Sanofi Files U.S. Suit Against Merck & Co. Over Patents

French pharmaceutical giant Sanofi SA (SAN.FR) Monday said it filed a lawsuit against Merck & Co.'s international unit for alleged patent infringements.

In the filing in the U.S. district court of Delaware, Sanofi said it claims that Merck Sharp & Dohme Corp. violated as many as 10 patents held by the French company, including ones for its blockbuster diabetes treatment Lantus and its insulin delivery device soloSTAR.

Back to news