On June 2, 2006, Beijing No. 1 Intermediate People’s Court announced a verdict favorable for Pfizer Inc. on the patent dispute of Viagra. The litigation put the Patent Reexamination Board of the SIPO, the losing party, into adverse circumstances, who has to reflect on the patent application and reexamination system. However, it remains unknown when the dispute will drop the curtain because, according to an official from the SIPO, “ an appeal shall be launched”. As the third party, the 12 enterprises and the natural person Pang Huaping are trying to work out the countermeasure. This patent dispute of long duration shall undoubtedly mark a milestone in the history of Chinese intellectual property protection.
