| Filing Language: Japanese |
Necessary documents:
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Attachments (if any):
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yes
The JPO conducts formality examination only for utility model patent applications.
- 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 Invention Patent Search: Japan Platform for Patent Information｜J-PlatPat [JPP] (inpit.go.jp)
3-6 months
yes
- via Paris Convention : 6 months from earliest priority date.
- Hague Agreement route: 6 months from earliest priority date.
yes. Within 3 years from the date of application, or within 3 months from the date of receipt of the rejection decision, the patent type can be changed from design to invention/utility model at the request of the applicant.
A conversion fee shall be paid for patent type conversion. Once the original patent application is converted, it will be deemed withdrawn.
25 years
5-7 months