Regeneron, Sanofi-Aventis sue for declaration that dermatitis treatment Dupixent doesn’t infringe Amgen patent
On Monday, March 20th, American pharmaceutical companies Sanofi-Aventis US, a subsidiary of France-based Sanofi S.A. (NYSE:SNY), and Regeneron (NASDAQ:REGN) were listed as plaintiffs in a suit filed to seek declaratory judgment of non-infringement of a patent held by American biopharma firm Amgen (NASDAQ:AMGN). Sanofi-Aventis and Regeneron are hoping to protect their market interest in a treatment developed to help patients [...]
