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
News
21 October 2020
In 2021, newly released versions of the CPC scheme enter into force:
- 1 January 2021 (CPC2021.01)
- 1 February 2021 (CPC2021.02)
- 1 May 2021 (CPC2021.05)
- 1 August 2021 (CPC2021.08)
