Guidelines for revision and for use of the IPC

  • Guide to the IPC (version 2018) PDF, Guide to the IPC
  • Guidelines for revision of the IPC PDF, Guidelines for Revision of the IPC
  • 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