Check your patent drawings against USPTO or CNIPA formal requirements before filing.
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Supports PNG, JPEG, TIFF, and WebP
Automatically calculates effective printable DPI based on image dimensions and detects whether figures meet the minimum 300 DPI threshold required by major patent offices.
Checks image format against patent office requirements. Detects alpha channels, unsupported formats, and transparency issues that could cause filing rejections.
Analyzes color pixel ratio, detects monochrome vs color figures, and validates compliance with utility patent line-art requirements that prohibit color or grayscale.
Uses AI vision to detect photo-like content, problematic shading, inconsistent line styles, and missing figure labels that manual inspection might miss.
Applies office-specific rules for USPTO and CNIPA, with separate profiles for utility and design patents — covering format, color, DPI, and content requirements.
Identifies figure numbers, reference numerals, and text annotations. Validates that patent drawings include proper labeling as required by patent office formal rules.
Frequently Asked Questions About Patent Figure Requirements