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”…