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 Once the original patent application is converted, it will be deemed withdrawn.
yes.
- Within 3 years from the filing date, the patent type can be changed from utility model to invention upon request of the applicant
- Utility model patents can be converted to design patents at any time
A conversion fee shall be paid for patent type conversion. Once the original patent application is converted, it will be deemed withdrawn.
25 years
Reinstatement of priority on grounds of "due care" accepted.
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)
Inventors have a novelty grace period of 12 months after disclosure (including sale).
- 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.
1-2 years
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
yes
- via Paris Convention : 6 months from earliest priority date.
- Hague Agreement route: 6 months from earliest priority date.