- 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.
- Is a Portuguese industrial design application eligible for DAS?
- 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 to authorize an industrial design in Portugal?
- Who is the Portuguese utility model patent authority?
- Instructions for Authorization of Designs in Portugal and Annual Fees
- How many years is the protection period for utility model applications in Portugal?
- How many years is the protection period of Portuguese invention patent application
- Is a utility model application eligible for DAS in Portugal?
- Novelty grace period for utility model applications in Portugal