by April Breyer Menon | Nov 22, 2025
On November 18, 2025, ToolGen, Inc. (“ToolGen”) filed a complaint (“Complaint”) in the District of Massachusetts alleging infringement of its U.S. Patent No. 12,473,559 (“the ’559 patent”) by Vertex Pharmaceuticals and related entities involved in the development and...
by April Breyer Menon | Nov 20, 2025
On November 17, 2025, Sandoz and Polpharma announced the U.S. launch of Tyruko® (natalizumab-sztn), the first and only FDA-approved biosimilar to Biogen’s Tysabri® (natalizumab) and the first biosimilar available to treat multiple sclerosis (MS) in the United States....
by April Breyer Menon | Nov 19, 2025
On November 6, 2025, Amgen filed its eighth and ninth BPCIA lawsuits against proposed biosimilars of Prolia® / Xgeva® (denosumab), Case No. 1:25-cv-17277 (D.N.J.) against Alvotech and Dr. Reddy’s AVT03 and Case No. 1:25-cv-17278 (D.N.J.) against Amneal,...
by April Breyer Menon | Nov 17, 2025
On November 6, 2025, the Patent Trial and Appeal Board (“Board”) issued decisions denying institution of Sarepta Therapeutics’ IPR2025-01194 against claims 3-6 of Genzyme’s U.S. Patent No. 9,051,542 (“the ’542 patent) and IPR2025-01195 against claims 1-4, 6-7 and 11...
by April Breyer Menon | Nov 14, 2025
On November 13, 2025, the FDA approved Shanghai Henlius Biotech / Organon’s Poherdy® (pertuzumab-dpzb) as the first interchangeable biosimilar of Genentech’s Perjeta® (pertuzumab). Poherdy® is approved for all of the same indications as Perjeta®. There is an ongoing...