Pfizer prevails over Teva Novopharm on Canadian Viagra patent
22 June 2009
Nancy Faigen
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22 June 2009
Nancy Faigen
nancy.faigen@informausa.com
Pfizer has prevailed over Teva Novopharm in its Canadian patent infringement litigation involving a generic version of Viagra (sildenafil). A federal judge has declared that the company has "met its legal burden" in establishing the validity of patent No 2,163,446.
Judge Michael Kelen of...
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