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Alvotech and STADA obtain approval in Europe for ustekinumab biosimilar, UZPRUVO

On January 10, Alvotech announced that the European Commission (EC) issued a marketing authorization to its European commercialization partner, STADA, for UZPRUVO (AVT04), a biosimilar referencing STELARA (ustekinumab). The authorization covers all European Economic Area countries, as well as Iceland, Liechtenstein, and Norway. UZPRUVO is the first ustekinumab biosimilar to…

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Alexion Sues Samsung over Proposed Eculizumab Biosimilar

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 District of Delaware, alleging infringement of 6 patents under the BPCIA based on Samsung’s submission of an aBLA for…

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Ustekinumab Antitrust Litigation

On December 7, 2023, a group of health insurers and health insurance administrators filed a class action complaint against Johnson & Johnson and Janssen Biotech, Inc. (collectively “J&J”) in the Eastern District of Virginia alleging that J&J “is unlawfully delaying the introduction of biosimilar competition for ustekinumab.”  The class action…

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District Court Grants Summary Judgment and Invalidates Patent in REGENXBIO v. Sarepta Litigation

On January 5, 2024, in litigation between REGENXBIO and Sarepta Therapeutics, Judge Richard Andrews of the U.S. District Court for the District of Delaware District Court granted summary judgment for Sarepta and ruled that University of Pennsylvania’s (“Penn”) U.S. Patent No. 10,526,617 (the ’617 Patent; licensed to REGENXBIO) is invalid…

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Regeneron’s Disputes with Celltrion, Samsung Bioepis, and Formcycon on Service and Personal Jurisdiction in Aflibercept BPCIA Litigation

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 the Northern District of West Virginia, alleging patent infringement under the Biologics Price Competition and Innovation Act (“BPCIA”) based on the…

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Updates on Aflibercept BPCIA Litigation

Emergency Motion for Entry of a PI Schedule Against Celltrion, Formcyon, and Samsung Bioepis On December 28, Regeneron filed emergency motions for entry of a PI schedule in its aflibercept BPCIA cases against Celltrion, Inc., Formycon AG, and Samsung Bioepis (“Samsung”).  Regeneron seeks a PI schedule to “ensure an orderly…

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Breaking: Judgment in Regeneron v. Mylan (aflibercept) BPCIA Case Finding Some Claims of Asserted Patents Valid and Infringed

As previously reported by Big Molecule Watch, trial in Regeneron’s BPCIA case against Biocon regarding Biocon’s proposed aflibercept biosimilar concluded on June 15, 2023 in the Northern District of West Virginia.  The patents-at-issue are directed to formulations and dosing regimens for aflibercept, an anti-VEGF treatment for retinal disorders including age-related…

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