- 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.
 
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
 
12-14 months
2-3 years
- 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.
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 : 6 months from earliest priority date.
 - Hague Agreement route: 6 months from earliest priority date.
 - EU appearance route: 6 months from the earliest priority date.
 
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)
- Sequence Listing (PDF format and TXT format)
 - Certificate of Deposit of Microorganisms and its Portuguese translation
 - Certificate of Microbiological Survival and its Portuguese translation
 - 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
 - Sequence Listing (PDF format and TXT format)
 - Certificate of Deposit of Microorganisms and its Portuguese translation
 - Certificate of Microbiological Survival and its Portuguese translation
 - Power of Attorney
 - Declaration of Ownership/Certification of Employment/Assignment of priority
 - Assignment for Patent Right Transfer
 
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
 
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)