Rituximab Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more
8/12/2025
/ Biogen Idec ,
Biologics ,
Biosimilars ,
Boehringer ,
Celltrion ,
Genentech ,
Inter Partes Review (IPR) Proceeding ,
Patent Infringement ,
Patent Litigation ,
Pfizer ,
Pharmaceutical Industry ,
Pharmaceutical Patents
Trastuzumab Challenged Claim Types in IPR and Litigation: Claims include those challenged in litigations and IPRs. Claims are counted in each litigation and IPR, so claims from the same patent challenged in multiple...more
On July 1, 2025, Fresenius Kabi announced the U.S. launch of Conexxence™ / Bomyntra™ (denosumab-bnht), biosimilars of Amgen’s Prolia® / Xgeva® (denosumab), pursuant to a settlement agreement between the parties ending BPCIA...more
On March 17, 2025, Senators Chuck Grassley (R-IA), John Cornyn (R-TX), Richard Blumenthal (D-CT), and Richard Durbin (D-IL) re-introduced the “Affordable Prescriptions for Patients Act” (“APPA”), which previously passed the...more
5/12/2025
/ aBLA ,
Biosimilars ,
BPCIA ,
Celltrion ,
Drug Pricing ,
FDA Approval ,
Food and Drug Administration (FDA) ,
Fresenius ,
Intellectual Property Litigation ,
Inter Partes Review (IPR) Proceeding ,
Interchangeability ,
Legislative Agendas ,
Patent Litigation ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Proposed Legislation
On April 14, 2025, Celltrion announced that the FDA designated Yuflyma® (adalimumab-aaty) as an interchangeable biosimilar of AbbVie’s Humira® (adalimumab). Yuflyma® is a high-concentration (100mg/mL) citrate-free...more
On March 3, 2025, Fresenius Kabi and Formycon announced the launch of Otulfi™ (ustekinumab-aauz), a provisionally interchangeable biosimilar of Janssen / Johnson & Johnson’s Stelara® (ustekinumab), subject to the...more
On March 5, 2025, the Federal Circuit affirmed the grant of a preliminary injunction against the launch of Celltrion’s proposed EYLEA® (aflibercept) biosimilar CT-P42 in CAFC Case Nos. 24-2058 and 24-2147 (appealing from...more
3/19/2025
/ Appeals ,
Biosimilars ,
Celltrion ,
Intellectual Property Litigation ,
Patent Infringement ,
Patent Invalidity ,
Patent Litigation ,
Patents ,
Pharmaceutical Industry ,
Preliminary Injunctions ,
Regeneron
On February 28, 2025, the FDA approved Celltrion’s Stoboclo® / Osenvelt® (denosumab-bmwo) as the third company to receive FDA approval of biosimilars of Amgen’s Prolia® / Xgeva® (denosumab). ...more
3/18/2025
/ Amgen ,
Biosimilars ,
Celltrion ,
FDA Approval ,
Food and Drug Administration (FDA) ,
Life Sciences ,
Patent Litigation ,
Patents ,
Pharmaceutical Industry ,
Prescription Drugs ,
Sandoz
On March 7, 2025, the FDA approved Celltrion’s Omlyclo® (omalizumab-igec), the first interchangeable biosimilar of Genentech’s Xolair® (omalizumab). Omlyclo® was approved for all of Xolair®’s approved indications, including...more
On January 24, 2025, Amgen announced it had reached a settlement with Celltrion in Case No. 1:24-cv-06497 (D.N.J.) related to Celltrion’s proposed biosimilar of Prolia® / Xgeva® (denosumab), CT-P41....more
On January 15, 2025, Celltrion filed IPR2025-00456 against Regeneron’s U.S. Patent No. 11,084,865 (“the ’865 patent”), challenging claims 1-17, 19-42, 44-50 as anticipated and claims 1-50 as obvious....more
1/22/2025
/ Biosimilars ,
Celltrion ,
Intellectual Property Litigation ,
Inter Partes Review (IPR) Proceeding ,
Obviousness ,
Patent Infringement ,
Patent Litigation ,
Patent Trial and Appeal Board ,
Patents ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Regeneron
On December 17, 2024, the FDA approved Celltrion’s Steqeyma™ (CT-P43) (ustekinumab-stba) as the seventh biosimilar of Janssen / Johnson & Johnson’s Stelara® (ustekinumab). Celltrion previously reached a settlement agreement...more
1/8/2025
/ Biosimilars ,
Celltrion ,
FDA Approval ,
Food and Drug Administration (FDA) ,
Healthcare ,
Johnson & Johnson ,
Life Sciences ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Prescription Drugs ,
Settlement
On July 8, 2024, Regeneron, Mylan, Celltrion, and Apotex jointly stipulated to the dismissal of CAFC Appeal Nos. 23-1395 and 23-1396, appealing the Final Written Decisions finding all challenged claims of U.S. Patent Nos....more
On May 28, 2024, Amgen filed a BPCIA litigation, Case No. 1:24-cv-06497 (D.N.J.), against Celltrion’s proposed Prolia® / Xgeva® (denosumab) biosimilar CT-P41 alleging infringement of 29 of Amgen’s patents, including one...more
On May 17, 2024, Regeneron filed a second infringement litigation against Celltrion’s proposed EYLEA® (aflibercept) biosimilar CT-P42, Case No. 1:24-cv-00053 (N.D.W. Va.). The aBLA for CT-P42 was submitted to the FDA in June...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
5/23/2024
/ AstraZeneca ,
Biologics ,
Biosimilars ,
Celltrion ,
EU ,
European Patent Office ,
Genentech ,
Inter Partes Review (IPR) Proceeding ,
Life Sciences ,
Novartis ,
Patent Applications ,
Patent Litigation ,
Patents ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Popular ,
Samsung Bioepis ,
Unified Patent Court
On March 10, 2024, Celltrion announced in a press release that it submitted an abbreviated Biologics License Application (aBLA) for FDA approval of CT-P39 (omalizumab), a proposed interchangeable biosimilar of Genentech’s /...more
On November 8, 2023, Regeneron Pharmaceuticals Inc. filed a BPCIA Complaint against Celltrion Inc. in the district court for the northern district of West Virginia, asking the Court to block Celltrion’s biosimilar product...more
11/27/2023
/ Biosimilars ,
BPCIA ,
Celltrion ,
Patent Dance ,
Patent Infringement ,
Patent Litigation ,
Patents ,
Pharmaceutical Industry ,
Pharmaceutical Patents ,
Prescription Drugs ,
Regeneron