25 years
- Which is the competent authority for Japanese invention patent applications?
- How long is the PCT deadline for utility model applications in Japan?
- Novelty Grace Period for Japanese Invention Patent Application
- Whether a Japanese industrial design application can apply for a combined appearance
- Features of Japanese design patent application process
- How long is the protection period for utility model applications in Japan?
- How long is the protection period of industrial design in Japan?
- Is a utility model application in Japan eligible for DAS?
- How long is the PCT period for a Japanese invention patent application?
- Is Japanese Invention Patent Application Type Convertible?