20 years
- Novelty grace period for utility model applications in Portugal
- Can the priority right of Portuguese invention patent application be restored?
- Instructions for Authorization and Annual Fee of Portuguese Invention Patent Application
- How long is the period for filing an industrial design application in Portugal?
- Characteristics of the Portuguese design patent application process
- How long does it take to grant a utility model application in Portugal?
- Is a Portuguese Utility Model Application Convertible?
- What are the requirements for the Portuguese invention patent application documents
- Instructions for authorization of utility model application and annual fee in Portugal
- Which is the competent authority for patent applications for inventions in Portugal?