- 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.
- no 
- yes 
- In India, if: - - the details of the patent are disclosed without the consent of the inventor or any person entitled to the details 
 - Disclosed in communications with the government regarding previous investigations into the invention or its merits
 - Publication at industrial or other exhibitions sanctioned by the Central Government of India
 - describe or use the invention in any such exhibition without the consent of the inventor or its proprietor
 - a description of the invention in a press intended for or used by the Society
 - the applicant, the applicant's successor, or an individual with the consent of the above-mentioned parties, disclosed in the public work when the reasonableness test is carried out- The patent enjoys a novelty grace period within 12 months from the filing date or the priority date. 
- Indian Patent Office - English: Indian Patent Office, abbreviation: IPO - Website: www.ipindia.gov.in - Indian Invention Patent Search: Intellectual Property India (ipindiaservices.gov.in) 
- via Paris Convention : 6 months from earliest priority date. 
- 15 years 
- no 
- 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. 
- 7 months 
- 3-8 years 
