Pfizer says Teva will pay an undisclosed royalty for a license to produce a generic version of Viagra, one of New York-based Pfizer's best-selling drugs. Viagra generated about USD 1.14 billion in US sales last year.
Pfizer's patent protecting Viagra from generic competition expires in April 2020, but Teva will be allowed to launch its generic version Dec. 11, 2017.
Pfizer Inc. Had sued Teva in 2010 over the Israeli drugmaker's plans to introduce a generic version of Viagra. The patent protecting another erectile dysfunction drug, Eli Lilly and Co.'s Cialis, also expires in 2017.
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