25 years
yes. Before the applicant receives the final decision, it may be proposed to change the type of invention from invention to utility model.
no
A novelty grace period of 6 months is available if:
- Disclosures caused at officially organized or officially sanctioned international exhibitions
- Disclosure resulting from being made public for reasons related to the misuse of the inventor or its predecessor owner
Reinstatement of priority is accepted on grounds of "due care."
Portuguese National Institute of Industrial Property
English: Portuguese Institute of Industrial Property, abbreviation: INPI
URL: https://inpi.justica.gov.pt/
Portuguese invention patent search: Pesquisa Online - Patentes (justica.gov.pt)
Reinstatement of priority is accepted on grounds of "due care."
- 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.
The initial protection is 6 years, which can be extended twice, up to a maximum of 10 years.
3 months
2-3 years