International Patent Classification (IPC) - Download and IT support area
This area includes: IPC master files and their by-products as well as some of the tools used to create them.
In case of inconsistency between master files and their by-products, the master files are the reference.
All files are made available for accessing by any user free of charge. The term "accessing" includes:
(a) downloading and storing information;
(b) copying, modifying layout or format, creating printouts or derivative products, displaying or networking of the information.
The user should acknowledge WIPO's copyrights in respect of the use of data from the authentic versions of the IPC in public products and services.