- 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.
- Can the priority right of a utility model application in Portugal be restored?
- How long is the term of protection of industrial design in Portugal?
- How long does it take to authorize an industrial design in Portugal?
- Instructions for authorization of utility model application and annual fee in Portugal
- How long is the PCT period for Portuguese invention patent application
- How long is the PCT deadline for utility model applications in Portugal?
- How long does it take for a Portuguese invention patent application to be granted?
- Can the priority right of Portuguese invention patent application be restored?
- Instructions for Authorization of Designs in Portugal and Annual Fees
- Is a Portuguese industrial design application eligible for DAS?