On August 1, 2026, Fresenius Kabi and Dr. Reddy’s Laboratories announced that the FDA had approved Dr. Reddy’s rituximab biosimilar, a biosimilar to Genentech’s RITUXAN® (rituximab). Rituximab is a monoclonal antibody that targets the CD20 antigen expressed on B lymphocytes and is used in the treatment of several B-cell malignancies,…
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…
Just in December, six companies have announced the launch of their denosumab biosimilars in Europe: Sandoz, Samsung Bioepis, Fresenius Kabi, Zentiva, Biocon Biologics, and Accord. On December 1, 2025: Sandoz launched its denosumab biosimilars, WYOST (120 mg) and JUBBONTI (60 mg) in Europe. WYOST is approved for the treatment of…
This week the FDA granted interchangeability status to Fresenius Kabi’s and Celltrion’s respective denosumab biosimilars. Interchangeable biosimilars can be substituted for the reference product at the pharmacy without intervention of the prescribing healthcare provider. On October 29, Fresenius Kabi announced that the FDA granted an interchangeability designation for CONEXXENCE® and BOMYNTRA®…
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…
On May 27, 2025, Fresenius Kabi (“Fresenius”) announced that the EMA’s Committee for Medicinal Products for Human Use (“CHMP”) had issued positive opinions for Fresenius’s two denosumab biosimilar candidates. The applications for the two candidates, biosimilars to Amgen’s PROLIA (denosumab) and XGEVA (denosumab), respectively, cover “all indications covered by the reference…
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 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 February 23, 2025, Celltrion announced that the European Commission (“EC”) approved its tocilizumab biosimilar, AVTOZMA® (CT-P47), referencing Roche’s ROACTEMRA®. Tocilizumab is a monoclonal antibody that acts as an interleukin-6 (IL-6) inhibitor to reduce inflammation in the body. The EC approved AVTOZMA® for all indications of the reference product, including moderate…
On February 4, 2025, HyClone Laboratories, LLC (“HyClone”), a cell culture media supplier, filed a Motion to Quash a subpoena issued by Amgen, Inc. (“Amgen”). The underlying subpoena was issued in Amgen’s ongoing denosumab BPCIA litigation against Fresenius Kabi USA, LLC and its affiliates (“Fresenius”) in the District Court for…