20 years
no
20 years
yes
1-2 years
via Paris Convention : 6 months from earliest priority date.
Reinstatement of priority is accepted on the grounds of "unintentional" and "unintentional/due care".
- 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, an invention can be converted into a utility model, and the converted application has the filing date of the initial application.
yes
yes