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 December 22, 2025, the FDA approved mAbxience and Amneal’s Biologics Licensing Applications (BLAs) for BONCRESA™ (denosumab-mobz) and OZILTUS™ (denosumab-mobz), biosimilars referencing Amgen’s PROLIA® (denosumab) and XGEVA® (denosumab), respectively. Under Amneal’s partnership with mAbxience, mAbxience is responsible for development and manufacturing, while Amneal holds exclusive U.S. commercialization rights to the…
On November 6, 2025, Amgen, Inc. (“Amgen”) launched a new round of BPCIA denosumab litigations when it filed two cases in the U.S. District Court for the District of New Jersey, one against Dr. Reddy’s Laboratories (“Dr. Reddy’s”) and Alvotech, and the second against Amneal Pharmaceuticals (“Amneal”). As we previously…
On September 26, Amneal Pharmaceuticals, Inc. announced the submission of a Biologics License Application (BLA) to the U.S. Food and Drug Administration (FDA) for ADL-018, a proposed biosimilar to Novartis AG’s XOLAIR (omalizumab). According to the press release, omalizumab is a humanized monoclonal antibody that targets free IgE and is indicated…
On March 3, 2025, Amneal announced FDA acceptance of its Biologics License Application (BLA) for two proposed denosumab biosimilars referencing Amgen’s PROLIA® and XGEVA®. According to Amneal, the FDA has set a target action date in Q4 2025. Denosumab is a RANK ligand (RANKL) inhibitor that is used to treat…
Samsung Bioepis’ PYZCHIVA On July 1, Samsung Bioepis Co., Ltd. announced that the FDA has approved PYZCHIVA (ustekinumab-ttwe), a biosimilar referencing STELARA (ustekinumab). PYZCHIVA is approved for the treatment of moderate to severe plaque psoriasis who are candidates for phototherapy or systemic therapy, active psoriatic arthritis, moderately to severely active…
On October 12, Amneal announced that it will be adding two denosumab biosimilars to its oncology pipeline, referencing PROLIA and XGEVA. Denosumab is indicated for bone metastasis from various forms of cancer and for the prevention of bone pain and fractures, including osteoporosis-related injuries. Amneal announced that mAbxience will develop…
Last week, Amneal announced the launch of FYLNETRA (pegfilgrastim-pbbk), a biosimilar to Amgen’s NEULASTA, in the United States. According to the press release, FYLNETRA—Amneal’s third biosimilar launch in the United States since late last year—is used to treat neutropenia (low neutrophils, a type of white blood cell that fights infection)…
On November 22, 2022, Amneal Pharmaceuticals, Inc. (“Amneal”) announced the commercial launch of RELEUKO, a biosimilar referencing Neupogen. RELEUKO is used to treat neutropenia which is commonly experienced by patients undergoing chemotherapy. RELEUKO is Amneal’s second U.S. biosimilar launch. As we previously reported, Amneal announced the launch of its first…
Yesterday, Amneal Pharmaceuticals, Inc. announced the launch of its first biosimilar in the United States: ALYMSYS (bevacizumab-maly), a biosimilar referencing Genentech’s AVASTIN product. ALYMSYS is a vascular endothelial growth factor inhibitor approved by the FDA in April 2022 for the treatment of metastatic colorectal cancer, non-squamous non-small cell lung cancer, recurrent…