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Last checked: 30/01/2019

Patents – Belgium

The procedure to follow for national validation of a European patent consists of the following steps:

  1. The European Patent Office (EPO) grants a European patent (EP) which designates Belgium.

  2. The EPO publishes the grant of the EP patent in its Bulletin and makes the B1 publication of the EP patent available to the public.

  3. The validation of the EP in Belgium depends of the language of the B1 publication:

    • If the B1 publication is in French or German, the EP patent automatically enters into force in Belgium.

    • If the B1 publication is in English, the patent holder has to file a translation of the B1 publication in a Belgian national language with the Belgian Intellectual Property Office (OPRI) within 3 months from the date of publication of the EP patent grant.

  4. In order to keep the EP patent into force in Belgium, the patent holder has to pay each year a renewal fee to OPRI (the maximal duration of an EP patent is 20 years from the date of filing of the EP patent application).

Currently, there is no validation fee for a European patent in Belgium. The annual maintenance fees for European patents validated in Belgium are available in this document.

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