Generate USPTO-compliant patent figures from text, photos, or sketches with AI
Free AI image generation platform with lightning-fast creation
Stage
Not given
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Founded
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Based in
US
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Pricing model
Freemium
Freemium
Pricing
Not given
Free: 10 credits per day. Premium: $7/month (2,000 credits per month) or $2.45 per 1,000 credits annually. Elite: $12/month (5,000 credits per month) or $1.98 per 1,000 credits annually. Video Pro: $50/month (25,000 credits per month for video generation). Pay as you go also available at $3.50 per 1
Key features
Patent line art generation from photos and 3D models with automatic reference numerals
3D rendering and multi-view figure generation
Flowchart and block diagram generation
Chat-based natural language editing with real-time modifications
Editable reference numerals as a separate layer
Compliance checking against USPTO, EPO, CNIPA, JPO, KIPO, and PCT rules
Filing sheet export for six patent offices with office-specific formatting
Version control and version history for all generations and edits
Multi-modal input supporting text, photos, sketches, and CAD screenshots
Encrypted content storage with no model training on user data
AI Image Generation from text prompts
4K print-quality output
Bilingual prompt support in English and Chinese
Image editing with natural language
Prompt extraction from images
Creative Engine for prompt expansion
Multiple AI models including GPT Image 2 and Qwen Image 3
Video generation with AI
Hundreds of artistic styles
2-5 second generation speed
What makes it different
Editable reference numerals saved as real text rather than baked into pixels
Compliance checked sheet-by-sheet with detailed reporting
Multi-office support for CNIPA, USPTO, EPO, JPO, KIPO, and PCT with one source file
Lightweight 6B parameter model optimized for fast generation
37% better Chinese language accuracy than alternatives
DiT architecture optimization for flagship quality
Open-source model that can run locally
Actually free with transparent pricing and clear safety rules
PatentFig AI
Z-Image