Legal research tools

Westlaw

Considering LexisNexis? Discover why customers are choosing Westlaw, the legal industry’s trusted and award-winning legal research service. There’s a version that will meet your needs — and your budget.

NEXT-GENERATION LEGAL RESEARCH

Westlaw Advantage

Transform your legal research with Westlaw Advantage, combining industry-leading content and advanced agentic AI for unmatched efficiency and accuracy. Deep Research uses custom-trained AI and trusted Westlaw tools like KeyCite and the Key Number System to deliver thorough, transparent results. Litigation Document Analyzer expands on Quick Check, uncovering hidden insights, detecting potential mischaracterizations of law, and simplifying complex complaints. Whether analyzing documents, building arguments, or assessing cases, Westlaw Advantage gives you the comprehensive tools and expertise to achieve better outcomes, faster.

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Standard Legal Research

Westlaw Classic

Get accurate and comprehensive legal research you can trust.

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Access the most comprehensive collection of primary and secondary law for thorough research.

Find related law quickly with the most reputable and granular subject classification system, the Key Number System.

Work confidently, knowing you're relying on good law with the best-in-class citator, KeyCite.

Retrieve background history of attorneys, judges, experts, and companies.

Advanced features

Westlaw Edge

Gain a competitive advantage through intelligent insights and analysis.

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Upload legal documents to create a report indicating authority that may have been missed and authority contrary to your opponent’s position.

Access data-driven insights on judges, courts, attorneys, law firms, damages, and case types to enhance your case strategy.

Gain better exposure to invalid law with KeyCite Overruling Risk.

Instantly compare statute and regulation versions.

Includes all the features and functionality of Westlaw Classic.

Advanced AI Features

Westlaw Edge with AI-Assisted Research

Harness the power of advanced AI.

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Get relevant answers to your legal research questions with AI-Assisted Research. Verify the results using links to trusted Westlaw authority so you can make better-informed decisions and complete the remainder of your research more efficiently.

Speed up the process of finding relevant laws across multiple jurisdictions with AI Jurisdictional Surveys. Just start with a targeted search query and filter by relevant jurisdictions.

Includes all the features and functionality of Westlaw Edge.