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 2024

The 2024.05 version of the CPC scheme is now in force.

As announced, the 2024.05 version of the CPC scheme which was prereleased on 2 April 2024 is now in force.