https://www.epo.org/en/node/validation

National validation

National validation in the EPC contracting states

Under Article 2(2) EPC, a European patent shall, in each of the contracting states for which it is granted, have the effect of and be subject to the same conditions as a national patent granted by that state, unless otherwise provided in the EPC.

As regards national translation requirements, please consult Table IV of the EPO brochure "National law relating to the EPC" and the page "London Agreement".

National validation in the extension/validation states

Under the national law of the extension and validation states, a European patent extended to or validated in those states has the effect of a national patent granted by the relevant state and is subject to the same conditions.

As regards national translation requirements, please consult Table IV of the EPO brochure "National law relating to the EPC".