3-5 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
10 years
The DGIP conducts formal and substantive examinations of utility model patent applications.
3-5 years
no
no
20 years
- Authorization Fee: None
- Annual Fee: None
2-4 years