EPO and USPTO launched the Cooperative Patent Classification System

The CPC is the result of a partnership between the EPO and the USPTO in their joint effort to develop a common, internationally compatible classification system for technical documents, in particular patent publications, which will be used by both offices in the patent granting process


1 May 2023

The 2023.05 version of the CPC scheme is now in force.

As announced, the 2023.05 version of the CPC scheme which was prereleased on 4 April 2023 is now in force.