Reuters -- Pfizer Inc (PFE.N) agreed to drop an eight-year-old patent infringement lawsuit against Eli Lilly & Co (LLY.N) over Viagra after a U.S. government agency rejected part of the male impotence drug’s patent.
Reuters -- Pfizer Inc (PFE.N) agreed to drop an eight-year-old patent infringement lawsuit against Eli Lilly & Co (LLY.N) over Viagra after a U.S. government agency rejected part of the male impotence drug’s patent.