- via Paris Convention : 6 months from earliest priority date.
- Hague Agreement route: 6 months from earliest priority date.
yes
Japan Patent Office
English: Japan Patent Office, abbreviation: JPO
Website: Japan Patent Office (jpo.go.jp)
Japanese Invention Patent Search: Japan Platform for Patent Information｜J-PlatPat [JPP] (inpit.go.jp)
- via Paris Convention : 6 months from earliest priority date.
- Hague Agreement route: 6 months from 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)
yes.
- Within the period of 9 years and 6 months from the date of application for the invention patent, or within 3 months from the date of receipt of the notification of rejection, the patent type of the invention patent may be changed from invention to utility model/design upon request
- A request to change the patent type from invention to utility model/design can be filed within three months from the date of the JPO’s first decision to reject the application
A conversion fee shall be paid for patent type conversion. Once the original patent application is converted, it will be deemed withdrawn.
yes
The design does not lose its novelty if it is disclosed by the designer in Japan within 12 months from the filing date/priority date.
20 years, and the validity period of patents for pharmaceutical inventions and pesticide inventions can be extended to 25 years upon application.
The JPO conducts formality examination only for utility model patent applications.
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.