Regeneron, Sanofi urge court to reverse ban on cholesterol drug

Regeneron, Sanofi urge court to reverse ban on cholesterol drug


A federal appeals court hinted on Tuesday it may let Sanofi AG and Regeneron Pharmaceuticals Inc sell a cholesterol drug Amgen Inc has been trying to block on patent infringement grounds, according to lawyers and analysts who attended oral arguments in the case. Paul Clement, a lawyer for Regeneron and Sanofi, urged the U.S. Court of Appeals for the Federal Circuit to reverse a lower court order that would ban sales of their jointly developed drug Praluent for 12 years because it infringed patents owned by Amgen Inc, which makes a competing drug, Repatha.



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