25 years
- Can the priority right of Portuguese invention patent application be restored?
- Instructions for authorization of utility model application and annual fee in Portugal
- How many years is the protection period of Portuguese invention patent application
- What are the requirements for the utility model application documents in Portugal?
- Whether the Portuguese invention patent application can be type-converted
- What are the requirements for the design application documents in Portugal?
- Instructions for Authorization of Designs in Portugal and Annual Fees
- Novelty Grace Period for Portuguese Invention Patent Application
- Instructions for Authorization and Annual Fee of Portuguese Invention Patent Application
- How long is the period for filing an industrial design application in Portugal?