- 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 Portuguese invention patent application be restored?
- How long does it take for a Portuguese invention patent application to be granted?
- Whether a Portuguese industrial design application can apply for a combined appearance
- How long does it take to grant a utility model application in Portugal?
- How long does it take to authorize an industrial design in Portugal?
- How many years is the protection period for utility model applications in Portugal?
- Novelty grace period for industrial design applications in Portugal
- Which is the competent authority for patent applications for inventions in Portugal?
- How long is the period for filing an industrial design application in Portugal?
- How long is the PCT deadline for utility model applications in Portugal?