On June 2, 2025, the Patent Trial and Appeal Board (“Board”) issued decisions denying institution of Samsung Bioepis’s IPR2025-00176 and Formycon’s IPR2025-00233 against claims 1–12, 14–17, 19, 20, 22–36, 39–42, 44, 45, and...more
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”)...more
Samsung Bioepis Co., Ltd. has secured marketing approval in Korea for XBRYK, its biosimilar to Amgen’s bone cancer drug XGEVA, used to prevent fractures in those with bone metastases from solid tumors or multiple myeloma and...more
On April 7, 2025, Samsung Bioepis and Teva announced the launch of Epysqli® (eculizumab-aagh), a provisionally interchangeable biosimilar of Alexion / AstraZeneca’s Soliris® (eculizumab), at a 30% discount to Soliris®’s...more
On April 7, 2025, Teva Pharmaceuticals and Samsung Bioepis Co., Ltd. announced the U.S. launch of EPYSQLI® (eculizumab-aagh), a biosimilar referencing Alexion Pharmaceuticals’ SOLIRIS®....more
On January 29, 2025, the U.S. Court of Appeals for the Federal Circuit affirmed the District Court for the Northern District of West Virginia’s entries of preliminary injunction preventing Samsung Bioepis Co., Ltd....more
On January 29, 2025, the CAFC issued opinions affirming the preliminary injunctions issued against biosimilars of Regeneron’s EYLEA® (aflibercept): Samsung Bioepis’s Opuviz™ (aflibercept-yszy) (CAFC Case Nos. 24-1965,...more
On November 20, 2024, Samsung Bioepis filed IPR2025-00176 against Regeneron’s U.S. Patent No. 11,084,865 (“the ’865 patent”), challenging as obvious 48 claims (claims 1-12, 14-17, 19-20, 22-36, 39-42, 44-45, and 47-55)...more
On August 30, 2024, Alexion Pharmaceuticals, Inc. and Alexion Pharma International Operations Ltd. (collectively, “Alexion”) and Samsung Bioepis Co. Ltd. (“Samsung Bioepis”) settled their BPCIA dispute related to...more
On August 30, 2024, Alexion and Samsung Bioepis filed voluntary dismissals in all of their pending patent proceedings related to Soliris® (eculizumab) biosimilar Epysqli® (eculizumab-aagh), including Case No. 1:24-cv-00005...more
On August 12, 2024, Amgen filed Case No. 1:24-cv-08417 (D.N.J.) against Samsung Bioepis, alleging SB16 (denosumab), its proposed Prolia® / Xgeva® (denosumab) biosimilar, would infringe 34 of Amgen’s patents....more
On August 12, 2024, Amgen filed a BPCIA complaint in the District Court for the District of New Jersey against Samsung Bioepis and Samsung Biologics related to Samsung Bioepis’s proposed biosimilar of Amgen’s PROLIA and...more
On June 14, 2024, the PTAB issued a Final Written Decision (FWD) in Samsung Bioepis’s IPR2023-00442 (“the -00442 IPR) determining that the challenged claims of Regeneron’s U.S. Patent No. 10,130,681 (the ’681 patent) that...more
As we previously reported, Alexion Pharmaceuticals, Inc. and Alexion Pharma International Operations Ltd. (collectively, “Alexion”) sued Samsung Bioepis Co. Ltd. (“Samsung”) in January 2024 in the U.S. District Court...more
In a sealed order that issued last week, the Court has granted a preliminary injunction against Samsung Bioepis in the aflibercept BPCIA litigation brought by Regeneron. ...more
As the era of biologics and biosimilar litigations heats up in the United States, Europe’s Unified Patent Court (UPC) is also taking center stage with the first two biosimilar disputes filed in March and April....more
On January 10, 2024, Regeneron Pharmaceuticals, Inc. (“Regeneron”) filed a Complaint in the U.S. District Court for the Central District of California against Amgen Inc. (“Amgen”) alleging infringement of 32 patents under the...more
Alexion Pharmaceuticals, Inc. and Alexion Pharma International Operations Ltd. (collectively, “Alexion”) filed a complaint on January 3, 2024, against Samsung Bioepis Co. Ltd. (“Samsung”) in the U.S. District Court for the...more
On January 3, 2024, Alexion Pharmaceuticals, Inc. and Alexion Pharma International Operations Ltd. (collectively, “Alexion”) filed a BPCIA litigation in the District of Delaware (Case No. 1-24-cv-00005 (D. Del.)) against...more
As we have previously reported, in November 2023 Regeneron Pharmaceuticals, Inc. (“Regeneron”) filed complaints against Celltrion, Samsung Bioepis and Formycon (collectively, “the Defendants”) in the U.S. District Court for...more
Regeneron Pharmaceuticals, Inc. (“Regeneron”) filed a Complaint on November 22 against Samsung Bioepis Co., Ltd. (“Bioepis”) in the U.S. District Court for the Northern District of West Virginia, alleging infringement...more
On August 7, 2023, Formycon AG and Fresenius Kabi announced that they have reached a settlement with Johnson & Johnson (“J&J”) in the United States relating to FYB202, a proposed ustekinumab biosimilar to STELARA®, marketed...more
Samsung recently filed the following IPR petitions challenging all claims of four patents assigned to Alexion relating to SOLIRIS (eculizumab): IPR2023-00998, challenging claims 1-3 of U.S. Patent No. 9,718,880;...more
Last week, Samsung Bioepis filed an IPR petition challenging claims of U.S. Patent No. 11,253,572 (“the ’572 patent”), owned by Regeneron Pharmaceuticals. According to the petition, the claims are directed to the use...more
As we previously reported, on June 28, 2020, Genentech, Inc. (“Genentech”) filed a complaint against Samsung Bioepis Co., Ltd. (“Samsung”) in the District of Delaware, alleging infringement of fourteen patents under...more