How Much Does Patent Filing Cost in Illinois?
Illinois pricing is near the national average. Updated for 2026.
Patent Filing Pricing in Illinois
In Illinois, the average cost for patent filing is $12,600 per patent, which is 5% higher than the national average of $12,000. Most Illinois residents pay between $5,250 and $21,000.
Illinois has costs that track closely with the national average, though prices can still vary between urban and rural areas within the state.
A patent protects your invention by giving you exclusive rights to make, use, and sell it for 20 years (utility patent) or 15 years (design patent). The process involves searching prior art, drafting claims, filing with the USPTO, and responding to examiner rejections.
Illinois vs National Average
What Affects Patent Filing Cost in Illinois?
Patent Type
Provisional (placeholder): $1,500-$5,000. Design: $2,000-$5,000. Utility (simple): $7,000-$12,000. Utility (complex): $12,000-$25,000+
Attorney Fees
Patent agent: $3,000-$8,000. Small firm: $5,000-$15,000. Large firm: $10,000-$25,000+
USPTO Fees
Micro entity: $400-$1,000. Small entity: $800-$2,000. Large entity: $1,600-$4,000
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💡 Tips to Save on Patent Filing in Illinois
- 1.Start with a provisional patent ($1,500-$5,000) to establish your filing date while spending a year developing the full application
- 2.Micro entity status (income under $229,269) cuts USPTO fees by 80%. Small entity saves 60%
- 3.Design patents ($2,000-$5,000 total) are faster and cheaper than utility patents
- 4.Consider patent prosecution through a registered agent instead of a large law firm (save 30-50%)
📈 Patent Filing in Illinois Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $10,702 | — |
| 2021 | $11,151 | +4.2% |
| 2022 | $11,876 | +6.5% |
| 2023 | $12,209 | +2.8% |
| 2024 | $12,600 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Patent Filing in Illinois
Recent Reports
Frequently Asked Questions
How long does the patent process take?
Provisional patent: filed immediately (valid 12 months). Design patent: 12-24 months to issue. Utility patent: 18-36 months average (can take 5+ years). Expedited examination ($2,000-$4,000 extra) can reduce to 6-12 months.
Is a patent worth the cost?
It depends on the commercial potential. A patent is worth it if: your invention has significant market value, competitors could copy it, or you plan to license it. Many patents are never commercialized. Consider the total cost ($5,000-$20,000+) vs potential revenue.
Patent Filing Cost in Other States
Related Cost Guides for Illinois
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