Temporary unavailability of several online services on 28 May 2022

Owing to technical maintenance work the following online services of the EPO will be temporarily unavailable or with irregular behavior on Saturday, 28 May 2022 between 12:00 and 16:00 hrs CET:

  • European Patent Register
  • Classic Espacenet
  • Open Patent Service

We apologise for any inconvenience.

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