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Patent Drawing Tools
Every PatentStroke tool in one place. Generate patent figures from photos, sketches and claims, check them against office rules, and convert, vectorize or upscale the drawings you already have.
Popular starting points
Photo or sketch to line artUpload a product photo or hand sketch and get black-and-white patent line art.Flowchart from a methodPaste a method claim and get a numbered patent flowchart (S101, S102…).Figure checker20 creditsCheck margins, DPI, color, line weight and numeral height against USPTO or CNIPA rules.Vectorize20 creditsTurn a raster drawing into DXF, SVG or a vector PDF sheet.
Process your figures
Check, vectorize and upscale drawings you already have. 20 credits per run.
Generate a patent drawing
Turn a photo, sketch or claim into a patent figure. 10 credits per drawing, 5 per diagram.
By figure type
One upload, four views of the same object.
Prepare the filing
Lay figures out on numbered sheets and export them.
Patent drawing tools FAQ
Every tool runs on credits, and every account gets free credits: 30 on the sign-up day and 10 more each day. A drawing costs 10 credits, a flowchart or block diagram 5, and a checker, vectorize or enhance run 20. Free accounts download watermarked previews.
If you have a product or prototype, start with photo to line art. If you have a method claim, start with the flowchart generator. If you already have drawings, run them through the figure checker first.
Yes. Sheets use the 37 CFR 1.84 margins, sizes and label rules, and the checker also has a CNIPA profile. You still review every figure before filing.
Uploads are not stored. Checks, tracing and resizing run in your browser where they can; AI steps go to our model provider with data collection denied, and results stay in private storage.
Need the drawing itself?
Generate patent line art from a photo or sketch, or a flowchart from a claim, and lay it out on USPTO sheets.
Start creating