On September 8, 2026, Bristol-Myers Squibb Company, E. R. Squibb & Sons, L.L.C., (collectively, “BMS”) and Ono Pharmaceutical Co., Ltd. (“Ono”) filed a BPCIA complaint in the U.S. District Court for the District of Delaware against Amgen Inc. (“Amgen”), alleging that Amgen’s proposed nivolumab biosimilar, ABP 206, will infringe seven…
On July 23, 2026, Accord BioPharma, Inc., the U.S. specialty division of Intas Pharmaceuticals, Ltd., announced the commercial launch of OSVYRTI® (denosumab-desu) and JUBEREQ® (denosumab-desu), FDA-approved interchangeable biosimilars to Amgen’s PROLIA® and XGEVA®, respectively. OSVYRTI® is indicated for the treatment of osteoporosis and bone loss related to hormone ablation therapy, while…
On July 9, 2026, Accord BioPharma announced that the FDA approved ENNUMO (pegfilgrastim-pccg). ENNUMO references Amgen’s NEULASTA (pegfilgrastim). The FDA approved ENNUMO on May 7, 2026, for the same indications as NEULASTA: for adult and pediatric patients, to decrease the incidence of infections, as manifested by febrile neutropenia, in patients…
On May 29, 2026, Boan Biotech announced that it submitted a Biologics License Application (BLA) to the U.S. Food and Drug Administration (FDA) for BA6101 (denosumab; injection 60 mg) and BA1102 (denosumab; injection 120 mg), referencing Amgen’s PROLIA® (denosumab) and XGEVA® (denosumab), respectively. According to Boan Biotech, the submission is…
On April 7, 2026, Biocon Limited announced that it had launched BOSAYA™ (denosumab-kyqq) and AUKELSO™ (denosumab-kyqq) in the United States. Both products are RANK ligand inhibitors used to treat conditions such as osteoporosis and cancer-related skeletal complications. BOSAYA™ and AUKELSO™ have been designated as interchangeable with their corresponding reference products,…
On March 31, 2026, the District Court for the District of New Jersey entered a Consent Order and Judgment in the BPCIA litigation Amgen brought against Henlius and Organon concerning their denosumab biosimilars, BILPREVDA® (denosumab‑nxxp) and BILDYOS® (denosumab‑nxxp), following a settlement between the parties. Under the consent judgment, Henlius and…
On February 17, 2026, the U.S. Food and Drug Administration (FDA) approved FILKRI (filgrastim-laha), a biosimilar to Amgen’s NEUPOGEN (filgrastim). FILKRI was developed by Accord BioPharma, the U.S. specialty division of Intas Pharmaceuticals Ltd. FILKRI is indicated for patients with cancer receiving myelosuppressive chemotherapy; patients with acute myeloid leukemia (AML)…
On January 19, 2026, Hikma announced the U.S. launch of ENOBY (denosumab-qbde) and XTRENBO (denosumab-qbde)—denosumab biosimilars referencing Amgen’s PROLIA and XGEVA, respectively. As recited in the announcement, “[d]enosumab is indicated for treating osteoporosis in postmenopausal women, preventing skeletal-related complications in cancer that has spread to the bone, and treating unresectable giant cell tumor 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 December 11, 2025, Regeneron filed a Memorandum in Support of Its Motion to Bifurcate and Stay Amgen’s Antitrust Claims in the ongoing aflibercept patent litigation in the U.S. District Court for the Northern District of West Virginia. As we previously reported, Regeneron filed a second complaint against Amgen in…