https://www.epo.org/en/service-support/availability-online-services/temporary-unavailability-open-patent-service-ops
Temporary unavailability of Open Patent Service (OPS) on Wednesday 12 March 2025
Due to technical maintenance work, Open Patent Service will not be available between 19:00 and 19:30 CET on Wednesday, 12 March 2025
We apologise for any inconvenience.