Temporary unavailability of several online services on 13 May 2023

Owing to technical maintenance work the following online services of the EPO will be temporarily unavailable or with irregular behavior on Saturday, 13 May 2023 between 08:30 and 12:00 hrs CET:

European Patent Register
Classic Espacenet
Open Patent Services

We apologise for any inconvenience.

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Temporary unavailability of several online services on 13 May 2023

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