World Intellectual Property Organization

Guidelines for revision and for use of the IPC

  • Guide to the IPC (2015 version) PDF, Guide to the IPC
  • Guidelines for revision of the IPC PDF, Guidelines for Revision of the IPC
  • Guidelines for determining subject matter to be classified PDF, Guidelines for Determining Subject Matter to be Classified
  • Guidelines for determining where to classify patent documents PDF, Guidelines for Determining Where to Classify Patent Documents
  • Guidelines for drafting classification definitions PDF, Guidelines for Drafting Classification Definitions
  • WIPO Standard ST.8 ("Standard Recording of International Patent Classification (IPC) Symbols on Machine-Readable Records") PDF, WIPO Standard ST.8
  • WIPO Standard ST.10/C ("Presentation of Bibliographic Data Components") PDF, WIPO Standard ST.10/C

Explore WIPO