no
The initial protection is 5 years, which can be renewed every 5 years, up to a maximum of 25 years.
The novelty grace period is 6 months before the filing date/priority date.
13 years
yes. The applicant can request to change the patent type from utility model to invention before the patent is granted.
4-12 months
- Grant fee: The applicant should pay the granted fee, registration fee and first annual fee within 4 months after receiving the granted decision.
- Annuity: pay year by year starting from the first year from the application date, the annual fee can be paid within a grace period of 6 months if the annual fee is overdue, and a 50% penalty must be paid at the same time.
no
no
1-3 years
12-18 months