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European patent validation in Portugal

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Detailed information related to the European Patent.

  • Translation into Portuguese

The translation of a European patent specification into Portuguese must be filed within three months from publication of the decision to grant a European Patent. The term may be extended by one month provided that a surcharge calculated with reference to the national patent filing fee is paid. The translation must be certified by a professional representative accredited by the National Industrial Property Institute.

  • Validation fees

The fees associated with validation of a European patent in Portugal are available in the fee calculator.

  • Maintenance fees

The due date for payment of the renewal fees for a European patent validated in Portugal is the anniversary of the filing date. Payment cannot be made more than 6 months in advance. Late payment is possible within 6 months after the due date provided that a 50% surcharge is paid.

The first annual fee in the validation year may be paid within 3 months after the filing date anniversary following the date of validation.

  • Representation by a patent attorney

For foreign applicants, it is recommended to appoint a registered patent attorney for representation before the Portuguese National Industrial Property Office (INPI).

Brief summary is based on the information provided by ACOPAT on 09.02.2024
Please contact us if the above information is not in conformity with Portuguese IP Laws.