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.