20 years
- What are the requirements for the utility model application documents in Portugal?
- How long does it take to authorize an industrial design in Portugal?
- Novelty grace period for utility model applications in Portugal
- Novelty Grace Period for Portuguese Invention Patent Application
- Which is the competent authority for patent applications for inventions in Portugal?
- Instructions for Authorization and Annual Fee of Portuguese Invention Patent Application
- How long is the PCT period for Portuguese invention patent application
- Characteristics of the Portuguese design patent application process
- Features of the Portuguese utility model patent application process
- How long does it take for a Portuguese invention patent application to be granted?