Patent requirements


India patent application requirements and general information

1.- Documents required for filing of Patent Application in India 

– Patent Filing service form.
– Patent specifications (abstract, description, claims and drawings) in English and in Word format.
– Copy of any amendment made to the patent specifications if it applies.
– Copy of the priority document, PCT application number or ISR (International search report) if it applies.
– Payment upfront.
– Power of attorney signed. The template of this document will be sent once the service request is confirmed.

2.- General information India

-Priority: The time limit for the PCT national phase entry is 31 months from the earliest date of priority. For national filings (non-PCT) the term for filing the application claiming priority is 12 months from the priority date. Restoration of this term is not possible.

-Examination: The “2. Request for examination” must be filed within 4 years from the priority date.

-Maintenance: Annuities must be paid along with the granting notification, after this must be paid each subsequent year.

-Patent term: 20 years from the date of filing of the application or the international filing date.


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