no
20 years
15 years
1 year
Formal examination and substantive examination are required.
no
- Grant fee: Pay the granted fee within 60 days after granted.
- Annuity: The starting date of the annual fee is the granted date, and the first annual fee is the annual fee for the first to fifth years.
no
15 years
Formal examination and substantive examination are required.
via Paris Convention : 6 months from earliest priority date.