Polsinelli Podcasts - FDA Denies Amgen Citizen Petition in Biosimilar Dispute
On July 24, 2025, Acting Director of the USPTO, Coke Morgan Stewart, denied institution of inter partes review in IPR2025-00601 and IPR2025-00602, but referred the petition in IPR2025-00603 to the Board in Amgen Inc. v....more
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
There now is increased interest about the written description and enablement requirements for patent applications claiming antibodies. This may stem from the recent U.S. Supreme Court decision in Amgen v. Sanofi, finding lack...more
In light of the 2023 Supreme Court of the United States decision in Amgen Inc. v. Sanofi, the US Patent & Trademark Office (PTO) published guidelines for PTO employees to use, regardless of technology, to ascertain compliance...more
In Baxalta, Inc. v. Genentech, Inc., the Court of Appeals for the Federal Circuit upheld a summary judgment finding from the District of Delaware (Judge Timothy B. Dyk) that claims 1-4, 19 and 20 of Baxalta’s patent directed...more
On December 9, 2020, the Federal Circuit heard oral arguments on the validity of Amgen’s patents (U.S. Patent Nos. 8,829,165 and 8,859,741) on cholesterol-lowering drug Repatha. Specifically, the question came down to whether...more
It has been nearly 10 years since the U.S. Biosimilars Pathway (the Biologics Price Competition and Innovation Act) was enacted. The first biosimilar product in U.S. history was approved and launched in 2015. Ten biosimilars...more
Since 1999, the United States Patent and Trademark Office (“Patent Office”) has permitted the claiming of antibodies by disclosing the targeted antigen. In 2002, the Federal Circuit adopted Patent Office guidelines and...more
Last month, the USPTO issued a memorandum to its patent examining corps clarifying its guidance concerning the written description requirement for claims drawn to antibodies. In the memorandum, the USPTO adopts the Federal...more
Pre-AIA and Post-AIA Issues Presented by the On-Sale Bar - The “on-sale” bar to patentability refers to a sale or offer for sale of an invention that can invalidate the patent for that invention. The...more