Amgen sues Sanofi and Regeneron over alleged patent infringement

19 October 2014

USA-based Amgen (Nasdaq: AMGN), the world’s largest independent biotech firm, has filed a law suit in the US District Court of Delaware against French pharma major Sanofi (Euronext: SAN) and US biotech Regeneron Pharmaceuticals (Nasdaq: REGN) for patent infringement of US Patent Numbers 8,563,698, 8,829,165, and 8,859,741.

These patents, which are owned by Amgen, describe and claim monoclonal antibodies to proprotein convertase subtilisin/kexin type 9 (PCSK9).

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