Legal research tools
Westlaw
All built on the same trusted foundation, there’s a version of Westlaw that will meet your needs — and your budget
Standard Legal Research
Westlaw Classic
Get accurate and comprehensive legal research you can trust.
Starting at $111.15/month
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.
Starting at $163.15/month
Everything in Westlaw Classic, plus:
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.
Newest version
Westlaw Precision with CoCounsel
Harness the power of generative AI and more precise researching.
Starting at $248.95/month
Everything in Westlaw Edge, plus:
AI-Assisted Research on Westlaw Precision with CoCounsel provides relevant answers to your questions with links to trusted Westlaw authority so you can make better-informed decisions and complete the remainder of your research with increased efficiency.
Search, filter, and browse by topic in half the time.
Quickly see the specific point of law in a case that has been invalidated.
View related cases that have a pattern of being cited together even if neither cites the other.
Westlaw is the most trusted and award-winning legal research service.
Compare Westlaw capabilities
Authoritative content
Rely on premier content such as primary law, secondary sources, litigation materials, and public records.
Editorial enhancements
Leverage proprietary enhancements like the Key Number System, KeyCite, Headnotes, and Notes of Decisions.
Westlaw app
Begin your research in one place and continue it on any device — anytime, anywhere — even offline.
Organization and collaboration tools
Organize, manage, and share your research across your organization with Folders, Folder Sharing, and Shared Notes.
Quick Check
Find highly relevant authority that traditional research may have missed.
Litigation Analytics
Get data-driven insights on judges, courts, attorneys, law firms, and case types.
KeyCite Overruling Risk
Receive alerts when a point of law has been implicitly undermined.
WestSearch Plus
Obtain predictive research suggestions that deliver the most relevant information for your legal issue.
Statutes Compare and Regulations Compare
See how any two statutes or regulations have changed over time.
AI-Assisted Research
Harness the power of generative AI and more precise researching.
Keep List/Hide Details
Save potentially useful cases and hide cases you don’t want to inadvertently re-review.
Graphical View of History
Visualize your research history with graphical displays.
Outline Builder
Drag and drop citations and text snippets into a customizable outline while you research.
KeyCite Overruled in Part
Quickly identify the specific point of law in a case that has been invalidated.
Precision Research
Find legally and factually similar cases faster and more effectively than ever before.
KeyCite Cited With
View related cases that have a pattern of being cited together even if neither cites the other.