https://www.epo.org/en/service-support/availability-online-services/temporary-unavailability-some-online-services-15-0
Temporary unavailability of some online services on 15 November 2025
Due to technical maintenance work, the following online services will not be available between 09.00 hrs and 11.00 hrs CET on Saturday, 15 November 2025
- European Patent Register
- One Portal Dossier
- IP5 Global Dossier
- Open Patent Services (OPS)
- Classic Espacenet
We apologise for any inconvenience.