25 years
- Characteristics of the Portuguese invention patent application process
- Is a Portuguese industrial design application eligible for DAS?
- Novelty grace period for utility model applications in Portugal
- Novelty grace period for industrial design applications in Portugal
- How many years is the protection period for utility model applications in Portugal?
- Is a utility model application eligible for DAS in Portugal?
- How long is the PCT period for Portuguese invention patent application
- Whether the Portuguese invention patent application can be DAS
- How long does it take for a Portuguese invention patent application to be granted?
- Instructions for Authorization of Designs in Portugal and Annual Fees