En Banc Rehearing Request Turned Away By Federal Circuit

Mealey's (December 5, 2019, 12:13 PM EST) -- WASHINGTON, D.C. — In a Dec. 4 order, the full Federal Circuit U.S. Court of Appeals rejected an Enzo Life Sciences Inc. petition for en banc rehearing of an August holding that retroactive application of inter partes review to patents issued before the Leahy-Smith America Invents Act (AIA) is not unconstitutional (Enzo Life Sciences Inc. v. Becton, Dickinson & Company, et al., Nos. 2018-1232, -1233, Fed. Cir.)....