- Grant fee: Pay the granted official fee within 3 months after receiving the granted notice (no extension possible).
- Annuity: The annual fee is calculated from the first year, and the annual fee should be paid within 3 months after receiving the granted notice. The payment deadline for subsequent annual fees is the day before the announcement date of each year. If the annual fee is overdue, the payment can be postponed within the grace period of 6 months, and the penalty should be paid at the same time.
If the invention is disclosed intentionally or unintentionally by the applicant, or the disclosure is made with or without the consent of the applicant, a 12-month novelty grace period may be enjoyed.
no
via Paris Convention : 12 months from earliest priority date.
no
no
2 years
20 years
6 months
no
15 years