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Viagra Patent China





























viagra patent china

Pfizer has appealed the revocation of its patent on Viagra by China in a case that may test that nation's commitment to intellectual property rights. ... Chinese firms appeal Viagra patent ruling from AFP in News provided by Find Articles. Jun 3, 2006 ... This court decision overturns a 2004 China patent review board ruling finding Pfizer's patent on sildenafil citrate (Viagra's main ... The case put China's patent regime under the spotlight, leading SIPO ... The Viagra patent will now be remanded to the Patent Reexamination Board for ...

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