- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
- Instructions for authorization of utility model application and annual fee in Portugal
- Who is the Portuguese utility model patent authority?
- Instructions for Authorization of Designs in Portugal and Annual Fees
- Features of the Portuguese utility model patent application process
- What are the requirements for the Portuguese invention patent application documents
- Can the priority right of Portuguese invention patent application be restored?
- How many years is the protection period of Portuguese invention patent application
- How long does it take to authorize an industrial design in Portugal?
- Whether a Portuguese industrial design application can apply for a combined appearance
- How many years is the protection period for utility model applications in Portugal?