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QUEST INTEGRITY USA, LLC v. COKEBUSTERS USA INC.

2017-2423.

924 F.3d 1220 (2019)

QUEST INTEGRITY USA, LLC, Plaintiff-Appellant v. COKEBUSTERS USA INC., Defendant-Appellee.

United States Court of Appeals, Federal Circuit.

Decided: May 21, 2019.

Attorney(s) appearing for the Case

Michael A. Morin , Latham & Watkins LLP, Washington, DC, argued for plaintiff-appellant. Also represented by Gabriel Bell , Robert J. Gajarsa , Matthew J. Moore , Abigail A. Rives.

Thomas Martin Fulkerson , Fulkerson Lotz LLP, Houston, TX, argued for defendant-appellee. Also represented by Danielle J. Healey , Fish & Richardson, PC, Houston, TX.

Before Dyk, Taranto, and Hughes, Circuit Judges.

Quest Integrity USA, LLC ("Quest") appeals a judgment of the U.S. District Court for the District of Delaware in favor of Cokebusters USA Inc. ("Cokebusters"). On summary judgment, the district court held that claims 12, 24, 30, 33, and 40 of U.S. Patent No. 7,542,874 ("the '874 patent") were invalid under 35 U.S.C. § 102...

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