Patent search before you file in India
A prior art search shows whether your invention is already known, before you spend money on a filing.
Quick answer
A patent search looks for earlier patents and publications that could block your invention for lack of novelty or inventive step. It cannot guarantee grant, but it helps you decide whether to file, how to draft claims and what to avoid.
What to search
- Indian patent applications and grants.
- International patent databases such as WIPO PATENTSCOPE and Google Patents.
- Research papers, product manuals and websites, because any public disclosure counts as prior art.
Last checked: 12 November 2026. This page is general information, not legal advice. Fees and rules change, so confirm on the official site before you file.
How to run a basic search
- Write the invention in one plain paragraph.
- List its key features and the problem it solves.
- Search by keywords and patent classification codes.
- Read the claims of close matches, not just the abstracts.
- Note how your invention differs from each.
Use the official sites directly. IP India has asked users not to scrape its portals with automated tools.
Limits of a search
- Applications filed in the last 18 months may not yet be visible.
- Language and wording differences can hide results.
- A professional search is more thorough but still not a guarantee.
Do not disclose first
Publishing, selling or showing your invention before filing can destroy novelty. File first, or file a provisional application.
Frequently asked questions
Is a patent search mandatory?
No, but filing without one risks wasted fees on an invention that is already known.
Are the databases free?
PATENTSCOPE, Google Patents and IP India’s public search are free to use.
Can a search prove my invention is patentable?
No. It reduces risk. The examiner decides after filing.
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Written by: Trademark Wale editorial team, with over 40 years of experience in trademark and IP work, serving 7000+ brands. Last updated: 12 November 2026.
Sources: IP India, Patents Act 1970 and Patents Rules, including the Patents (Amendment) Rules 2024. Confirm current fees on the official fee schedule.
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