According to Article 63 of the European Patent Convention (EPC),
(1) The term of the European patent shall be 20 years from the date of filing of the application.
(2) Nothing in the preceding paragraph shall limit the right of a EPC Contracting State to extend the term of a European patent, or to grant corresponding protection which follows immediately on expiry of the term of the patent, under the same conditions as those applying to national patents: