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Temporary unavailability of some online services on 21 January 2017

Temporary unavailability of some online services on 21 January 2017

Due to technical maintenance work, the following online services will not be available between 08.00 and 12.00 hrs CET on 21 January 2017:

  • Espacenet patent search  
  • European Patent Register  
  • Open Patent Services

We apologise for any inconvenience.