On July 23, 2019, Amgen sued Tanvex BioPharma USA, Inc. and two of its affiliates in the Southern District of California alleging infringement of U.S. Patent No. 9,856,287 under the BPCIA based on Tanvex’s submission of an aBLA for a biosimilar of NEUPOGEN (filgrastim). As relief, Amgen’s complaint requests, among…