20 years
INPI conducts formality examination and substantive examination of invention patent applications. Substantive examination begins automatically, without the need to file a separate request.
- Licensing Fee: None.
- Annuity: pay once every 5 years, and must be paid within 6 months before the due date of the application. If the annual fee is overdue, it can be paid within a grace period of 6 months, and a 50% penalty is required.
3 months
2-3 years
no
yes. Before the applicant receives the final decision, it may be proposed to change the type of invention from invention to utility model.
Portuguese National Institute of Industrial Property
English: Portuguese Institute of Industrial Property (INPI)
URL: https://inpi.justica.gov.pt/
Portuguese Utility Model Patent Search: Pesquisa Online - Patentes (justica.gov.pt)
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
- Validation of European Patent in EPO member states: within 3 months from the date of granted of the European invention.
INPI only conducts formality examination of design patent applications.
INPI only conducts formality examination of utility model patent applications. Substantive examination may only be requested if the applicant deems it necessary. An invention protected by a patent can be protected simultaneously or successively with a utility model. To this end, applicants have a maximum of 1 year to make changes.