Polsinelli Podcasts - FDA Denies Amgen Citizen Petition in Biosimilar Dispute
On June 2, 2025, the Patent Trial and Appeal Board (“Board”) issued decisions denying institution of Samsung Bioepis’s IPR2025-00176 and Formycon’s IPR2025-00233 against claims 1–12, 14–17, 19, 20, 22–36, 39–42, 44, 45, and...more
Samsung Bioepis Co., Ltd. has secured marketing approval in Korea for XBRYK, its biosimilar to Amgen’s bone cancer drug XGEVA, used to prevent fractures in those with bone metastases from solid tumors or multiple myeloma and...more
On August 12, 2024, Amgen filed Case No. 1:24-cv-08417 (D.N.J.) against Samsung Bioepis, alleging SB16 (denosumab), its proposed Prolia® / Xgeva® (denosumab) biosimilar, would infringe 34 of Amgen’s patents....more
On August 12, 2024, Amgen filed a BPCIA complaint in the District Court for the District of New Jersey against Samsung Bioepis and Samsung Biologics related to Samsung Bioepis’s proposed biosimilar of Amgen’s PROLIA and...more
On January 10, 2024, Regeneron Pharmaceuticals, Inc. (“Regeneron”) filed a Complaint in the U.S. District Court for the Central District of California against Amgen Inc. (“Amgen”) alleging infringement of 32 patents under the...more
On August 7, 2023, Formycon AG and Fresenius Kabi announced that they have reached a settlement with Johnson & Johnson (“J&J”) in the United States relating to FYB202, a proposed ustekinumab biosimilar to STELARA®, marketed...more
Following last month’s dismissal of the Amgen v. Kashiv filgrastim biosimilar litigation, yesterday Amgen and Tanvex filed a joint stipulation of dismissal in their BPCIA litigation concerning Tanvex’s filgrastim biosimilar...more
Below are some recent updates regarding biosimilar pipelines from around the globe. On November 2, 2018, Sandoz announced that it has decided “not [to] pursue its submission for biosimilar rituximab in the US at this time...more