Information and Other Material Related to Earlier Versions of the IPC
- Earlier versions of the IPC can be viewed by selecting the respective version in the online IPC.
- Compilation of modifications to the advanced level of the IPC between 2006.01 and 2009.01 versions
- General Information on the Eighth Edition of the IPC
- See also explanatory note on the publication of the eighth edition of the IPC (IPC-2006) and updates
- Guide to the IPC [8th edition PDF]
- Compilation of amendments to the seventh edition of the International Patent Classification (IPC) adopted by the IPC Committee of Experts at its thirtieth to thirty-sixth sessions. [DOC]
