Pfizer's atorvastatin (Lipitor) is a blockbuster drug for the treatment of cardiovascular diseases. In China, a critical polymorph patent of this drug has been recently invalidated by the Supreme People's Court for insufficiency of disclosure. Here, we discuss the particularities in patent litigation in China worth attention from the community.
Keywords: atorvastatin; enablement; patent law of the People's Republic of China; sufficiency of disclosure; written description.
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