Pfizer Sees Decision In Viagra Patent Case In 1-3 Months

Law360, New York (March 30, 2005, 12:00 AM EST) -- Judges in Beijing heard arguments this week in an appeal of China’s decision to withdraw Pfizer Inc.’s patent rights to the erectile-dysfunction drug Viagra.

Beijing's First Intermediate Court heard arguments from lawyers for both sides in the appeal of the State Intellectual Property Office’s decision to overturn Pfizer's patent on sildenafil citrate, the main ingredient in Viagra, Pfizer said.

Pfizer is suing China's Patent Re-examination Board (PRB) of the State Intellectual Property Office for wrongfully invalidating its patent.

Pfizer told the court the decision was based...
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