
AI Driven Claim Charts for Patent Defense
Crane Patents is an AI-assisted platform that helps patent lawyers review prior art and generate claim charts for patent defense. It is used by a quarter of Chambers USA ranked IP firms and was named New Law Company of the Year by Law.com for 2025.
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Crane Patents
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Designed by practicing patent attorneys, the platform automates claim chart creation, tracks review progress, and lets users download charts in multiple formats for invalidity contentions. The team brings over 35 years of IP legal experience from firms such as Skadden and Kirkland, plus 20 years of software engineering experience from companies including VMware, RSA, and Block. It targets chambers and firms handling patent defense work.
What it does
Workflow for assessing prior art references with AI-assisted claim chart generation.
Automated claim charts downloadable in multiple formats for invalidity contentions.
Automatically tracks reviewed and set-aside prior art references.
Contextual prior art discussion within the scope of the claims.
Who it is for
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Free version
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FAQs
Crane Patents provides an AI-assisted platform that helps patent lawyers review prior art references and generate claim charts for patent defense. It automates claim chart creation, tracks progress across references, and supports downloading charts in multiple formats for use in invalidity contentions.
The platform is used by 25% of Chambers USA ranked IP firms. It is designed by practicing patent lawyers and targets legal teams handling patent defense work, particularly chambers and large IP-focused law firms preparing invalidity contentions.
The Crane Patents team collectively brings over 35 years of IP legal experience from firms such as Skadden and Kirkland and IP executive roles at tech companies, plus over 20 years of software engineering experience from companies including VMware, RSA, Block, and Bank of America.
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