On July 24, 2025, the PTO Acting Director Coke Morgan Stewart discretionarily denied Amgen’s IPR2025-00601 and IPR2025-00602 challenging Bristol-Myers Squibb’s (“BMS”) U.S. Patent Nos. 9,856,320 (“the ’320 patent”) and...more
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...more
The US Court of Appeals for the Federal Circuit dismissed an appeal of an inter partes review (IPR), finding that the challenger lacked appellate standing because it had terminated its attempts to develop the infringing...more
In Momenta Pharmaceuticals, Inc. v. Bristol-Myers Squibb Co., the Federal Circuit dismissed Momenta’s appeal from an adverse IPR decision for lack of standing after Momenta suspended its potentially infringing biosimilar...more
On February 7, 2019, in Momenta Pharmaceuticals, Inc. v. Bristol-Myers Squibb Company, the Federal Circuit dismissed an appeal brought by a petitioner in an inter partes review (IPR) for lack of standing and mootness because...more
The Federal Circuit has on several occasions taken the opportunity to address (and in doing so, flesh out) the requirements for Article III standing to appeal an adverse determination in a post-grant review proceeding...more
The Federal Circuit just issued a decision that confirms its stance on Article III standing for appeals from inter partes reviews (IPRs), making it tougher for unsuccessful IPR petitioners to obtain judicial review of U.S....more
There are presently seven biosimilar-related appeals pending before the Federal Circuit. Two of those appeals, Amgen v. Sandoz (Case No. 18-1551) and Amgen v. Coherus (Case No. 18-1993), are from district court judgments in...more