Lex Machina Legal Analytics Software

Lex Machina^®Actionable Intelligence

Now empowered by LexisNexis Protégé^™

Lex Machina elevates legal decision-making with an unparalleled Legal Analytics^® platform to win cases and secure new business — now empowered by Protégé^™. This proprietary technology and AI-assisted attorney review converts raw legal documents into comprehensive data sets, filling gaps in court records and delivering unique case insights you won’t find anywhere else.

Special Event

2026 Employment Litigation Report Webinar

Tuesday, March 10th at 4:00PM ET

Learn more and register

Generative Analytics

Protégé in Lex Machina

Experience intuitive, AI-powered assistance built on high-quality, structured Legal Analytics. With Protégé in Lex Machina, simply enter a prompt to quickly access complex data for actionable intelligence, smarter decisions and winning outcomes.

Learn about Protégé

Legal Analytics

Data science applied to the practice of law

Gain insights into the past behavior of parties, counsel, experts, judges, and courts to improve litigation and business outcomes. Lex Machina goes beyond the docket, revealing judge’s specific findings, awarded damages, case resolutions, involved parties, timelines, and much more.

Find out more

Comprehensive Court Database

Trusted by over 90% of the largest firms*

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. Party analytics for business intelligence benefits from an additional 18M state cases.

*Based on data as of April 2025. Largest firms indicated by 2025 Law360 Pulse Leaderboard Report and 2025 AmLaw100 Report.

See for yourself

Legal Entity Analytics

See the complete legal picture

Experience enhanced legal insights with enriched case data, detailing law firms, attorneys, parties, and judges in each dispute. This 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.

Request a demo

Additional Features

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 to capture key outcomes and enhance judge analytics.

Timing Events

See how long it takes courts to reach key milestones in cases like yours.

Legal Findings

View detailed practice-specific legal findings linked to judgment events.

Appeals Analytics

Explore detailed analytics, information, and documents for all civil cases filed in federal appellate courts since 2012. Discover reversal rates revealing outcomes from re-hearings and U.S. Supreme Court decisions.

Class Action Analytics

Use class action analytics to view settlement damages, attorney fees, and class representative awards. Summarize timelines to forecast litigation budgets and manage client expectations effectively.

API Integration

Integrate our API to quickly leverage the industry’s most accurate litigation data to create your own solutions.

Learn more about the API

Who is Lex Machina For?

Lex Machina is designed for legal professionals looking to leverage analytics for smarter, data-driven decisions. It provides valuable insights into the past behavior of attorneys, firms, parties, experts, courts, and judges. Whether you're crafting legislation, assessing outside counsel, or prospecting for clients, Lex Machina empowers you to optimize case strategies, manage risks, predict outcomes and gain a competitive edge.

Large law firms
Small law firms
Corporate legal departments
Insurers
Courts & Judges
State & Local Government
Federal Government
Law schools

Additional Resources

See the latest updates

Dive into the latest legal insights on Lex Machina.

Read blog

Litigation Reports

Access a library of reports with in-depth analysis of litigation issues and trends.

View litigation reports

Testimonials

Changing the game

"Be careful when you pitch. Lex Machina is changing the game. If you are less than accurate with your story, and your competitors or your client has access to legal analytics, someone will call you out."

Chief IP Litigation CounselFortune 500 Company

It’s such a great resource.

"I use Lex Machina for every case. It’s such a great resource."

John JohnsonPartner, Fish & Richardson

I would want all my outside law firms to be using it.

"If I was at Google today, I would be using the type of data Lex Machina can deliver to select and manage outside counsel, and I would want all my outside law firms to be using it."

Miriam RiveraFormer Deputy GC, Google

Blog Articles

Legal Analytics Insights

Awards and Recognition

These accolades highlight LexisNexis’ ongoing commitment to innovation, leadership, and excellence in delivering cutting-edge technology.

LEGALTECH BREAKTHROUGH AWARD 2025

Overall LegalTech Data Solution Provider of the Year

2025 CODiE Award

Best Data Analytics & Insight Solution

2025 CODiE Award

LexisNexis Protégé™ – Best AI Tool for Lawyers

Sign up for your free Lex Machina Legal Analytics demo

Our analytics experts will put you in the driver's seat and let you experience the power of Lex Machina:  

Review the performance of your opposing counsel
Understand the litigation history of your opposing party
Analyze the behavior of a court or judge
Anticipate the chances of success of your next motion

LexisNexis, a division of RELX Inc., may contact you in your professional capacity with information about our other products, services, and events that we believe may be of interest. You can manage your communication preferences via our Preference Center. You can learn more about how we handle your personal data and your rights by reviewing our Privacy Policy.

Related Products

These products have integrations with Lex Machina and complement well together

2026 Employment Litigation Report Webinar

Generative Analytics

Legal Analytics

Comprehensive Court Database

Legal Entity Analytics