20 years
no
20 years
no
If the following situations occur 12 months before the patent application/priority date by the inventor, applicant or assignee:
- By correspondence, or publicly at national or international exhibitions
Disclosure due to malicious disclosure by a third party
The novelty grace period can be enjoyed, and the applicant needs to submit corresponding evidence support when submitting the application.
yes. It is possible to change the patent type from utility model to invention within 30 days of receiving the grant/rejection decision, and pay the corresponding fee.
1-2 years
- via Paris Convention : 6 months from earliest priority date.
- Hague Agreement route: 6 months from earliest priority date.
A 12-month novelty grace period is available if the design is disclosed by the applicant or the applicant's agent.
For the design of partial substantive examination, multiple designs can be included in one design application, but the designs must belong to the same class in the international design classification.
10 years