4-12 months
no
The novelty grace period is 6 months before the filing date/priority date.
no
Reinstatement of priority is accepted on grounds of "due care".
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.
- via Paris Convention : 6 months from earliest priority date.
- Hague Agreement route: 6 months from earliest priority date.
The initial protection is 5 years, which can be renewed every 5 years, up to a maximum of 25 years.
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 31 months from earliest priority date.
Reinstatement of priority on grounds of "due care" accepted.
- 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 from the 3rd 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 the penalty is 50% of the annual fee of the year.