In the past few weeks, several biosimilar products have been granted marketing authorization in Europe and Japan, and additional products have been recommended for approval in Europe. The European Commission Approves Henlius and Organon’s Denosumab Biosimilars: On September 19, 2025, Shanghai Henlius Biotech and Organon announced that the European Commission…
On August 18, 2025, Accord BioPharma, Inc. (“Accord BioPharma”) announced the commercial launch of IMULDOSA® (ustekinumab-srlf), a biosimilar to STELARA® (ustekinumab) in the United States. IMULDOSA® is supplied as single-dose prefilled syringes for subcutaneous use in 45 mg/0.5 mL and 90 mg/mL strengths or as a single-dose vial for intravenous…
Earlier this month, a Patent Trial and Appeal Board (“PTAB”) panel denied institution of two petitions that were filed separately by Samsung Bioepis (IPR2025-00176) and Formycon (IPR2025-00233) for inter partes review (“IPR”) of Regeneron’s U.S. Patent No. 11,084,865 (the “’865 patent”). The ’865 patent issued on August 10, 2021 and is…
FDA approves first interchangeable biosimilars to EYLEA (aflibercept) to treat macular degeneration and other eye conditions Regeneron’s regulatory exclusivity for EYLEA expired on May 18, 2024. Two days later, on May 20, 2024, the FDA announced that it has approved Mylan Pharmaceuticals, Inc. and Biocon Biologics, Inc.’s YESAFILI (aflibercept-jbvf) and Samsung…
As we previously reported, the U.S. Department of Justice (“DOJ”) filed a lawsuit under the Anti-Kickback Statute against Regeneron Pharmaceuticals in the District of Massachusetts regarding Regeneron’s sales of Eylea in 2020. The DOJ recently announced that it has filed another False Claims Act complaint against Regeneron Pharmaceuticals, alleging that…
As we previously reported, trial in Regeneron Pharmaceutical, Inc.’s BPCIA case against Mylan Pharmaceuticals Inc. and Biocon Biologics, Inc. (collectively, “the Biocon Defendants”) regarding the Biocon Defendants’ proposed aflibercept biosimilar concluded on June 15, 2023 in the Northern District of West Virginia. On December 27, 2023, the court entered judgment in the…
Regeneron’s request for multi-district litigation As we previously reported, on January 11, 2024, Regeneron Pharmaceuticals, Inc. (“Regeneron”) filed a motion seeking to establish a multi-district litigation (“MDL”) encompassing the aflibercept BPCIA cases it has filed in the U.S. District Court for the Northern District of West Virginia and transfer its case against…
Appeals from and redacted memorandum and opinion in support of judgment in Regeneron v. Mylan (aflibercept) BPCIA case filed As we previously reported, trial in Regeneron Pharmaceutical, Inc.’s BPCIA case against Mylan Pharmaceuticals Inc. and Biocon Biologics, Inc. (collectively, “the Biocon Defendants”) regarding the Biocon Defendants’ proposed aflibercept biosimilar concluded…
Regeneron files ex parte application for a preliminary injunction schedule in case against Amgen On Friday, January 20, 2024, Regeneron Pharmaceuticals, Inc. (“Regeneron”) filed an ex parte application for a scheduling order setting the schedule for preliminary injunction proceedings or, in the alternative, an emergency status conference. Regeneron requested that…
Celltrion and Samsung recently filed IPR petitions challenging claims of Regeneron patents directed to treating angiogenic eye disorders with aflibercept. Specifically, Celltrion and Samsung have each filed petitions challenging U.S. Patent No. 10,130,681: IPR2023-00442 (Samsung), IPR2023-00532 (Celltrion), and U.S. Patent No. 10,888,601: IPR2023-00566 (Samsung), IPR2023-00533 (Celltrion). As we previously reported, Mylan…