15 years
via Paris Convention : 6 months from earliest priority date.
no
yes
15 years
Indian invention patents need to undergo formality examination and substantive examination, and the applicant/anyone should submit a request for substantive examination within 48 months from the filing date.
3-8 years
20 years
no
no
The IPO conducts formal and substantive examinations of design patent applications. The substantive examination starts automatically, and the applicant does not need to submit a separate substantive examination request.