
Master CNIPA patent drawing standards: paper, line, shading, broken lines, reference numerals. Guide for global IP teams filing in China.


Updated 2026 USPTO patent drawing checklist: 37 CFR §1.84 rules on paper size, line weight, shading, margins, reference numerals. Avoid rejection.


Design patent drawings explained: broken vs solid lines, shading conventions, all 7 required views. USPTO-ready examples included.


Why do USPTO drawings get rejected? 7 common 37 CFR 1.84 mistakes that trigger Office Actions, plus a free high-speed AI workflow to fix them. 2026 guide.


End-to-end AI workspace for patent figures: generate, refine, check, convert, and export. How PatentFig AI cuts figure prep time by 80% for IP teams. 2026.
