Lex Machina
Lex Machina is an AI-powered legal analytics platform that converts raw court documents into structured datasets on judges, counsel, parties, and case outcomes, serving large U.S. law firms, corporate legal departments, and insurers as a LexisNexis (RELX) product.
- Company typePrivate
- Founded2009
- HeadquartersMenlo Park, United States
- Headcount51–100
- GTM typeB2B
- OfferingSoftware
What Lex Machina does
Lex Machina is a legal analytics platform that converts raw court documents into structured, queryable datasets to support data-driven litigation strategy. Its proprietary AI pipeline, combined with attorney review, parses filings, signature blocks, and orders to build a database covering all 94 U.S. federal district courts, 13 courts of appeal, PTAB, specialty venues, and an expanding set of enhanced state courts. The platform delivers analytics on judges (8K+), expert witnesses (6K+), counsel (146M+ mentions), parties (149M+ mentions), case timing, motions, damages, and outcomes, and is trusted by over 90% of the largest U.S. law firms per April 2025 data. In 2025, Lex Machina layered a generative AI assistant, Protégé, over this structured dataset to enable prompt-based access to complex litigation intelligence.
The product surface includes a core Legal Analytics web platform, multiple analytics modules (Legal Entity Analytics, State Court Motion Metrics, Timing Events, Legal Findings, Appeals Analytics, Class Action Analytics), and a public API for third-party integration. Go-to-market is enterprise field sales executed primarily through the LexisNexis sales organization, targeting large law firms, corporate legal departments, insurers, courts and judges, federal/state/local government, and law schools. The business model is quote-based annual SaaS subscription licensing with seat-based or site licensing, typical of enterprise legal tech. Pricing is not publicly disclosed.
Lex Machina operates as a product line within LexisNexis, a division of RELX Inc. (a publicly traded UK-based information and analytics conglomerate), and is not separately funded or financially disclosed. The company is headquartered in Menlo Park, California, with 101-250 employees, and is led by CEO Karl Harris. Distribution leverage from the RELX/LexisNexis ecosystem (Lexis+, CourtLink, Law360, CaseMap+) and ongoing litigation-report thought leadership support both top-of-funnel demand generation and bottom-of-funnel enterprise conversion via a Request-a-Demo sales motion.
Lex Machina firmographics
Firmographics- Name
- Lex Machina
- Legal name
- Lex Machina
- Website
- https://lexmachina.com
- Company type
- Private
- Founded year
- 2009
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Lex Machina is an AI-powered legal analytics platform that converts raw court documents into structured datasets on judges, counsel, parties, and case outcomes, serving large U.S. law firms, corporate legal departments, and insurers as a LexisNexis (RELX) product.
- Ownership category
- akta.pro rank
Lex Machina industry classification
Industry- Product category
- Legal Analytics Software
- NAICS
- Software Publishers (513210), Web Search Portals, Libraries, Archives, and Other Information Services (519)
- SIC
- Services-Legal Services (8111)
- akta.pro primary industry
- eDiscovery, Document Coding & Litigation Support Data Processing (BPAAAKAH)
- akta.pro secondary industry
- Retrieval-Augmented Generation (RAG), Vector Databases & Knowledge Grounding (HDAAACAE)
Keywords
Where Lex Machina is headquartered
LocationHeadquarters
- HQ city
- Menlo Park
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Lex Machina business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Marketing or Sales, Operations, Infrastructure
Revenue model
- SaaS Subscription Licensing: Lex Machina operates as a subscription-based SaaS platform providing access to its Legal Analytics platform. The revenue model is based on annual or multi-year subscriptions with seat-based or site licensing.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Enterprise subscription - pricing not publicly disclosed |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels6 records
Lex Machina product offering
Product offeringCore offering
Lex Machina provides a Legal Analytics SaaS platform that uses proprietary AI and NLP technology to convert raw federal and state court documents into structured datasets. The platform delivers actionable intelligence on judge behavior, counsel performance, party history, expert witnesses, and case outcomes to support litigation strategy, outside counsel selection, and case outcome forecasting for law firms, corporate legal departments, insurers, and government entities.
Product overview
Lex Machina is a unified Legal Analytics platform by LexisNexis (RELX Inc.) that provides comprehensive litigation intelligence. The core platform combines a proprietary AI-powered analytics engine with extensive court database coverage. Key modules include Protégé (generative AI assistant), Legal Entity Analytics, State Court Motion Metrics, Appeals Analytics, and Class Action Analytics. The Lex Machina API enables developers to build custom solutions using the platform's litigation data. The system is trusted by over 90% of the largest law firms and covers all 94 federal district courts plus enhanced state courts.
Differentiator
Problem solved
Functional benefit
Brands
- Protégé in Lex Machina: AI-powered generative analytics feature integrated into the Lex Machina platform
Products and services
- Lex Machina Legal Analytics Platform
Quantifiable outcome
- 35-60% reductions in document review time for AI tools in legal sector
- +2 more outcomes
Companies that use Lex Machina
Customer profileNamed customers3 records
Segments7 records
Ideal customer profiles5 records
Lex Machina technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability5 records
Feature6 records
Lex Machina partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered core and flagship.
