Temporary unavailability of web services on 28/29 January

Owing to technical maintenance work, a number of EPO website services will be temporarily unavailable this weekend.

The outage will affect:

  • The EPO Online Services portal
  • Online Filing
  • Espacenet
  • the European patent register
  • Open Patent Services
  • discussion forums
  • online forms
  • the calendar of events and
  • the database of professional representatives.

The websites for Trilateral and IP5 co-operation and the Common Patent Classification (CPC) will also be affected on 28 January.

Quick Navigation