20 years
- How long is the PCT deadline for utility model applications in Portugal?
- Characteristics of the Portuguese invention patent application process
- What are the requirements for the design application documents in Portugal?
- Is a Portuguese industrial design application eligible for DAS?
- How long does it take to grant a utility model application in Portugal?
- How many years is the protection period of Portuguese invention patent application
- How long does it take to authorize an industrial design in Portugal?
- Instructions for Authorization and Annual Fee of Portuguese Invention Patent Application
- Can the priority right of a utility model application in Portugal be restored?
- How many years is the protection period for utility model applications in Portugal?