6 months
10 years
via Paris Convention : 6 months from earliest priority date.
The DGIP conducts formal and substantive examinations of utility model patent applications.
20 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.
- Authorization Fee: None
- Annual Fee: None
10 years
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 31 months from earliest priority date.
2-4 years
The novelty grace period is 6 months before the filing date/priority date.