Invalidation of Atorvastatin Patent Highlights Complex Chinese Patent Law

Trends Pharmacol Sci. 2016 Nov;37(11):883-886. doi: 10.1016/j.tips.2016.08.004. Epub 2016 Sep 19.

Abstract

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.

MeSH terms

  • Atorvastatin / administration & dosage*
  • Cardiovascular Diseases / drug therapy
  • China
  • Disclosure / legislation & jurisprudence*
  • Humans
  • Hydroxymethylglutaryl-CoA Reductase Inhibitors / administration & dosage*
  • Legislation, Drug
  • Patents as Topic / legislation & jurisprudence*

Substances

  • Hydroxymethylglutaryl-CoA Reductase Inhibitors
  • Atorvastatin