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Patent Registration in India: Process, Cost & Timeline
A patent is a legal monopoly — the exclusive right, for twenty years, to make, use and sell an invention, in exchange for disclosing how it works. For a startup or inventor, it can be the most valuable asset the business owns. But a patent is only as good as the filing behind it: file late, disclose publicly first, or draft the claims poorly, and the protection can be lost.
India's patent system is governed by the Patents Act, 1970, and administered by the Indian Patent Office. The process rewards moving early and carefully — an early filing date secures priority, a provisional application buys time, and a well-drafted specification defines exactly what you own.
This guide explains what can be patented, the difference between provisional and complete specifications, the filing and examination process, timelines and cost, and how to protect an invention internationally. It is general information, not advice on your specific invention.
1. What can be patented (and what cannot)
To be patentable in India an invention must satisfy three tests: novelty (it must be new and not already disclosed anywhere in the world), an inventive step (it must not be obvious to a person skilled in the field), and industrial applicability (it must be capable of being made or used in an industry).
Crucially, certain things are excluded by Sections 3 and 4 of the Patents Act — including mere discoveries, abstract ideas, mathematical or business methods, computer programs per se, methods of medical treatment, and inventions contrary to public order or morality. Software and business models therefore face particular hurdles. And because novelty is destroyed by prior public disclosure, you must file before you publish, present, or sell.
- Novelty + inventive step + industrial applicability = patentable.
- Excluded (S.3/4): abstract ideas, business methods, software per se, methods of treatment.
- Public disclosure before filing destroys novelty — file first.
2. Provisional vs complete specification
You can file a provisional specification first — a preliminary description that secures your priority date while the invention is still being developed. It gives you twelve months to file the complete specification, and it is a common, cost-effective way for startups to lock in an early date before the full technical detail is finalised.
The complete specification is the full document with the claims that legally define the scope of protection. If you are ready, you can file the complete specification directly. Either way, the quality of the claims is what determines how strong and enforceable the patent is — this is the part where professional drafting matters most.
3. The filing process
Filing begins with a prior-art search to check novelty, then submission of the application (Form 1) with the specification (Form 2), a statement and undertaking regarding foreign filings (Form 3), and, for a startup or small entity, the relevant proof to claim reduced fees. Applicants who need speed can request expedited examination in eligible categories.
The application can be filed by the inventor or an assignee (for a startup, the company should be the applicant, with the inventors assigning rights to it). Getting the applicant, forms, and entity status right at filing avoids problems later.
- Prior-art / patentability search first.
- Form 1 (application) + Form 2 (specification) + Form 3 (foreign-filing statement).
- Startups/small entities pay reduced official fees with the right proof.
- The company (not the individual) should usually be the applicant.
4. Publication, examination and grant
The application is published in the Patent Office journal after eighteen months (early publication can be requested). Examination is not automatic — you must file a Request for Examination (Form 18) within forty-eight months of the priority date, or the application is treated as withdrawn. The examiner then issues a First Examination Report (FER) raising objections, to which you must respond, usually within the prescribed period.
Once objections are resolved (sometimes after a hearing), the patent is granted and published. The term of a patent in India is twenty years from the date of filing, subject to payment of annual renewal fees. Miss the examination-request window or the renewal fees, and the patent can be lost.
- Publication after 18 months (or on request).
- Request for Examination (Form 18) within 48 months — mandatory, or the application lapses.
- First Examination Report → responses → possible hearing → grant.
- Term: 20 years from filing, subject to renewal fees.
5. Cost, timeline and international protection
Official fees are tiered — a natural person, startup, or small entity pays significantly less than a large entity — and are separate from professional drafting and prosecution charges, which vary with the complexity of the invention. The process from filing to grant commonly takes a few years, though expedited examination can shorten it.
A patent is territorial: an Indian patent protects you only in India. To protect an invention abroad you typically file a Patent Cooperation Treaty (PCT) application within twelve months of your priority date, which preserves your date across most countries while you decide where to pursue national patents. Because so much turns on timing, claim drafting, and entity status, this is specialist work — your case assessment on NyaySevak is free, and we match you with an IP practitioner.
Key Takeaways
- •A patent gives a 20-year monopoly over an invention that is novel, involves an inventive step, and is industrially applicable — but public disclosure before filing destroys novelty, so file first.
- •A provisional specification secures your priority date and gives you 12 months to file the complete specification with the claims that define your protection.
- •Filing uses Form 1, 2 and 3; startups and small entities pay reduced official fees; the company should usually be the applicant.
- •A Request for Examination (Form 18) must be filed within 48 months or the application lapses; the examiner's First Examination Report must be answered before grant.
- •An Indian patent protects you only in India — use a PCT application within 12 months of priority to preserve rights internationally.
Frequently Asked Questions
What can be patented in India?
What is a provisional patent application?
How long does a patent take in India?
How much does it cost to file a patent in India?
How long does patent protection last?
Does an Indian patent protect my invention abroad?
About the Corporate Law Editorial Bench
NyaySevak Corporate & Commercial DeskSenior-counsel-led bench covering Companies Act, IBC, SEBI, FEMA, contracts, M&A, employment, and start-up advisory. Active before NCLT, NCLAT, SAT, and SEBI's Adjudicating Officer.
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