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.
20 years
The DGIP conducts formal and substantive examinations of utility model patent applications.
no
10 years
no
10 years
yes. One or a series of designs may be included under the same category.
no
The novelty grace period is 6 months before the filing date/priority date.