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Pfizer starts Viagra case against Teva in RussiaPfizer said on Tuesday it had filed a patent infringement suit in a Moscow court against Teva Pharmaceutical to prevent the rival from selling a generic version of its erectile dysfunction drug Viagra in Russia.
Pfizer has already won a patent infringement case against Teva in a U.S. court, preventing Teva from launching its generic drug until October 2019.
Viagra was the third best selling drug in Russia in 2010 when the U.S. drugmaker sold $117 million of the medicine, according to industry research group Pharmexpert, out of nearly $2 billion in worldwide sales.
In the first eight months of this year, Russian sales of Viagra were up 14 percent in money terms to stand at $86.7 million, although sales were down 6.5 percent in volume terms, experts said.