Lex Machina

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.

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

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

• Legal analytics software
• Litigation intelligence
• Court data analytics
• Judicial analytics
• Case strategy analytics

Headquarters

HQ city

Menlo Park

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Marketing or Sales, Operations, Infrastructure

Revenue model

1. 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

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core 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

Named customers3 records

Segments7 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

AI capability5 records

Feature6 records

Partnerships

Three partnerships are on record, tiered core and flagship.

• Courtroom InsightcoreTechnology or Integration · 1 February 2023Lex 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 PartnerscoreTechnology or Integration · 1 February 2023Lex 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.
• LexisNexisflagshipStrategic or Co-development PartnerLex 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

Emerging 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

• Xx.com/lexmachina
• LinkedInlinkedin.com/company/732353
• Facebookfacebook.com/lexmachinainc

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds4 records

Investors8 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Lex Machina