- 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 utility model application eligible for DAS in Portugal?
- Is a Portuguese industrial design application eligible for DAS?
- Instructions for Authorization of Designs in Portugal and Annual Fees
- How long does it take for a Portuguese invention patent application to be granted?
- Instructions for authorization of utility model application and annual fee in Portugal
- Novelty grace period for utility model applications in Portugal
- Instructions for Authorization and Annual Fee of Portuguese Invention Patent Application
- What are the requirements for the utility model application documents in Portugal?
- How long is the PCT period for Portuguese invention patent application
- Novelty Grace Period for Portuguese Invention Patent Application