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.
01 January 2018
The 2018.01 version of the CPC scheme is now in force.
The 2018.02 version of the CPC scheme is now available in the pre-release area.