On February 11, 2026, Formycon AG and Lotus Pharmaceutical announced the execution of an exclusive license agreement directed to Formycon’s pembrolizumab biosimilar candidate, FYB206. Pembrolizumab is currently approved as KEYTRUDA (Merck Sharp & Dohme LLC) and is indicated to treat a variety of tumors. FYB206 is near the end of…
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 November 17, 2025 Formycon AG (“Formycon”) announced development of a dupilumab biosimilar, FYB208, referencing Regeneron and Sanofi’s DUPIXENT. Dupilumab is a monoclonal antibody therapy designed to treat immunological disease by blocking interleukin 4 and interleukin 13 receptor signaling-induced type 2 inflammation. DUPIXENT is approved for the treatment of asthma,…
The aflibercept multi-district litigation consists of multiple actions consolidated in the Northern District of West Virginia, with Regeneron Pharmaceuticals, Inc. (“Regeneron”) filing suit under the Biologics Price Competition and Innovation Act (“BPCIA”) against Amgen Inc. (“Amgen”), Mylan Pharmaceuticals Inc. (“Mylan”), Biocon Biologics Inc. (“Biocon”), Celltrion, Inc. (“Celltrion”), Formycon AG (“Formycon”),…
On June 26, 2025, Formycon AG (“Formycon”) announced a distribution agreement with Teva Group subsidiary Ratiopharm GmbH (“Ratiopharm”) for the semi-exclusive commercialization of its Stelara biosimilar FYB202/Fymskina (ustekinumab) in Germany. Under the terms of the distribution agreement, Formycon will be responsible for the manufacture and supply of FYB202/Fymskina and will…
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…
This Monday, Bio-Thera Solutions and Dr. Reddy’s Laboratories SA announced that they had entered into commercialization and licensing agreements for proposed ustekinumab and golimumab biosimilars in Southeast Asia. Bio-Thera will develop, manufacture, and supply BAT2206 (the proposed ustekinumab biosimilar referencing Janssen’s STELARA) and BAT2506 (the proposed golimumab biosimilar referencing Janssen’s…
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 aflibercept BPCIA litigation. On October 1, 2024, the district court denied Regeneron’s motion for…
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 launching CT-P42, its aflibercept biosimilar of EYLEA®. As we have previously reported, the Federal Circuit recently…
CHMP Adopts Positive Opinion for Aflibercept, Pegfilgrastim Biosimilars: On January 30, 2025, the European Medicines Agency (EMA) Committee for Medicinal Products for Human Use (CHMP) adopted positive opinions recommending the grant of marketing authorizations for three biosimilar products—Amgen’s PAVBLU and SKOJOY, and CuraTeQ Biologics’ DYRUPEG. Amgen’s PAVBLU and SKOJOY, both biosimilars referencing EYLEA…