20 years
1 year
- Grant fee: The applicant shall pay the granted fee within 60 days after receiving the granted notice.
- Annuity: The annual fee is paid in two installments, once every five years. If the annual fee is overdue, it can be paid within a grace period of 6 months, and a 20% late fee is required.
yes
2-5 years
Yes, an invention can be converted into a utility model, and the converted application has the filing date of the initial application.
yes
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
no
- Grant fee: The granted fee should be paid within 60 days of the issuance of the granted notice.
- Annuity: The annual fee is paid in two installments. The annual fee for the first ten-year period must be paid when the application is accepted, and the annual fee for the second ten-year period must be paid before the expiration of the first ten-year period. If the annual fee is overdue, it can be paid within a grace period of 6 months, and a 20% late fee will be charged at the same time .
10 years