- 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 design application documents in Portugal?
- Who is the Portuguese utility model patent authority?
- Instructions for authorization of utility model application and annual fee in Portugal
- Is a Portuguese Utility Model Application Convertible?
- How long does it take to authorize an industrial design in Portugal?
- Instructions for Authorization and Annual Fee of Portuguese Invention Patent Application
- Can the priority right of Portuguese invention patent application be restored?
- How long does it take for a Portuguese invention patent application to be granted?
- Instructions for Authorization of Designs in Portugal and Annual Fees
- What are the requirements for the Portuguese invention patent application documents