- 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?
- Novelty grace period for industrial design applications in Portugal
- Features of the Portuguese utility model patent application process
- How many years is the protection period for utility model applications in Portugal?
- How long is the PCT deadline for utility model applications in Portugal?
- What are the requirements for the Portuguese invention patent application documents
- How long is the period for filing an industrial design application in Portugal?
- Characteristics of the Portuguese invention patent application process
- Novelty grace period for utility model applications in Portugal
- Instructions for Authorization of Designs in Portugal and Annual Fees