Free Patent Tools & Calculators
Explore our collection of free patent tools and calculators designed to help inventors estimate patent costs, calculate USPTO filing fees, understand patent timelines, and make more informed patent filing decisions. Whether you're preparing a provisional or non-provisional patent application, our tools can help you better understand the costs and process before you file.
Use the calculators below to estimate common patent costs, filing fees, and important milestones throughout the U.S. patent process. Additional patent tools and calculators will be added over time.
Patent Calculators
Provisional Patent Cost Calculator
Estimate the cost of preparing and filing a U.S. provisional patent application, including USPTO filing fees, patent preparation costs, and optional patent drawing expenses, using our free Provisional Patent Cost Calculator.
Open Calculator →Non-Provisional Patent Cost Calculator
Coming Soon!Estimate the cost of preparing and filing a U.S. utility (non-provisional) patent application, including USPTO filing fees, patent preparation costs, prosecution costs, and patent drawing expenses.
Patent Total Cost Calculator
Coming Soon!Estimate the total lifetime cost of obtaining and maintaining a U.S. patent, including preparation costs, USPTO filing fees, prosecution costs, examination fees, and maintenance fees.
Patent Timeline Calculator
Coming Soon!Estimate important milestones in the U.S. patent process, including expected examination timelines, patent issuance estimates, and common filing deadlines.
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Patent Articles & Guides
Browse the Idea2PatentAI AI Inventor Blog for practical articles and guides covering provisional patent applications, patent costs, AI patent drafting, filing strategies, and other topics to help inventors navigate the U.S. patent process.