- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
- Who is the Portuguese utility model patent authority?
- Can the priority right of Portuguese invention patent application be restored?
- How long does it take for a Portuguese invention patent application to be granted?
- Features of the Portuguese utility model patent application process
- What are the requirements for the design application documents in Portugal?
- How long is the term of protection of industrial design in Portugal?
- Instructions for Authorization and Annual Fee of Portuguese Invention Patent Application
- How many years is the protection period of Portuguese invention patent application
- Can the priority right of a utility model application in Portugal be restored?
- Whether a Portuguese industrial design application can apply for a combined appearance