Amgen has filed a BPCIA suit in the District of Delaware against Coherus Biosciences, Inc., alleging infringement of U.S. Patent No. 8,273,707—a patent “directed to a process for purifying proteins.” The complaint alleges that following FDA’s acceptance of Coherus’s abbreviated biologics application for a biosimilar version of Amgen’s Neulasta® (pegfilgrastim)…
