10 years
- Inventions under the via Paris Convention : 12 months from the earliest priority date.
- via Nationalization of PCT inventions: 30 months from the earliest priority date.
Japan Patent Office
English: Japan Patent Office, abbreviation: JPO
Website: Japan Patent Office (jpo.go.jp)
Japanese Utility Model Patent Search: Japan Platform for Patent Information｜J-PlatPat [JPP] (inpit.go.jp)
The JPO conducts formality examination only for utility model patent applications.
- via Paris Convention : 6 months from earliest priority date.
- Hague Agreement route: 6 months from earliest priority date.
Inventors have a novelty grace period of 12 months after disclosure (including sale).
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
20 years, and the validity period of patents for pharmaceutical inventions and pesticide inventions can be extended to 25 years upon application.
10 years
- Grant fee: The applicant needs to pay the granted fee within 30 days after receiving the granted notice, which is the annual fee for the first to third years.
- Annuity: From the 4th year from the date of granted, the annual fee will be paid year by year, and the payment can be postponed within 6 months after the overdue period, but at the same time, 200% of the annual fee of the current year must be paid as a penalty. The amount of the annual fee depends on the number of Claim, and the annual fee can be paid for several years in one lump sum.
yes