What are the requirements for the Portuguese invention patent application documents

12-14 months

no

• Licensing Fee: None.
• Annuity: From the 5th year onwards from the date of application, it will be paid year by year. The application fee includes annual fees for the first and second years. There is no annual fee for the third and fourth years, but the applicant needs to notify INPI for renewal in the third and fourth years. All subsequent annual fees must be paid within six months before the date corresponding to the year of application. Overdue annual fees can be paid within a 6-month grace period, and 50% of the annual fee of the current year is required to be paid as a penalty.

• 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.

25 years

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.

• via Paris Convention : 12 months from earliest priority date.
• via Nationalization of PCT : 30 months from the earliest priority date.

yes. Before the applicant receives the final decision, it may be proposed to change the type of invention from invention to utility model.