Sanofi, Regeneron lose bid to overturn Amgen

Sanofi (NYSE:SNY) and Regeneron Pharmaceuticals (NASDAQ:REGN) lose their bid to overturn a court verdict upholding two Amgen (NASDAQ:AMGN) patents covering cholesterol drug Repatha (evolocumab). Amgen sued the companies in August 2014 in an attempt to prevent them from selling rival drug Praluent (alirocumab). Both of them lower cholesterol by blocking a protein called PCSK9. [...]