About the International Patent Classification (IPC)
The links below will be gradually updated during 2010 in order to take into account the simplification of the IPC.
- Preface to the IPC
- Guide to the IPC [version 2009 PDF]
- Introduction to the Internet version of the IPC
- Frequently Asked Questions about the IPC
Related links:
- Guidelines for Revision of the IPC [PDF] [DOC]
- Guidelines for Determining Subject Matter to be Classified [PDF] [DOC]
- Guidelines for Determining Where to Classify Patent Documents [PDF] [DOC]
- WIPO Standard ST.8 (Standard Recording of International Patent Classification (IPC) Symbols on Machine-Readable Records) [PDF]
- Use of the eighth edition of the IPC by industrial property offices (start date, core or advanced level, reclassification plans) [PDF] [DOC]
