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European Route

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European patents are granted for some or all of the contracting states to the European Patent Convention (EPC).They can also be extended to the current extension and validation states.

How to apply for a European patent

This guide provides basic information about the steps involved in the European patent granting procedure.

You can also follow our e-learning guide "How to get a European patent".

Extension/validation request

At the request of the applicant/owner, European patent applications and patents may be extended to or validated in third countries for which an extension or validation agreement has entered into force.


Opponents have up to nine months after grant in which they can challenge a European patent by filing an opposition with the EPO.

National validation

Some EPC contracting states, as well as extension and validation states, require a translation of the granted patent in their language for validation purposes.


Decisions taken by the Receiving Section, examining and opposition divisions, and the Legal Division are appealable. Appeals are decided by independent boards of appeal.

Read 768 times Last modified on Monday, 27 November 2017 10:10