- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
- Characteristics of the Portuguese invention patent application process
- What are the requirements for the Portuguese invention patent application documents
- How long is the PCT period for Portuguese invention patent application
- Can the priority right of a utility model application in Portugal be restored?
- How long does it take to grant a utility model application in Portugal?
- What are the requirements for the utility model application documents in Portugal?
- Instructions for Authorization and Annual Fee of Portuguese Invention Patent Application
- Characteristics of the Portuguese design patent application process
- Instructions for authorization of utility model application and annual fee in Portugal
- Who is the Portuguese utility model patent authority?