Canada's Supreme Court strips Viagra patent from Pfizer
OTTAWA (Reuters) - Canada's Supreme Court struck down the patent on global pharmaceuticals giant Pfizer Inc's (PFE.N) Viagra erectile dysfunction drug on Thursday and opened the door to generic competition.The court backed an appeal by Israeli-based Teva Pharmaceutical Industries Ltd (TEVA.TA) - the world's largest generic drug maker - which argued Pfizer had been too vague when filing its patent, ...
