WESTLAW LEGAL RESEARCH
Legal research that works as hard as you do
From industry-leading content to groundbreaking agentic legal AI, there's a Westlaw that will meet your needs — and your budget
50,000+
law firms and legal departments rely on Westlaw's trusted, authoritative content
6,000+
state government agencies — including courts in 94% of U.S. states — trust Westlaw
Deeper, smarter legal research with Westlaw Advantage
Leverage agentic AI to quickly explore every aspect of your legal question — just like an expert legal researcher would.
Starting at $256.75/month
Expert AI-powered research
Execute complex legal research with custom-trained agentic AI grounded in Westlaw’s legal content — it's like having a seasoned legal researcher at your side.
Deeper legal insights
Analyze your legal documents and pleadings to uncover potential misrepresentations of the law and possible counterarguments to opposing counsel.
Simplified claims research
Leverage AI to find the strongest claims for your matter and avoid missing those that are relevant to your case.
Faster everyday research with Westlaw Edge
Find the answers you need with accurate and trusted legal research backed by the most comprehensive collection of primary and secondary law resources.
Starting at $107.25/month
Trusted, accurate legal content
Be confident you are relying on the same industry-leading content and exclusive editorial enhancements that have provided generations of lawyers with results they can trust.
Confident decision-making
Discover hidden insights with tools like Quick Check, KeyCite Overruling Risk, and Litigation Analytics, which provide trusted citations and strategic analysis to enable better decisions.
Time-saving innovation
Save time with innovative tools like Statutes Compare, Regulations Compare, and WestSearch Plus, which deliver rapid, accurate results and enhance the depth of your research.
Which version of Westlaw is best for you?
Westlaw Advantage
Leverage the agentic AI of Deep Research to plan and execute complex research that explores every angle of your legal question.
Westlaw Edge
Access accurate and trusted legal research with the most comprehensive collection of primary and secondary law resources.
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Compare plans and features
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| Authoritative legal content | Westlaw Advantage | Westlaw Edge |
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Authoritative content
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Included | Included |
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Editorial enhancements
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Included | Included |
| Industry-leading AI legal research | Westlaw Advantage | Westlaw Edge |
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Deep Research
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Included | Not included |
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Agentic AI workflows
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Included | Not included |
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Litigation Document Analyzer
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Included | Not included |
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Additional Westlaw AI capabilities
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Included | Not included |
"
It’s like a legal research assistant on steroids.
Diane Haar
Founder, Attorney at Law
Hawaii Disability Legal Services, LLLC
View case study
The legal industry's trusted and award-winning legal research provider
