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Generates patent-office-compliant technical drawings from a text description, sketch, or reference photo.
PatentFig AI produces the line-art figures, flowcharts, and block diagrams that patent filings require, formatted to match USPTO, EPO, and several other patent offices' drawing rules. You describe what the drawing needs to show, or upload a rough sketch or reference photo, and edit the result with follow-up natural-language instructions rather than a traditional drawing tool. Files export as PDF, PNG, SVG, or TIFF with version history kept per project. It's built for inventors and patent professionals preparing a filing rather than general technical illustration work.
Basic plan is $50/month, or about $20/month if paid yearly, for roughly 50 figures; a free plan gives 20 credits to start.
Use tool ↗PatentFig AI solves a specific, filing-related problem: getting drawings into the exact format a patent office expects without hiring a draftsperson for every figure. It's worth using for straightforward mechanical or flowchart-style figures; anyone with genuinely complex or unusual drawings should still expect a human draftsperson to review the output before filing.
Watch out: Treat the output as a drafting aid, not a substitute for review by a patent professional before submission; an incorrectly formatted figure can delay a filing.
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