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 July 2014
The 2014.07 version of the CPC Scheme is now in force.
1 June 2014
Important notice regarding the discontinuation of the "non-interleaved" presentation of the CPC Scheme.