no
The DGIP conducts formal and substantive examinations of utility model patent applications.
no
20 years
10 years
DGIP conducts formality examination and substantive examination of invention patent applications. The applicant should submit a request for substantive examination within 36 months from the filing date/priority date.
no
via Paris Convention : 6 months from earliest priority date.
no
6 months
3-5 years