The latest updates, improvements, and fixes to PatentDrawingAI.
Deleting a drawing that is part of a drawing set used to fail with an error. It now asks whether to remove it from the set, then deletes it.
A rare model hiccup that used to fail a drawing outright is now retried once, so a run that would have failed can still finish.
Dropping a PDF, a HEIC photo from an iPhone, or any other unsupported file on the New drawing screen used to do nothing at all. You now get a clear message naming the file, the formats that work, and what to do next.
Drawing sets now support lettered figure numbers such as FIG. 6A across sheets, locking, and the figure number controls. Lock a figure to 6A and the sheet prints FIG. 6A exactly.
Sheets already tuck stray reference numbers back inside the page so your set stays USPTO-formatted. Now the sheet tells you when that happened, and every figure gains a Number placement panel listing the numbers you moved on the sheet with one-click resets.
The drawing editor now gives quiet feedback as you drag reference numbers: a flash when a number reaches the edge of the drawing area, a note when a leader line grows long, and a one-time hint that numbers can be dragged.
The drawing editor now has a Figure number switch. Off by default, so nothing is stamped on your drawing unless you ask for it. Turn it on to print a FIG. number on PNG, SVG, and PDF exports straight from the editor.
A drawing set with exactly one figure now prints without a FIG. label, matching the USPTO rule for single-view filings. Lock a figure number to print the label anyway, or add a second figure and the labels return automatically.
A reference number dragged far from its figure could land in the page margin, or off the sheet, when your drawing set printed. Those numbers are now tucked back onto the page along their own leader line, and your figure keeps its full printed size.
Reference numbers from Auto-Label used to pile up in one area with leader lines crossing the drawing and each other. They now ring the figure in an orderly layout, with short leader lines kept clear of each other.
Running Auto-Label too often ended with a message that no components could be identified, even on clear drawings. The cause is fixed, and the feature now labels the parts it finds on the first try.
Multi-figure sheets always show the figure picker now. When we cannot fully verify where each figure sits, we say so plainly instead of hiding the choice.
Redrawn figures could include a small empty rectangle that was never part of your invention. It came from how we handled the caption on your original image, and it is gone.
On sheets with several figures, a garbled figure position could quietly crop your drawing to half of the figure you picked. Positions that cannot fit on the page are now refused before they are used.
When you run out of credits and the plan panel appears, the button that starts your upgrade is now live right away instead of waiting a few seconds.
Upload a single clear image and you now go straight to the confirmation card once the scan finishes, with every screen sitting at the same height on the page.
Converting or rebuilding a diagram now gives you an unnumbered drawing, so you can add reference numerals yourself with Auto-Label and move them wherever you want.
The upload confirmation is easier to read, and diagram outlines that come back empty can now be retried with one click.
Uploads with more than one figure, view, or part are now recognized far more accurately, and a new Whole sheet choice lets you draw everything as one figure instead of picking a single figure.
When your account needs a plan to generate, the plan chooser now opens instantly at the Generate click, and the Generate button shows a clear starting state while your drawing kicks off.
Uploading a sheet with many figures now completes the automatic analysis reliably, so you see what we detected (figures, reference numerals, labels) instead of being asked to describe the image yourself.
PNG downloads and on-screen sheet previews now use the same professional typeface as PDF exports on every computer, and FIG. labels and reference numbers marked bold now print in a true bold typeface.
Exported drawing sheets now print reference numbers at the exact size USPTO reviewers measure, render FIG. labels visibly larger than reference numbers, and draw every line and label in true black ink.
Creating a new drawing now starts with a guided flow. Upload a photo and get an instant readout of what we see, or describe your invention and build a flowchart or block diagram from an editable outline, with a clear review step before any credits are spent.
A new View drawing set button takes you from the editor to your drawing set, project page thumbnails now crop to the artwork, and generation progress shows a time estimate.
Five new guides help patent teams compare AI tools for patent attorneys and understand how Harvey, Legora, ChatGPT, and Nano Banana fit around patent drawings.
A new comparison helps inventors, paralegals, and patent teams decide whether PatentDrawingAI or a patent illustrator fits the filing.
Filing an electronics or electrical patent? A new industry guide covers circuit diagrams, block diagrams, flowcharts, timing diagrams, and IoT system views.
