- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
- What are the requirements for the utility model application documents in Portugal?
- Instructions for Authorization of Designs in Portugal and Annual Fees
- 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?
- How many years is the protection period for utility model applications in Portugal?
- How long does it take for a Portuguese invention patent application to be granted?
- Who is the Portuguese utility model patent authority?
- Characteristics of the Portuguese invention patent application process
- How many years is the protection period of Portuguese invention patent application
- Instructions for authorization of utility model application and annual fee in Portugal