The latest version (2023.08) of the Cooperative Patent Classification (CPC) scheme came into force on 1 August 2023.
For specific information on which areas have been revised, visit the "Revisions" pages of the CPC website: https://www.cooperativepatentclassifica ... rereleases
EPO's Data Services Team
AUGUST 2023: New CPC scheme entered into force on 1 August
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