Patent Filing Cost Calculator

Estimate patent application costs including USPTO fees, attorney drafting, patent search, prosecution, and maintenance for utility and design patents.

Filing Costs

Before entity discount
$
$
$

Prosecution & Issue

$
Before entity discount
$

Maintenance Fees (Large Entity Rates)

$
$
$
Filing Cost
$11,600.00
USPTO + attorney + search
Prosecution
$3,000.00
Issue Fee
$1,200.00
After entity discount
20-Year Maintenance
$11,600.00
After entity discount
Total 20-Year Cost
$27,400.00
Sum of all values
Planning notes, formulas, and examples

About the Patent Filing Cost Calculator

The Patent Filing Cost Calculator estimates the cost of preparing, filing, prosecuting, and maintaining a patent application through the USPTO. It combines official fees, attorney drafting, prior-art search costs, office-action work, and long-term maintenance fees into one budget worksheet.

Utility and design patents can differ substantially in both complexity and cost. The page is designed to help inventors, startups, and IP teams compare those lifecycle costs before committing to a filing strategy.

It is best used as a budgeting tool. Actual prosecution costs can still change meaningfully based on technology, claim scope, examiner feedback, and whether international filings are added later.

When This Page Helps

A patent budget is usually more useful when it includes the whole lifecycle instead of just the initial filing fee. This page helps compare first-year filing spend against later prosecution and maintenance costs so you can decide which inventions are worth protecting and how to stage the spend.

How to Use the Inputs

  1. Select the patent type (utility or design).
  2. Enter USPTO filing, search, and examination fees.
  3. Enter patent attorney drafting and prosecution costs.
  4. Enter prior art search costs.
  5. Add prosecution costs for office action responses.
  6. View the full patent lifecycle cost including maintenance.
Formula used
Filing Cost = USPTO Fees + Attorney Drafting + Prior Art Search Prosecution = Office Action Responses × Response Cost Maintenance = 3.5-yr + 7.5-yr + 11.5-yr fees Total = Filing + Prosecution + Issue Fee + Maintenance

Example Calculation

Result: $27,400 total 20-year cost

Filing: $1,600 + $8,000 + $2,000 = $11,600. Prosecution: $3,000. Issue: $1,200. Maintenance (3.5yr $1,600 + 7.5yr $3,600 + 11.5yr $6,400): $11,600. Total: $27,400.

Tips & Best Practices

  • Provisional applications buy 12 months of patent-pending priority at a fraction of the cost.
  • Small entity status (under 500 employees) reduces USPTO fees by 50%.
  • Micro entity status reduces fees by 75%.
  • Budget for 2–3 office action responses during typical prosecution.
  • Design patents are significantly cheaper than utility patents.
  • International filing via PCT adds filing and national-phase costs in each country.

Patent Types Compared

Utility patents protect functional inventions for 20 years from filing. Design patents protect ornamental appearance. Plant patents protect asexually reproduced plant varieties. Most businesses need utility patents for core technology.

Cost Reduction Strategies

Claim small entity or micro entity status for fee reductions. File provisionals strategically. Focus claims on commercially valuable aspects. Use continuation applications judiciously. Consider international filing priorities carefully.

IP Portfolio Management

Not every invention merits patent protection. Evaluate each invention’s commercial value, enforceability, and competitive landscape. A focused portfolio of strong patents often provides better protection than a large portfolio of weak ones.

Sources & Methodology

Last updated:

Methodology

This worksheet adds the user-entered USPTO fees, attorney drafting costs, prior-art search costs, office-action response costs, issue fees, and maintenance fees into one lifecycle budget. It is meant to compare patent scenarios and stage the spend, not to predict whether an application will be allowed or how many office actions a specific case will take.

The page is intentionally conservative. It does not decide claim scope, patentability, or examination outcomes. Those are legal and technical questions that still depend on the invention, prior art, and USPTO review.

Sources

  • USPTO Fee Schedule (U.S. Patent and Trademark Office) — Official USPTO fee schedule used for filing, examination, issue, and maintenance assumptions.
  • Patents basics (U.S. Patent and Trademark Office) — USPTO overview of the patent application and prosecution process.

Frequently Asked Questions

  • A utility patent typically costs $10,000–$20,000 for filing and prosecution, plus maintenance fees over the patent term. Simple inventions are at the low end, while complex software or biotech patents can exceed that range.

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