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On September 9, 2022, Biogen Inc. and Biogen MA Inc. (“Plaintiffs”) filed suit against Sandoz Inc., Sandoz International GMBH, Sandoz GMBH, and Polpharma Biologics S.A. (collectively, “Defendants”) in the District of Delaware concerning twenty-eight different patents. Although the complaint was filed under seal, the complaint appears to be related to Defendants’ natalizumab biosimilar (proprietary name

Patents related to Regeneron’s EYLEA (aflibercept) were recently added to the Purple Book.  Under the Biological Product Patent Transparency Act, signed into law December 27, 2020 and codified at 42 U.S.C. § 262(k)(9), patents must be submitted to the FDA for listing in the Purple Book during the “Patent Dance” under the BPCIA. Specifically,

As we have previously discussed, on February 11, 2021, the Federal Circuit decided Amgen Inc. et al.  v. Sanofi, Aventisub LLC, et al. The Federal Circuit affirmed the district court’s grant of JMOL that Amgen’s Repatha® patents (U.S. Patent Nos. 8,829,165 and 8,859,741) were invalid for lack of enablement. The claims at issue