20 years
- Novelty Grace Period for Vietnam Invention Patent Application
- Novelty Grace Period for Utility Model Applications in Vietnam
- Instructions for Authorization of Utility Model Application and Annual Fee in Vietnam
- What are the requirements for the design application documents in Vietnam?
- What are the requirements for utility model application documents in Vietnam?
- How long is the PCT deadline for utility model applications in Vietnam?
- Whether the type of Vietnam invention patent application can be converted
- What are the requirements for Vietnam invention patent application documents
- How long is the PCT period for Vietnam invention patent application
- How long is the protection period of Vietnamese invention patent application