Polsinelli Podcasts - FDA Denies Amgen Citizen Petition in Biosimilar Dispute
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...more
Biosimilar Litigations include litigations relating to biosimilar/follow-on products of CDER-listed reference products. Litigations between biosimilar applicants/manufacturers and reference product sponsors as well as...more
On March 14, 2025, the U.S. Court of Appeals for the Federal Circuit affirmed the District Court for the Northern District of West Virginia’s denial of a preliminary injunction against Amgen Inc. (“Amgen”) in the ongoing...more
On March 5, 2025, the U.S. Court of Appeals for the Federal Circuit affirmed the District Court for the Northern District of West Virginia’s entry of a preliminary injunction preventing Celltrion, Inc. (“Celltrion”) from...more
Welcome to our quarterly update relating to biologics and biosimilars, including post-grant and patent litigation challenges to blockbuster biologics. Since the enactment of the Biologics Price Competition and Innovation Act...more
Note: This post addresses two Federal Circuit decisions issued on January 29, 2025. Both appeals involved Plaintiff-Appellee Regeneron Pharmaceuticals, Inc., with the first appeal involving Defendant-Appellant Formycon AG...more
On January 29, 2025, the U.S. Court of Appeals for the Federal Circuit affirmed the grant of a preliminary injunction by the Northern District of West Virginia in favor of Regeneron Pharmaceuticals, Inc. against Samsung...more
Addressing a preliminary injunction in patent litigation related to the Biologics Price Competition and Innovation Act (BPCIA), the US Court of Appeals for the Federal Circuit upheld the district court’s grant of a...more
On January 29, 2025, the U.S. Court of Appeals for the Federal Circuit affirmed the District Court for the Northern District of West Virginia’s entries of preliminary injunction preventing Samsung Bioepis Co., Ltd....more
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...more
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...more
On October 24, 2014, Amgen initiated the first litigation under the Biologics Price Competition and Innovation Act (“BPCIA”), asserting infringement of two patents. Over the last two calendar years, Amgen, Biogen, Genentech,...more
On November 13, 2024, Amgen filed Case No. 5:24-cv-00642 (E.D.N.C.) against Accord BioPharma and Intas Pharmaceuticals, alleging INTP23, their proposed Prolia® / Xgeva® (denosumab) biosimilar, would infringe 34 of Amgen’s...more
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...more
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...more
On October 4, 2024, Amgen filed Case No. 1:24-cv-09555 (N.D. Ill.) against Fresenius Kabi, alleging FKS518 (denosumab), its proposed Prolia® / Xgeva® (denosumab) biosimilar, would infringe 33 of Amgen’s patents....more
On August 30, 2024, Alexion Pharmaceuticals, Inc. and Alexion Pharma International Operations Ltd. (collectively, “Alexion”) and Samsung Bioepis Co. Ltd. (“Samsung Bioepis”) settled their BPCIA dispute related to...more
On July 10, the Senate unanimously passed the Affordable Prescriptions for Patients Act of 2023 (S.150), which seeks to increase competition and lower drug prices by imposing limits on patent litigation related to biological...more
Regeneron filed an eighth BPCIA litigation (Case No. 2:24-cv-08760 (D.N.J.)) related to an EYLEA® (aflibercept) biosimilar, against Sandoz’s Enzeevu™ (aflibercept-abzv). The Complaint alleges infringement of 46 of...more
Welcome to the latest issue of Blockbuster Biologics Review, which covers the status and developments of post-grant challenges and patent litigations implicating blockbuster biologics and legislative proposals related to...more
In an attempt to increase the availability of biosimilars, on July 11, 2024, the Senate passed the Affordable Prescriptions for Patients Act, which was introduced in the House on July 19, 2024. The bill sets a cap of 20...more
As part of a push to increase competition and lower drug prices, the U.S. Senate recently passed a bill that limits the number of patents that can be asserted in biosimilar litigation. The Affordable Prescriptions for...more