Reinstatement of priority is accepted on grounds of "due care."
- 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.
yes. Multiple designs may be included in one design application.
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 Once the original patent application is converted, it will be deemed withdrawn.
The JPO conducts formality examination only for utility model patent applications.
Reinstatement of priority on grounds of "due care" accepted.
3-6 months
Inventors have a novelty grace period of 12 months after disclosure (including sale).
1-2 years
10 years
Reinstatement of priority is accepted on grounds of "due care."