FORUM US, INC. v. FLOW VALVE, LLC

2018-1765.

926 F.3d 1346 (2019)

FORUM US, INC., a Delaware Corporation, Plaintiff-Appellee v. FLOW VALVE, LLC, an Oklahoma Limited Liability Company, Defendant-Appellant.

United States Court of Appeals, Federal Circuit.

Decided: June 17, 2019.


Attorney(s) appearing for the Case

Keith Jaasma , Ewing & Jones, PLLC, Houston, TX, argued for plaintiff-appellee. Also represented by Harvey D. Ellis, Jr. , David M. Sullivan , Crowe & Dunlevy, PC, Oklahoma City, OK.

Gary Peterson , Tomlinson McKinstry, PC, Oklahoma City, OK, argued for defendant-appellant. Also represented by Ross N. Chaffin , Kelly J. Kress , Robert D. Tomlinson.

Before Reyna, Schall, and Hughes, Circuit Judges.


Flow Valve, LLC appeals from the U.S. District Court for the Western District of Oklahoma's grant of summary judgment of invalidity of its reissue patent. The original patent does not disclose the invention claimed in the reissue patent. The reissue claims therefore do not comply with the original patent requirement of 35 U...

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