25 years
- Characteristics of the Portuguese design patent application process
- Instructions for authorization of utility model application and annual fee in Portugal
- Whether the Portuguese invention patent application can be DAS
- Characteristics of the Portuguese invention patent application process
- Who is the Portuguese utility model patent authority?
- How many years is the protection period of Portuguese invention patent application
- Novelty grace period for industrial design applications in Portugal
- Can the priority right of Portuguese invention patent application be restored?
- How long is the PCT deadline for utility model applications in Portugal?
- Instructions for Authorization and Annual Fee of Portuguese Invention Patent Application