Lex Machina

Legal Analytics Platform

Lex Machina converts raw legal documents into comprehensive data sets using proprietary technology and AI-assisted attorney review, filling gaps in court records and delivering unique case insights.

Win cases and secure new business with actionable intelligence.

Generative Analytics with Protégé

Experience intuitive, AI-powered assistance built on high-quality, structured Legal Analytics. Simply enter a prompt to quickly access complex data for actionable intelligence.

Make smarter decisions and achieve winning outcomes faster.

Comprehensive Court Database

Access insights from 45M customer-facing documents, across over ten million cases, involving 8K+ judges, 6K+ expert witnesses, with 146M+ counsel and 149M+ party mentions. Coverage includes all 94 federal district courts, 13 courts of appeal, PTAB, specialty venues, and various enhanced state courts.

Gain deep insights into the past behavior of parties, counsel, experts, judges, and courts.

Legal Entity Analytics

Experience enhanced legal insights with enriched case data, detailing law firms, attorneys, parties, and judges in each dispute. Proprietary AI analyzes a wide array of documents, including reading signature blocks, updating case data, and grouping related entities.

See the complete legal picture with comprehensive timelines and relationships.

State Court Motion Metrics

Leverage document driven state court motion metrics, focused on orders to access motion practice and timing analytics for over 40+ motion types by judge and court.

Capture key outcomes and enhance judge analytics.

Appeals and Class Action Analytics

Explore detailed analytics for all civil cases filed in federal appellate courts since 2012, including reversal rates. Use class action analytics to view settlement damages, attorney fees, and class representative awards.

Forecast litigation budgets and manage client expectations effectively.

• Comprehensive Court DatabaseLex Machina provides access to insights from 45M customer-facing documents, across over ten million cases, involving 8K+ judges, 6K+ expert witnesses, with 146M+ counsel and 149M+ party mentions. Coverage includes all 94 federal district courts, 13 courts of appeal, PTAB, specialty venues, and various enhanced state courts.
• Legal Entity AnalyticsLex Machina's proprietary AI analyzes a wide array of documents, including reading signature blocks, updating case data, and grouping related entities, offering a comprehensive view of timelines and relationships to better understand the connections and see the complete legal picture.
• Generative Analytics with ProtégéLex Machina with Protégé offers intuitive, AI-powered assistance built on high-quality, structured Legal Analytics. Simply enter a prompt to quickly access complex data for actionable intelligence, smarter decisions, and winning outcomes.
• Trusted by Over 90% of the Largest FirmsLex Machina is trusted by over 90% of the largest firms, based on data as of April 2025, indicated by the 2025 Law360 Pulse Leaderboard Report and 2025 AmLaw100 Report.

• State Court Motion MetricsLex Machina offers document-driven state court motion metrics, focused on orders to access motion practice and timing analytics for over 40+ motion types by judge and court. However, the specific list of motion types and the exact state courts covered are not detailed on the page.
• Appeals AnalyticsLex Machina provides detailed analytics, information, and documents for all civil cases filed in federal appellate courts since 2012, including reversal rates. However, the page does not specify the exact number of appellate cases covered or the methodology for calculating reversal rates.
• Class Action AnalyticsLex Machina's class action analytics allow viewing settlement damages, attorney fees, and class representative awards, and summarizing timelines. However, the page does not specify the exact data sources or the time range for class action cases covered.
• API IntegrationLex Machina offers an API to leverage litigation data for custom solutions. However, the page does not provide details on API endpoints, authentication methods, or rate limits.

Win Cases with Data-Driven Strategy

Lex Machina provides insights into the past behavior of judges, courts, and opposing counsel, revealing specific findings, awarded damages, and case resolutions. Legal teams can use this intelligence to craft more effective case strategies, manage risks, and predict outcomes — giving them a competitive edge in litigation.

Secure New Business with Accurate Pitches

Law firms can leverage Lex Machina's analytics to prospect for clients and craft accurate, data-backed pitches. As one Chief IP Litigation Counsel noted, 'Be careful when you pitch. Lex Machina is changing the game' — because clients and competitors may have access to the same analytics, accuracy is essential.

Assess Outside Counsel and Manage Legal Spend

Corporate legal departments and insurers can use Lex Machina to evaluate outside counsel performance and make informed decisions about legal representation. The platform's data on case outcomes, timing, and attorney behavior helps organizations select the best firms and manage litigation budgets effectively.

Benchmark Courts and Judges for Better Outcomes

With coverage of all 94 federal district courts, 13 courts of appeal, PTAB, and enhanced state courts, Lex Machina enables users to analyze judge-specific motion practice, timing events, and legal findings. This helps legal professionals understand judicial tendencies and tailor arguments to improve chances of success.

Define the exact aI Legal tools workflow Lex Machina should support.

Compare it with closely related AI tools in the same category before committing.

Set review rules for accuracy, privacy, brand voice, compliance, and final approval.

Connect useful outputs to the wider stack instead of leaving them inside the AI tool.