On June 17, 2025, Regeneron Pharmaceuticals, Inc. (“Regeneron”) filed another complaint against Amgen Inc. (“Amgen”) under the BPCIA, alleging that Amgen’s aflibercept biosimilar, PAVBLU®, infringes U.S. Patent No. 12,331,099...more
6/20/2025
/ Amgen ,
Biosimilars ,
BPCIA ,
Hatch-Waxman ,
Injunctive Relief ,
Multidistrict Litigation ,
Patent Infringement ,
Patent Litigation ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Regeneron
On May 13, 2025, Biogen Inc. and Biogen MA Inc. (“Biogen”) filed a Complaint for Declaratory Judgment and Permanent Injunctive Relief against Neurimmune Holding AG and Neurimmune SubOne AG (“Neurimmune”) in the U.S. District...more
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
5/21/2025
/ Amgen ,
Biosimilars ,
BPCIA ,
Discovery ,
Intellectual Property Litigation ,
Litigation Strategies ,
Patent Infringement ,
Patent Litigation ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Subpoenas
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
3/18/2025
/ Amgen ,
Biosimilars ,
BPCIA ,
Claim Construction ,
Intellectual Property Litigation ,
Patent Infringement ,
Patent Litigation ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Preliminary Injunctions ,
Regeneron
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
3/7/2025
/ Biosimilars ,
BPCIA ,
Celltrion ,
Food and Drug Administration (FDA) ,
Patent Infringement ,
Patent Invalidity ,
Patent Litigation ,
Patents ,
Pharmaceutical Industry ,
Popular ,
Preliminary Injunctions
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