Lessons from the Viagra case

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Lessons from the Viagra case

Managing IP Correspondent
January 01 2005

In 2004, the Chinese authorities invalidated Pfizer's patent on Viagra, unleashing sharp criticism about the country's record on IP protection. Samson G Yu and Ying Zhang of Kangxin Partners look behind the headlines to explain the decision and the lessons it offers patent applicants

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ChinaMIP Special FocusChina IP Focus 2005 (December 2004)Asia-PacificJurisdictions
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