Mealey's (April 1, 2019, 2:03 PM EDT) -- WASHINGTON, D.C. — A January ruling by the Federal Circuit U.S. Court of Appeals was withdrawn and reissued March 28 after the original panel granted rehearing to address an inter partes review (IPR) petitioner’s claim that its grounds for challenging a patent claim was overlooked (Polygroup Ltd. MCO v. Willis Electric Co., Nos. 2018-1745, -1746, -1747, Fed. Cir., 2019 U.S. App. LEXIS 9185)....