2-4 years
Reinstatement of priority is accepted on grounds of "due care."
no
2-4 years
yes
no
The PPO conducts formal and substantive examinations of invention patent applications. There is no need to file a request for substantive examination, and the substantive examination starts automatically.
yes
1-6 months
- Grant fee: The applicant should pay the granted fee, announcement fee and the first annual fee (that is, the annual fee for the first to third years) within 3 months after receiving the notification of the granted decision.
- Annuity: Pay year by year in the first year from the date of application. Overdue annual fee can be paid within a grace period of 6 months. At the same time, 30% of the year's annual fee will be paid as a late fee.
The PPO only conducts formality examination of utility model patent applications, only examines novelty and industrial applicability, and does not examine inventive step.