Mealey's (June 18, 2019, 1:46 PM EDT) -- WASHINGTON, D.C. — A federal judge in Oklahoma did not err in finding that because a reissue patent claims an invention not disclosed by the original patent, the reissue claims fail to comply with the original patent requirement of the Patent Act, the Federal Circuit U.S. Court of Appeals found June 17 (Forum US Inc. v. Flow Valve LLC, No. 18-1765, Fed. Cir., 2019 U.S. App. LEXIS 18055)....