https://www.epo.org/en/node/parts-epo-website-may-be-unavailable-21-november

Parts of the EPO website may be unavailable on 21 November

Parts of the EPO website are undergoing technical maintenance and may be temporarily unavailable between 18.00 and 22.00 hrs CET on Tuesday 21 November 2023.

We apologise for the inconvenience.