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The grant and validation steps of a European patent

Grant

Upon grant, within 4 months from receipt of the notification about intention to grant:

  • the granted claims must be translated into the two other official languages of EPO (French and German when the procedure was in English), and
  • the official fee for grant and printing has to be paid

Validation

Once the European patent is granted, it is necessary to validate it in the designated countries of interest.

Translation requirements after grant can be found here.

When a validation step is required, it is only the filing of a translation, sometimes with the payment of an official fee, but there is no more examination of the patent.

After grant, renewal fees must be paid before the national offices, even where no validation step is required.

Map of countries of the European Patent and of the London Agreements