This is the page for IPC files. Version control and integrity checking is possible for some of these files through their associated MD5 Key.
The file with the most recent version of these keys is available Here and its specification is available Here.
NOTE: To load an XML file in Excel, read this document.
File providing history and validity period of all IPC symbols that have ever existed since IPC 1.
|Validity File||Specification available|
File containing the list and type of differences between two consecutive editions of the IPC scheme Master File.
|Compilation File||Specification available|
|Online view||English: Table of contents|
|French: Table of contents|
Download Section, Class and Subclass files
|English: A B C D E F G H|
|French: A B C D E F G H|
These files were generated by the IPCPUB software package for the Internet publication of the IPC.
|Online viewer||VIEW STATIC FILES IN ENGLISH (faster)|
|VIEW STATIC FILES IN FRENCH (faster)|
|Download zip files||English full package|
|French full package|
See detailed statistics page.
Access to IPC definitions.
|Online view||Merged file Read instructions|
|English definitions||English files for download|
|French definitions||French files for download|
List of IPC symbols defining the complete tree-structure of the IPC.
|Online view||IPC Valid symbols|
|Download zip files|
|IPC Complete valid symbols list: A B C D E F G H|
Exhaustive list of the symbols usable for the purpose of patent classification in the IPC and their associated date of introduction in the IPC or their associated version indicator ???.
|Current symbol list|
List of symbols that were ever used in any version of the IPC. The second column shows the date of creation of the symbols indicated in the first column. The third column shows the of expiration date of the symbol. If the symbol is still alive, the date of expiration is displayed as "-".
|Inventory of IPC ever used symbols|
|English full list: A B C D E F G H|
|French full list: A B C D E F G H|
List of IPC symbols referred to by each Definition of this IPC version. Each referring Definition is indicated by the symbol of the IPC Scheme where this Definition appears.
|List of IPC symbols referred to by IPC Definitions|
Files containing the IPC official scheme of this version, expanded with CPC subdivisions provided under the CPC official website on the first of the dates indicated in their filenames.
|CPC XML Scheme Files in IPC-like XML format||Specification available|
Files containing the IPC official scheme of this version, expanded with FI subdivisions as provided by the Japanese Patent Office on the first of the dates indicated in their filenames.
|FI XML Scheme Files in IPC-like XML format||Specification available|