Home » Beijing Court Hears Wrangle on Viagra Patent
Beijing Court Hears Wrangle on Viagra Patent
The legal battle over the legitimacy of the patent rights for impotency drug Viagra recently began at a Beijing court. Drugmaker Pfizer is suing China's Patent Re-examination Board (PRB) of the State Intellectual Property Office for wrongfully invalidating its China patent over the use of sildenafil, the active ingredient in Viagra, a drug taken by patients suffering male erectile dysfunction (MED).
China Daily (http://www.chinadaily.com.cn/english/doc/2005-03/31/content_429704.htm)
KEYWORDS Daily International Pharma Alert
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