Patent Application Encyclopedia

25 years

• Grant fee: The applicant should submit a request and pay the corresponding fee within 2 months after receiving the granted notice.
• The annual fee shall be paid year by year starting from the fifth year from the date of application, and the grace period for late payment is 6 months.

20 years

Reinstatement of priority on grounds of "due care" accepted.

no

no

no

no

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.

IPOPHIL conducts formality examination and substantive examination of utility model patent applications, but only needs to meet the standards of novelty and practicality, and does not require inventive step.

• via Paris Convention : 12 months from earliest priority date.
• PCT filing route: 30 months from the earliest priority date.

yes. Prior to patent grant/rejection, the patent type can be converted from utility model to invention at the request of the applicant. Can only be converted once.

1-1.5 years

If the invention is disclosed intentionally or unintentionally by the applicant, or the disclosure is made with or without the consent of the applicant, a 12-month novelty grace period may be enjoyed.

no

no

• via Paris Convention : 12 months from earliest priority date.
• via Nationalization of PCT : 30 months from the earliest priority date.
• Validation of European Patent in EPO member states: within 3 months from the date of grant of the European patent.