20 years
- How long is the PCT deadline for utility model applications in Portugal?
- Is a Portuguese industrial design application eligible for DAS?
- Whether the Portuguese invention patent application can be DAS
- Instructions for authorization of utility model application and annual fee in Portugal
- Can the priority right of a utility model application in Portugal be restored?
- Novelty grace period for utility model applications in Portugal
- Instructions for Authorization and Annual Fee of Portuguese Invention Patent Application
- Features of the Portuguese utility model patent application process
- Instructions for Authorization of Designs in Portugal and Annual Fees
- Novelty Grace Period for Portuguese Invention Patent Application