This past year contained a number of significant developments in litigation involving biologics and biosimilars. The following is a recap of the top three legal developments that we covered on the Big Molecule Watch last year. The Aflibercept BPCIA Litigations Start to Resolve As in 2023 and 2024, Regeneron’s multi-district…
On May 14, 2025, HyClone Laboratories, LLC (“HyClone”) filed a Motion to Quash in the U.S. District Court for the District of Utah, seeking to quash Amgen Inc.’s (“Amgen”) subpoena to HyClone issued in Amgen’s denosumab BPCIA case against Accord. Amgen’s subpoena to HyClone seeks information regarding the full formulations…
On March 26, 2025, the FDA approved Fresenius Kabi’s denosumab biosimilars, CONEXXENCE® (denosumab-bnht) and BOMYNTRA® (denosumab-bnht), referencing Amgen’s PROLIA® and XGEVA®, respectively. These approvals make Fresenius the fourth company to receive FDA approval for a pair of denosumab biosimilars, joining Celltrion, Samsung, and Sandoz. Denosumab is a RANK ligand (RANKL)…
On March 7, 2025, the District Court for the District of New Jersey entered a Stipulation and Order of Dismissal Without Prejudice in view of a settlement agreement between Amgen and Fresenius Kabi resolving the BPCIA litigation regarding Fresenius’s denosumab biosimilar, FKS518. The Order followed a stipulation by the parties…
On January 23, 2025, the District Court for the District of New Jersey entered a Consent Judgment and Injunction in view of a settlement agreement between Amgen and Celltrion resolving the BPCIA litigation regarding Celltrion’s denosumab biosimilar, CT-P41. Pursuant to the agreement, Celltrion will be enjoined from making, using, selling,…
As 2024 has come and passed, we saw another year of significant developments in litigation involving biologics and biosimilars. The following is a recap of the top four legal developments that we covered on the Big Molecule Watch last year. The Aflibercept BPCIA Litigations Continue Into 2025 As was the…
There are four pending BPCIA litigations brought by Amgen against biosimilar companies seeking to market denosumab biosimilars. Two of the four cases are pending in the District Court for the District of New Jersey before Judge O’Hearn: Amgen Inc. et al. v. Celltrion, Inc., No. 1:24-cv-06497-CPO-EAP (D.N.J.), filed on May…
On November 13, 2024, Amgen filed a BPCIA complaint in the District Court for the Eastern District of North Carolina against Accord Biopharma, Inc.; Accord Healthcare, Inc.; and Intas Pharmaceuticals, Ltd., related to Accord’s proposed biosimilar of Amgen’s PROLIA and XGEVA. This is the fifth BPCIA litigation regarding denosumab, following Amgen’s litigations…
On October 4, 2024, Amgen filed a BPCIA complaint in the District Court for the Northern District of Illinois Eastern Division against Fresenius Kabi related to Fresenius Kabi’s proposed biosimilar of Amgen’s PROLIA and XGEVA. This is the fourth BPCIA litigation regarding denosumab, following Amgen’s litigations against Sandoz, Celltrion, and…