Picking between the three most-Googled patent drawing tools? A new comparison covers pricing, USPTO setup steps, time per drawing, and which tool fits which invention type.
Filing a mechanical patent? A new industry guide walks through view selection, section hatching, motion conventions, USPTO sources, and worked mechanical examples.
The best patent drawing software guide now includes law-firm decision guidance, and core guide pages now point readers to the right software comparison.
A new side-by-side guide compares USPTO, EPO, PCT, and WIPO patent drawing requirements for multi-jurisdiction filings.
A new comparison page explains when to use a focused drawing tool versus a broader AI patent workspace.
A rebuilt homepage walks through the whole upload-to-filing workflow with a demo video, and a new Security & Confidentiality page lays out how we protect pre-filing invention material.
A three-page provisional patent drawing cluster now covers requirements, provisional vs non-provisional differences, and how many drawings a provisional application may need.
Filing a design patent? A new in-depth guide walks through sufficient views, shading techniques, broken-line strategy, color decisions, USPTO filing-stage fees, and common drawing mistakes.
Choosing between a focused drawing tool and a full enterprise patent platform? A new side-by-side covers pricing, figure workflows, features, and which fits which use case.
PatentDrawingAI now helps law firms organize patent drawing projects by client matter, import matter lists from CSV, and export matter-based drawing usage for billing or internal review.
Trying to choose between a self-serve AI tool and a traditional patent services firm? A new side-by-side covers pricing, turnaround, and which fits which workflow.
Patent drawing costs in 2026 span $3 with AI tools to $500/sheet with premium illustrators. A new guide breaks down every method side-by-side with total-cost scenarios for utility, design, and provisional applications.
PatentDrawingAI now goes beyond patent drawing creation: add reference numbers, leader lines, vector annotations, and assemble USPTO-formatted drawing sheets with compliant margins, sheet numbers, FIG. labels, and layouts for up to four drawings per page.
Trying to decide between a drawings-only AI tool and an enterprise drafting suite? A new side-by-side covers pricing, Word integration, SOC 2 posture, and the firm-size cost math.
Comparing patent drawing services? A new guide reviews 10 providers with current 2026 per-sheet pricing, turnaround, NDA terms, and revision policies — plus when an AI tool is the better answer.
Our two most-read guides got a full content refresh — verified 2026 pricing across 10 tools, corrected patent number citations across 40+ real examples, and three new before/after demos showing what PatentDrawingAI does to a photo, sketch, or CAD render.
Browse every patent drawing guide in one place. The new /blog index lists every guide on the site, including two new in-depth guides covering patent drawing software and patent drawing examples by type.
Open Drawing Set on your Welcome demo project and FIG. 1 is now the same figure that sits on the left of your project page. The two surfaces line up.
Removing a drawing from your Welcome demo project now cleans up your view in isolation, leaving every other user's demo intact.
Open Drawing Set on any project to lay your figures out across sheets, pick layouts (1-up, 2-up, 4-up), set sheet numbering and identifying indicia, then export a USPTO-formatted multi-page PDF in a click.
System diagrams now keep their component labels, product drawings handle dark surfaces and embossed brand marks more reliably, and each drawing type is tuned independently.
Leader-line style and arrow-tip options now live together in a single compact button, freeing up space to type longer component names.
Place a reference label, step out to the project page, come back — your label is there, no hard refresh needed.
Pick from three leader styles — straight, curved, or S-curve — right from the annotation list, with a visual picker that shows each shape at a glance.
Opening a drawing from your project page now paints faster, and switching between version thumbnails inside the editor happens without the small pause you used to see after every click.
Every new account now starts with a Welcome Project containing example utility and design patent drawings so you can try the editor, versioning, auto-labeling, and downloads without spending credits.
Design patent drawing runs now preserve source geometry more reliably, reducing cases where small features changed during generation.
The Edit tab's instruction now shows the Region Edit tool icon inline, matching the pattern already used in the Labels tab, and drops a redundant guidance line in the empty state.
Generated drawings were coming back with ghosted, multi-stroke edges and spurious borders. Line output is crisp again.
Reference labels can now use a smooth curved leader line in addition to the existing 90-degree elbow style, toggleable per label from the annotation sidebar.
The editor now uses an artboard-based document model, annotated exports are more consistent, and project-page downloads match the export controls available in the editor.