2-3 years
- Characteristics of the Portuguese invention patent application process
- Characteristics of the Portuguese design patent application process
- How long is the period for filing an industrial design application in Portugal?
- Novelty grace period for utility model applications in Portugal
- What are the requirements for the Portuguese invention patent application documents
- Instructions for authorization of utility model application and annual fee in Portugal
- Novelty grace period for industrial design applications in Portugal
- Novelty Grace Period for Portuguese Invention Patent Application
- Instructions for Authorization of Designs in Portugal and Annual Fees
- How many years is the protection period for utility model applications in Portugal?