Filing Language: Japanese | |
| via Paris Convention | via Nationalization of PCT |
Necessary documents:
| Necessary documents:
|
Attachments (if any)
| Attachments (if any)
|
3-6 months
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)
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
The JPO conducts formality examination only for utility model patent applications.
Inventors have a novelty grace period of 12 months after disclosure (including sale).
20 years, and the validity period of patents for pharmaceutical inventions and pesticide inventions can be extended to 25 years upon application.
yes
yes
Reinstatement of priority is accepted on grounds of "due care."
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.