid as anticipated by an earlier priority application from the same family. Indivior UK Ltd. v. Dr. Reddy’s Labs. S.A., Case Nos. 20-2073, -2142 (Fed. Cir. Nov....

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