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 February 2019
The 2019.02 version of the CPC scheme is now in force.
CPC open linked Data is now accessible.