via Paris Convention : 6 months from earliest priority date.
20 years
no
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 outThe patent enjoys a novelty grace period within 12 months from the filing date or the priority date.
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.
Indian Patent Office
English: Indian Patent Office, abbreviation: IPO
Website: www.ipindia.gov.in
Indian Invention Patent Search: Intellectual Property India (ipindiaservices.gov.in)
no
3-8 years
no
no