If the disclosure is caused by the designer, the novelty grace period is 12 months from the date of disclosure.
INPI only conducts formality examination of design patent applications.
- yes. A maximum of 100 designs may be included in one Portuguese design application, provided they belong to the same class in the International Design Classification.
 - 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.
 
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.
no
2-3 years
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
 
- via Paris Convention : 12 months from earliest priority date.
 - via Nationalization of PCT : 30 months from the earliest priority date.
 
20 years
Filing Language: Portuguese Necessary documents:
- Exterior Design Picture (Six Views)
 - A Brief Description
 
Attachments (if any):
- Power of Attorney
 - Certified Priority Document
 - Declaration of Ownership/Certification of Employment/Assignment of priority
 - Assignment for Patent Right Transfer