Appellee, Amicus: Rehearing Needed To Pin Down Patent Witness Rules

( April 1, 2026, 2:14 PM EDT) -- WASHINGTON, D.C. — An amicus curiae public interest law firm argues in its March 31 brief that the Federal Circuit U.S. Court of Appeals should grant a petition for rehearing en banc by DePuy Synthes Sales Inc. and related DePuy entities, echoing DePuy’s claims that a split panel’s decision to reverse a Pennsylvania federal court’s exclusion of two expert witnesses’ testimony on induced infringement constitutes a departure from recent Federal Circuit en banc precedent....