The JPO conducts formality examination and substantive examination of invention patent applications. The applicant should submit a request for substantive examination within 3 years from the filing date. The JPO makes an granted decision if it determines after review that no grounds for refusal have been found.
Reinstatement of priority on grounds of "due care" accepted.
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
yes
10 years
The JPO conducts formality examination only for utility model patent applications.
1-2 years
yes. Multiple designs may be included in one design application.
20 years, and the validity period of patents for pharmaceutical inventions and pesticide inventions can be extended to 25 years upon application.
25 years
- via Paris Convention : 6 months from earliest priority date.
- Hague Agreement route: 6 months from earliest priority date.