Lex Machina is a legal analytics platform that applies data science to litigation, converting raw court documents into structured datasets covering judge behavior, case outcomes, damages, and party histories. It serves litigators, law firms of all sizes, corporate legal departments, insurers, courts, and government bodies seeking data-driven case strategy and business development insights.
Product
Lex Machina
Headquarters
United States
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What Lex Machina does
Lex Machina uses proprietary technology and AI-assisted attorney review to process court records, filling gaps in docket data and surfacing insights unavailable elsewhere. Its generative analytics layer, powered by LexisNexis Protégé, lets users enter natural-language prompts to query complex litigation datasets. The platform's core Legal Analytics module covers over ten million cases across all 94 federal district courts, 13 courts of appeal, PTAB, specialty venues, and enhanced state courts, with data on 8,000-plus judges, 6,000-plus expert witnesses, and over 146 million counsel mentions. Party analytics for business intelligence adds 18 million state cases. Legal Entity Analytics enriches case data by reading signature blocks, grouping related entities, and mapping timelines and relationships among law firms, attorneys, parties, and judges. Additional modules include State Court Motion Metrics (40-plus motion types by judge and court), Appeals Analytics (federal appellate civil cases since 2012, including reversal rates and Supreme Court outcomes), Class Action Analytics (settlement damages, attorney fees, budget forecasting), and Timing Events showing how long courts take to reach key milestones. An API allows users to integrate Lex Machina litigation data into their own solutions. The platform is trusted by over 90% of the largest U.S. firms, based on 2025 Law360 and AmLaw100 rankings. Users span large and small law firms, corporate legal departments, insurers, courts, government agencies, and law schools.
What it does
Lex Machina core capabilities
Generative Analytics (Lex Machina with Protégé)
Natural-language prompts surface complex litigation data for actionable intelligence.
Legal Analytics
Insights into past behavior of judges, counsel, parties, experts, and courts.
Legal Entity Analytics
AI reads signature blocks and groups related entities across timelines.
State Court Motion Metrics
Motion practice and timing analytics for 40-plus motion types by judge.
Timing Events
Shows how long courts take to reach key case milestones.
Legal Findings
Practice-specific legal findings linked to judgment events.
Appeals Analytics
Federal appellate civil case data since 2012, including reversal rates.
Class Action Analytics
Settlement damages, attorney fees, and timeline forecasting for litigation budgets.
API Integration
Access litigation data via API to build custom solutions.
Technical specifications
- Covers 10M+ cases, 8K+ judges, 6K+ expert witnesses, 146M+ counsel mentions, 149M+ party mentions
- All 94 federal district courts, 13 courts of appeal, PTAB, specialty venues, enhanced state courts
- 18M additional state cases for party analytics
- 45M customer-facing documents indexed
- Civil federal appellate coverage from 2012 onward
- API available for custom integrations
- AI model: LexisNexis Protégé (generative analytics layer)
- Enterprise-grade cloud infrastructure with third-party audits
Who it is for
Who Lex Machina is built for
Target audience
- Large Law Firm
- Mid-Sized Law Firm
- In-House Legal Teams
- Chambers & Individual Lawyers
Case studies
No case studies yet
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Trust & compliance
Lex Machina security at a glance
Security certifications
Named enterprise customers
Pricing details
Lex Machina pricing
Starting price
Pricing model
Free version
Pricing is not publicly listed. Contact LexisNexis to request a demo.
Product videos & screenshots
See Lex Machina in action
Product interface
Lex Machina Interface
Comparisons
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Transparency
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FAQs
Frequently asked questions about Lex Machina
Lex Machina does not publish pricing publicly. Interested buyers must request a demo through LexisNexis to discuss pricing options with a sales representative.
It is built for legal professionals seeking data-driven decisions, including litigators at large and small law firms, corporate legal departments, insurers, courts, judges, state and federal government agencies, and law schools.
It covers all 94 federal district courts, 13 federal courts of appeal, PTAB, specialty venues, and enhanced state courts, with an additional 18 million state cases for party analytics. Data covers over ten million cases in total.
Yes. An API integration is available, allowing users to access Lex Machina litigation data to build their own custom solutions.
LexisNexis applies privacy-by-design principles, uses advanced encryption, and undergoes regular third-party audits. It follows the RELX Responsible AI Framework, never uses customer data to train AI models, and removes identifiable information from AI interactions.
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