What is the total cost of a US utility patent?

Total cost including attorney fees: provisional patent ($2,000–3,000); non-provisional filing ($10,000–15,000); response to office actions ($3,000–5,000); issue fee ($1,000–2,000). Total: $15,000–25,000+ over 3–5 years.

What are patent maintenance fees?

US utility patents require maintenance fees paid at 3.5, 7.5, and 11.5 years after issue. Small entity fees: $980, $1,840, $2,880. Failure to pay results in patent expiration.

Patent Filing Cost Estimator

Formula Definitions

The Patent Filing Cost Estimator works by applying a well-defined formula to the values you enter. Understanding the formula behind the calculation helps you interpret the result and check that your inputs are correct. Below we break down the key components that drive the Patent Filing Cost.

The core formula used by this calculator is:

Result = f(principal, rate, time, jurisdiction)

Each variable in the formula has a specific meaning:

principal — Initial amount, income, or base value entered into the Patent Filing Cost.
rate — Interest rate, tax rate, return rate, or growth rate applied per period.
time — Number of periods (years, months, or days) over which the calculation runs.
jurisdiction — Country, tax year, filing status, or regional rules that adjust the calculation.
Result — Computed amount: total, liability, return, repayment, or present/future value.

Note: Financial results are estimates and depend on the accuracy of the inputs and applicable rules.

How to Use This Calculator

Enter your financial figures. Enter income, principal, interest rate, tax year, or relevant financial parameters into the Patent Filing Cost Estimator.
Adjust regional settings. Select your country, tax jurisdiction, filing status, or applicable tax year and rates.
Calculate your result. Press Calculate to compute the financial result, tax liability, return, or repayment amount.
Review the breakdown. Review the detailed breakdown including totals, effective rates, interest components, and applicable tax implications.

Glossary and Definitions

Principal: The initial amount of money on which interest, returns, or tax liabilities are calculated.
Interest rate: The percentage charged or earned per period on the principal, expressed as an annual rate unless stated otherwise.
Compounding: The process by which interest is added to the principal so that subsequent interest is earned on the combined amount.
Present value: The current worth of a future sum, discounted at a given rate to account for the time value of money.
Patent cost: A key concept referenced by the Patent Filing Cost: Estimate total patent prosecution costs: USPTO filing fees ($320 basic for small entity), professional attorney fees ($8,000–20,000 utility), maintenance fees over patent lifetime, and costs for provisional, design, and plant patents.
USPTO filing fee: A key concept referenced by the Patent Filing Cost: Estimate total patent prosecution costs: USPTO filing fees ($320 basic for small entity), professional attorney fees ($8,000–20,000 utility), maintenance fees over patent lifetime, and costs for provisional, design, and plant patents.
Patent attorney fee: A key concept referenced by the Patent Filing Cost: Estimate total patent prosecution costs: USPTO filing fees ($320 basic for small entity), professional attorney fees ($8,000–20,000 utility), maintenance fees over patent lifetime, and costs for provisional, design, and plant patents.
Utility patent cost: A key concept referenced by the Patent Filing Cost: Estimate total patent prosecution costs: USPTO filing fees ($320 basic for small entity), professional attorney fees ($8,000–20,000 utility), maintenance fees over patent lifetime, and costs for provisional, design, and plant patents.
Patent prosecution cost: A key concept referenced by the Patent Filing Cost: Estimate total patent prosecution costs: USPTO filing fees ($320 basic for small entity), professional attorney fees ($8,000–20,000 utility), maintenance fees over patent lifetime, and costs for provisional, design, and plant patents.

Related Calculators

IP Registration Cost

Legal & Compliance

Trademark Cost by Class