no
yes
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.
no
15 years
no
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 31 months from earliest priority date.
via Paris Convention : 6 months from earliest priority date.
yes
- Authorization Fee: None
- Annuity: The renewal fee is paid every 5 years. If the renewal fee is not paid within the time limit, it can be paid within the 6-month grace period and the penalty should be paid at the same time.
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.