Filing Language: Japanese | |
| via Paris Convention | via Nationalization of PCT |
Necessary documents:
| Necessary documents:
|
Attachments (if any)
| Attachments (if any)
|
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 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 Once the original patent application is converted, it will be deemed withdrawn.
Reinstatement of priority is accepted on grounds of "due care."
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.
20 years, and the validity period of patents for pharmaceutical inventions and pesticide inventions can be extended to 25 years upon application.
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
3-6 months
Reinstatement of priority on grounds of "due care" accepted.
1-2 years