IPC - Technology Concordance Table

The WIPO technology concordance table links the International Patent Classification (IPC) symbols with thirty-five fields of technology. The concordance table is updated on a regular basis to reflect revisions to the IPC.
 

Last update date: January 2013

 

The latest version of the concordance table is available in an Excel file [XLS]

The concept and methodology used to develop the concordance as well as the initial version of the concordance table are presented in a PDF document  [PDF]