https://www.epo.org/en/service-support/availability-online-services/temporary-unavailability-some-online-services-29
Temporary unavailability of some online services on 29 November 2025
Due to technical maintenance work, the following online services will not be available between 9.00 hrs and 11.00 hrs CET on Saturday, 29 November 2025
- European Patent Register
- Open Patent Services (OPS)
- Classic Espacenet
- Espacenet
We apologise for any inconvenience.