📋 Table of Contents
Patents are the most powerful form of IP protection for inventors and innovators. They provide exclusive rights for 20 years over inventions, allowing you to commercialize, license, or sell your invention.
What is a Patent?
A patent is a legal monopoly granted by the government for a new invention, giving the inventor exclusive rights to make, use, sell, and import the invention for 20 years in exchange for full disclosure to the public.
Indian patents are governed by the Patents Act, 1970 (amended 2005) administered by the Indian Patent Office (IPO).
What Can Be Patented in India?
To be patentable, an invention must satisfy three criteria:
1. Novelty (New)
Not previously disclosed anywhere in the world — not in patents, publications, public use, or any prior art.
2. Inventive Step (Non-Obvious)
Not obvious to a person skilled in the field. Must involve technical advance, economic significance, or both.
3. Industrial Applicability
Must be capable of being made or used in industry — practical application.
What CANNOT Be Patented (Section 3)
- Mathematical methods and algorithms
- Business methods (per se)
- Computer programs (per se)
- Mere discoveries of scientific principles
- Mere new use of known substance
- Method of treatment of human/animal
- Plants, animals (except microorganisms)
- Traditional knowledge
- Inventions contrary to public order/morality
- Atomic energy inventions
Indian Specifics: India has stricter patentability requirements than US/Europe. Section 3(d) prevents "evergreening" of patents through minor modifications — significant for pharmaceutical patents.
Types of Patent Applications
1. Provisional Application
- Establishes priority date with less detail
- 12 months to file complete specification
- Lower filing fee
- Doesn't get examined
- Useful for "patent pending" status
2. Complete (Ordinary) Application
- Full technical specification
- Detailed claims
- Drawings if needed
- Filed directly or after provisional
- This is what gets examined
3. PCT International Application
- Single filing for 150+ countries
- Provides 30 months to enter national phases
- Higher initial cost but saves overall
- For international protection
4. Convention Application
- Filed in India claiming priority from earlier foreign filing
- Must be within 12 months of foreign filing
5. Divisional Application
- Filed when original application has multiple inventions
- Splits into separate patents
Patent Registration Process — Step by Step
Stage 1: Pre-Filing Preparation
- Patentability analysis
- Prior art search
- Decision: provisional or complete
- Drafting patent specification
Stage 2: Filing
- Submit application with IPO (Delhi/Mumbai/Chennai/Kolkata)
- Pay filing fee
- Receive application number
- Use "Patent Pending" status
Stage 3: Publication (After 18 Months)
- Application published in Patent Journal
- Becomes part of public domain
- Available for opposition
Stage 4: Request for Examination (RFE)
- Must be filed within 48 months of filing
- Required for examination to begin
- Pay examination fee
Stage 5: First Examination Report (FER)
- Examiner reviews application
- Issues report with objections (if any)
- 6 months to respond (extendable by 3 months)
Stage 6: Response & Subsequent Examinations
- Respond to objections
- Amend claims if needed
- May go through multiple rounds
- Hearing may be scheduled
Stage 7: Pre-Grant Opposition (Optional)
- Anyone can oppose between publication and grant
- Must address oppositions
Stage 8: Grant
- If accepted, patent granted
- Published in Patent Journal
- Now you can use "Patented" status
Stage 9: Post-Grant Opposition (Within 1 Year)
- Third parties can oppose within 1 year of grant
- Defend if needed
Have an Invention to Protect?
Our patent experts handle everything from novelty search to grant. Don't let your invention go unprotected.
Start Patent Process →Government Fees for Patent
| Stage | Individual/Startup | Small Entity | Large Entity |
|---|---|---|---|
| Provisional Filing | ₹1,600 | ₹4,000 | ₹8,000 |
| Complete Filing | ₹1,600 | ₹4,000 | ₹8,000 |
| Examination Request | ₹4,000 | ₹10,000 | ₹20,000 |
| Renewal (Year 3) | ₹800 | ₹2,000 | ₹4,000 |
| Renewal increases yearly | — | — | — |
Total typical cost (with professional fees): ₹50,000 - ₹2,00,000+ for a single patent.
Timeline — Patent Registration
| Stage | Timeline |
|---|---|
| Filing | Day 1 |
| Publication | 18 months from filing |
| RFE Filing Deadline | 48 months from filing |
| First Examination Report | ~6-18 months after RFE |
| Final Decision | 3-5 years total |
| Expedited Examination | ~6-12 months |
Expedited Examination Categories
- Startups (DPIIT recognized)
- Small entities
- Women inventors
- Government departments
- SIPP (Startup IPR Promotion Scheme)
After Patent Grant
1. Annual Renewal
Pay annual renewal fee starting from year 3. Increasing fee schedule.
2. Working Statement
File annual statement (Form 27) showing how patent is being worked in India.
3. Enforcement
- Monitor for infringement
- Send cease & desist notices
- File infringement suits if needed
4. Commercialization
- License to others
- Assignment/sale
- Use in own products
- Defensive use against competitors
5. After 20 Years
Patent expires. Invention enters public domain. Anyone can use freely.
Tips for Successful Patent
- Conduct thorough prior art search first
- Hire experienced patent attorney — Critical for drafting
- Provide full disclosure in specification
- Draft strong, clear claims — Defines protection scope
- File before public disclosure
- Consider international protection early (PCT)
- Budget for full process — Not just filing
- Track deadlines religiously
💡 Important: Never publicly disclose your invention before filing. Public disclosure (papers, presentations, products) destroys patentability.
Conclusion
Patents are powerful but expensive and complex. They're worthwhile for genuine inventions with commercial potential. The 20-year exclusive rights can be transformative for innovative businesses. While the process takes 3-5 years and costs significant money, successful patents often generate many times their cost in licensing, sales, or competitive advantage.