How to make patent drawings
A practical sequence for a first US utility filing: pick the figures, draw one step per box, keep numerals in step with the description, and measure the sheet.
Published · Updated · 7 min read
PatentQuill blog and guides
Plain-English articles on preparing USPTO patent drawings: what 37 CFR 1.84 requires, how to number parts, what a provisional application needs, and how drawing tools and services compare. Each page cites its sources and the date they were checked. PatentQuill does not provide legal advice.
Blog
Drafting practice for 37 CFR 1.84 drawings.
Provisional patent drawings
What 37 CFR 1.51(c), 1.84 and MPEP 601.01 say about drawings in a provisional application, and what to prepare before filing.
Published · 10 min read
Reference numerals in patent drawings
How to number parts and steps, match every numeral to the description under 37 CFR 1.84(p), and catch five common numbering errors.
Published · 13 min read
Guides
Comparisons and how-tos with sources checked on a stated date.
Patent drawings in Visio, PowerPoint, draw.io
Set the page, margins, line weight and 0.32 cm lettering in a general drawing tool, export a PDF, then check it.
Published · 6 min read
Patent drawing cost
Published per-sheet prices from six services, DIY software costs and AI tool pricing, with sources checked 2026-11-11.
Published · 6 min read
Free patent drawing checker tools compared
What each free checker tests against 37 CFR 1.84, what it costs, whether your file is uploaded, and what the report shows.
Published · 6 min read