AI legal research tool

Fast-track your legal research with Westlaw Advantage 

Gain deep insights and move seamlessly from research to strategy with the combined power of agentic AI and industry-leading content

Achieve thorough, accurate results with powerful legal research tools

Move past basic search — get actionable answers with Deep Research

Emulate the workflow of a seasoned legal researcher with Deep Research, using agentic AI to formulate and execute a multistep plan that explores every angle of your legal question. With a transparent step-by-step research plan and a comprehensive report featuring links to authority, you get results you can trust — and insights you might otherwise miss.

Explore more features

Have questions?
Contact a representative

Go beyond citation checks with Litigation Document Analyzer

Gain deeper insights and the confidence to respond efficiently to every challenge your case presents. Litigation Document Analyzer uncovers potential misrepresentations of the law throughout an entire document, not just within quoted material. It also analyzes opposing arguments, suggests potential counterarguments with supporting legal authority, and transforms complex complaints into clear and concise summaries.

Explore more features

Have questions?
Contact a representative

Simplify claims research with Claims Explorer

Use AI to help you find the strongest claims for your matter and avoid missing those that are relevant to your case. Simply enter the facts of your case and receive a list of claims to consider with Claims Explorer.

Explore more features

Have questions?
Contact a representative

A solution for every legal professional

Law firms

Streamline complex legal research, accelerate analysis, and ensure your arguments are always backed by the latest, most reliable law.

 

Corporate legal departments

Quickly assess liability, survey laws across jurisdictions, and advise your organization with the confidence that comes from comprehensive, accurate research.

 

Courts and government agencies

Rely on the same trusted platform used by 94% of state courts — and the entire federal court system — for authoritative answers and up-to-date legal content.

 

Transform your legal research workflows

Move from research to results — faster and smarter

Get the answers and strategic insights you need in real time with unmatched transparency so you can act decisively, knowing every angle is covered. Westlaw Advantage combines the latest in agentic AI with expert legal content, empowering you to build stronger cases with less manual effort.

48,000+

law firms and legal departments rely on Westlaw, including 80% of the Am Law 100.

6,000+

state government agencies — including courts in 94% of U.S. states — trust Westlaw.

100%

of the U.S. federal court system — including the Supreme Court, circuit courts, and all federal public defenders — uses Westlaw.

Discover related products

CoCounsel Legal

Transform your work with the most advanced single AI legal solution. Designed by legal experts and built on trusted content and advanced AI, CoCounsel Legal allows you to complete research, document analysis, and drafting with unmatched speed and precision.
Learn more about CoCounsel Legal

CoCounsel Essentials

Automate essential legal tasks like document analysis, review, and drafting with an advanced AI tool built to boost productivity, accuracy, and confidence. CoCounsel Essentials enables you to deliver faster, more thorough work so you can focus on higher-level strategy and client relationships.
Learn more about CoCounsel Essentials

Practical Law

Accelerate how you find answers with powerful AI capabilities and the expertise of over 650 attorney-editors. With Practical Law, you gain access to thousands of expertly maintained how-to guides, templates, checklists, and more across all major practice areas.
Learn more about Practical Law

Frequently asked questions

How does Westlaw Advantage use agentic AI for legal research?

Westlaw Advantage applies advanced agentic AI to formulate multistep legal research, leveraging trusted Westlaw content and proprietary tools to deliver comprehensive, transparent, and actionable answers.
What makes Westlaw Advantage different from other research platforms?

Westlaw Advantage combines industry-leading editorial content, exclusive research tools, and advanced AI. Hundreds of attorney-editors maintain legal content to ensure unmatched accuracy and depth.
Can Westlaw Advantage analyze litigation documents?

Yes. Litigation Document Analyzer goes beyond citation checks to identify mischaracterizations of the law, analyze arguments, and provide concise summaries to help you respond effectively.
Who is using Westlaw Advantage?

Westlaw is trusted by law firms, corporate legal departments, courts, and government agencies — including 94% of U.S. state courts and the entire federal court system.
Is training or support available for new users?

Yes. Westlaw Advantage offers comprehensive training resources and dedicated support to help you get the most from your subscription.
What is Westlaw Advantage?

Westlaw Advantage is a transformative legal research solution that combines the capabilities of agentic AI with industry-leading legal content. With its Deep Research functionality, Westlaw Advantage operates like an expert researcher, providing you with accurate information so you can move quickly from research to strategy. 
What is the difference between Westlaw Advantage and Westlaw Edge with AI-Assisted Research?

Westlaw Advantage and Westlaw Edge with AI-Assisted Research both provide accurate and trusted answers to your legal questions based on expert legal content. Westlaw Advantage takes things a step further by employing agentic AI to conduct multistep processes without being prompted.