Temporary unavailability of several online services on 02 September 2021

Owing to technical maintenance work the following online services of the EPO will be temporarily unavailable or with irregular behavior and limited functionalities on Thursday, 02 September 2021 between 20.00 and 24.00 hrs CET:

  • European Patent Register
  • Classic Espacenet
  • Open Patent Services
  • Third-party observations
  • One Portal Dossier
  • IP5 Dossier access

We apologise for any inconvenience.

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