International Patent Classification (IPC) - Reclassification Area

This is the official WEB site for IPC reclassification.

To return reclassification data for the IPC edition YYYYMM, you can:

  1. Use IPCRECLASS to submit online Result lists in conformity with the specifications explained in the Documentation folder.
  2. Use IPCRECLASS to do Online reclassification.

Reclassification Data: