IndiaFilings
Expert
Published on: Mar 28, 2026
Documents Required for Patent Registration
Patent filing has become increasingly popular in India due to the rising intellectual property rights awareness and Startup India Action Plan. In the Startup India Action Plan, eligible startups would receive a 80% rebate in patent filing fee to provide a boost to patent registered by Indian companies. Hence, there is tremendous interest amongst startups for obtaining patent registration and in this article, we look at the documents required for patent registration in India.
Filing Patent Application
While filing a patent application, provisional specifications or complete specifications can be filed by the applicant. The following is a list containing all documents that must be filed for patent registration:
- Patent application in Form-1.
- Proof of right to file application from the inventor. The proof of cight can either be an endorsement at the end of the application or a separate agreement attached with the patent application.
- Provisional specifications, if complete specifications are not available.
- Complete specification in Form-2 within 12 months of filing of provisional specification.
- Statement and undertaking under Section 8 in Form- 3, if applicable. Form 3 can be filed along with the application or within 6 months from the date of application.
- Declaration as to inventorship in Form 5 for applications with complete specification or a convention application or a PCT application designating India. Form-5 or Declaration as to inventorship can be filed within one month from the date of filing of application, if a request is made to the Controller in Form-4.
- Power of authority in Form-26, if patent application is being filed by a Patent Agent. In case a general power of authority, then a self attested copy of the same can be filed by the Patent Agent or Patent Attorney.
- Priority document must be filed in the following cases:
- Convention Application (under Paris Convention).
- PCT National Phase Application wherein requirements of Rule 17.1(a or b) of hasnot been fulfilled.
- Note: Priority document must be filed along with the application or before the expiry of eighteen months from the date of priority, to enable early publication of the application.
