no
12-18 months
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 31 months from earliest priority date.
20 years, inventions of pharmaceuticals, agrochemicals and pesticides can enjoy a maximum patent term extension of 5 years.
Reinstatement of priority on grounds of "due care" accepted.
yes. The applicant may request that the patent application be changed from an invention to a utility model before the publication of the patent application but no later than the grant decision.
no
yes. The applicant can request to change the patent type from utility model to invention before the patent is granted.
Grant fee: The applicant should pay the granted fee, registration fee and first renewal fee within 2 months after receiving the granted decision.
Annuity: From the third year onwards from the date of application, it shall be paid year by year. The renewal fee should be paid within the last year of the current 5-year validity period, and 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.
- via Paris Convention : 6 months from earliest priority date.
- Hague Agreement route: 6 months from earliest priority date.
no