3 months
2-3 years
- 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.
no
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)
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.
20 years
The initial protection is 6 years, which can be extended twice, up to a maximum of 10 years.
yes. Before the applicant has received a final decision, an application to change the type of invention from a utility model to an invention may be proposed.
25 years