On June 17, 2025, Regeneron Pharmaceuticals, Inc. (“Regeneron”) filed another complaint against Amgen Inc. (“Amgen”) under the BPCIA, alleging that Amgen’s aflibercept biosimilar, PAVBLU®, infringes U.S. Patent No. 12,331,099 (“the ’099 patent”). The ’099 patent issued on the same day, with claims generally directed to a stable liquid ophthalmic formulation…