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
20 years
3 months
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)
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
 
- 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.
 Filing Language: Portuguese
via Paris Convention via Nationalization of PCT Necessary documents:
- Abstract
 - Abstract Drawing
 - Claim
 - Specification
 - Drawing
 
Necessary documents:
- Abstract
 - Abstract Drawing
 - Claim
 - Specification
 - Drawing
 
Attachments (if any)
- Power of Attorney
 - Certified Priority Document
 - Declaration of Ownership/Certification of Employment/Assignment of priority
 - Assignment for Patent Right Transfer
 - Notification issued by CNIPA notify the applicant the application has passed through the security review
 
Attachments (if any)
- WIPO Publication
 - ISR/IPRP
 - Enter the Portuguese national phase 19/28/34/41 Amendments
 - Power of Attorney
 - Declaration of Ownership/Certification of Employment/Assignment of priority
 - Assignment for Patent Right Transfer
 
Reinstatement of priority is accepted on grounds of "due care."
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.