- Courtroom InsightcoreLex Machina's February 2023 collaboration with Courtroom Insight enables integrated access to litigation data and analytics. This partnership enhances the value proposition for legal professionals by providing seamless access to comprehensive litigation analytics within Courtroom Insight's platform.
- API Data Access PartnerscoreLex Machina's API data access collaboration enables third-party developers and partners to integrate the platform's litigation analytics data into their own solutions. This API-first approach extends the reach of Lex Machina's proprietary data to broader legal technology ecosystem.
- LexisNexisflagshipLex Machina operates as a product within the LexisNexis portfolio, integrated with Lexis+ with Protégé, CourtLink, Law360, and CaseMap+. The parent company's distribution network, customer base, and ecosystem provide strategic advantages for market reach and product integration.
Scale indicators8 records
Recent moves6 records
Expansion highlights5 records
Lex Machina competitors and assessment
Company assessmentEmerging players
- Relativity (RelativityOne): eDiscovery and legal analytics platform serving law firms, corporate legal, and government. Comparable in litigation support data processing and document analytics; complementary rather than direct substitute to Lex Machina's court-data analytics.
- vLex / Fastcase: Legal research and analytics platform with Vincent AI, providing case law and analytics for law firms globally. Competes with Lex Machina in legal research and analytics; stronger international footprint but shallower U.S. litigation-data depth.
- Everlaw: Cloud-native eDiscovery and litigation platform with growing analytics capabilities. Comparable to Lex Machina's litigation support function with overlap in document review, case analytics, and judge/party intelligence.
- Casetext (Thomson Reuters CoCounsel): AI-native legal research and document analysis platform acquired by Thomson Reuters. Competes with Lex Machina's Protégé on AI-assisted legal intelligence, particularly for tasks where general-purpose LLMs can substitute for structured analytics.
- Logikcull: Self-service eDiscovery and legal document review platform. Comparable to Lex Machina in litigation document processing and analytics, but focused on mid-market and corporate legal rather than AmLaw-dominated large-firm segment.
- Premonition: Litigation analytics platform focused on predicting judge and attorney outcomes using AI on court records. Most directly comparable niche competitor to Lex Machina's core judge/opposing-counsel analytics offering.
- Harvey: AI-native legal platform for law firms and corporate counsel built on foundation models. Represents the LLM-native threat to Lex Machina, with growing adoption at elite firms and corporate legal departments for research and drafting tasks.
Broad incumbents
- Bloomberg Law: Bloomberg's legal research platform combining docket, analytics, and news for law firms and corporate counsel. Overlaps with Lex Machina in litigation analytics but is part of a broader financial/legal information suite rather than a litigation-analytics specialist.
- LexisNexis Legal & Professional: Lex Machina's parent division within RELX, providing Lexis+ legal research, CourtLink dockets, and broader legal information services. Overlap is internal rather than competitive, but Lexis+ AI features increasingly intersect with Lex Machina's analytics value proposition.
Direct peers
- Westlaw Edge: Thomson Reuters' legal research and analytics platform offering litigation analytics, judge analytics, and AI-assisted legal research. Most direct head-to-head competitor to Lex Machina in legal analytics, particularly for AmLaw firms and corporate counsel.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
Lex Machina social profiles
Digital presenceLex Machina financial estimates
Financial estimateRevenue estimate
Valuation estimate
Lex Machina leadership team
Management profileNumber of profiles
Profiles4 records
Lex Machina funding detail
Funding detailFunding overview
Funding rounds4 records
Investors8 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Lex Machina M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Lex Machina
What does Lex Machina do?
Lex Machina provides a Legal Analytics SaaS platform that uses proprietary AI and NLP technology to convert raw federal and state court documents into structured datasets. The platform delivers actionable intelligence on judge behavior, counsel performance, party history, expert witnesses, and case outcomes to support litigation strategy, outside counsel selection, and case outcome forecasting for law firms, corporate legal departments, insurers, and government entities.
Is Lex Machina a public or private company?
Lex Machina is a private company. It is classified as corporate owned and is currently operating.
When was Lex Machina founded?
Lex Machina was founded in 2009. It employs 51 to 100 people.
Where is Lex Machina based?
Lex Machina is headquartered in Menlo Park, United States, in the North America region.
How does Lex Machina make money?
One revenue line is on record: saaS Subscription Licensing.
Who are Lex Machina's main competitors?
Emerging players on record are Relativity (RelativityOne), vLex / Fastcase, Everlaw, Casetext (Thomson Reuters CoCounsel), Logikcull, Premonition and Harvey. Broad incumbents are Bloomberg Law and LexisNexis Legal & Professional. Westlaw Edge is listed as a direct peer.
Does Lex Machina have an API?
Yes. Lex Machina provides API integration that allows developers to leverage the industry's litigation data to create custom solutions. The API enables access to comprehensive court database, case analytics, judge behavior, counsel performance, and party data.
What industry is Lex Machina in?
Lex Machina's product category is Legal Analytics Software. Its primary akta.pro industry code is BPAAAKAH, eDiscovery, Document Coding & Litigation Support Data Processing, with a secondary code of HDAAACAE, Retrieval-Augmented Generation (RAG), Vector Databases & Knowledge Grounding. Its NAICS code is 513210 and its SIC code is 8111.