Owing to technical maintenance work the following online services of the EPO will be temporarily unavailable on Monday, 13 April 2020, between 09.00 and 10.30 CET:
CMS & eOLF Services will not be disrupted.
We apologise for any inconvenience.
How to apply for a patent
Pay fees and claim refunds
Listen to our podcast
Calendar of events
in the lead
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