On September 8, 2026, Bristol-Myers Squibb Company, E. R. Squibb & Sons, L.L.C., (collectively, “BMS”) and Ono Pharmaceutical Co., Ltd. (“Ono”) filed a BPCIA complaint in the U.S. District Court for the District of Delaware against Amgen Inc. (“Amgen”), alleging that Amgen’s proposed nivolumab biosimilar, ABP 206, will infringe seven…
On February 28, Amgen, Inc. (“Amgen”) filed three petitions for inter partes review, challenging the validity of all claims in three patents assigned to Bristol-Myers Squibb Co. (“BMS”). The claims of all three patents are directed to methods of treating cancer with the combination of two checkpoint inhibitor immunotherapeutic antibodies,…
On December 3, 2024, Accord BioPharma, Inc. (“Accord”), the U.S. specialty division of Intas Pharmaceuticals, Ltd. (“Intas”), announced an agreement to acquire Coherus BioSciences, Inc.’s UDENYCA® (pegfilgrastim-cbqv) business. UDENYCA®, the only biosimilar to Amgen’s NEULASTA® in the United States, is administered the day after chemotherapy treatment to decrease the incidence…
We previously reported on Bristol-Myers Squibb’s (“BMS”) complaint alleging AstraZeneca’s PD-L1 antibody product, IMFINZI (durvalumab), infringed U.S. Patent No. 9,402,899 (“the ’899 patent”). BMS alleged that the ’899 patent covers “Nobel Prize winning methods of treating cancer” by using “an antibody to inhibit the interaction between PD-1 and PD-L1 to…
On April 25, 2023, Bristol-Myers Squibb (“BMS”) filed a complaint in the District of Delaware against AstraZeneca related to AstraZeneca’s anti-PD-L1 antibody product, IMFINZI (durvalumab), alleging willful infringement of U.S. Patent No. 9,402,899 (“the ’899 patent”). BMS alleges that the ’899 patent covers “Nobel Prize winning methods of treating cancer”…