Search Results: Biologics Litigation

Regeneron Sues Celltrion For Proposed Biosimilar of Eylea in West Virginia District Court

Regeneron filed a Complaint on November 8 against Celltrion in the U.S. District Court for the Northern District of West Virginia, alleging infringement of thirty-eight patents under the BPCIA based on Celltrion’s submission of an aBLA for CT-P42, a proposed biosimilar of EYLEA (aflibercept), and Celltrion’s provision of Notice of…

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Sanofi/Regeneron Move for Summary Judgment of Invalidity in Dupixent® Patent Litigation

Last week, in the ongoing Immunex v. Sanofi patent litigation regarding Immunex’s claims of infringement against Sanofi and Regeneron’s Dupixent® (dupilumab) product, the Defendants moved for summary judgment of invalidity of the sole patent-in-suit, the ‘487 patent, on the ground that the patent’s claims are indefinite. According to Defendants’ brief,…

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AbbVie Answers BI's Counterclaims in Adalimumab Litigation

As we previously reported, on August 2, 2017, AbbVie filed a complaint against Boehringer Ingelheim (BI) in the U.S. District Court for the District of Delaware regarding BI’s aBLA for a biosimilar version of AbbVie’s Humira® (adalimumab) product.  We also reported last month that BI answered AbbVie’s complaint, and included counterclaims against AbbVie for invalidity…

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