The standard for legal research — now built for what's next
Westlaw brings together trusted legal content, editorial expertise, and artificial intelligence — helping you move faster from question to answer, and from research to strategy
Redefining the limits of legal research
Westlaw continues to evolve — helping legal professionals work faster, search more intelligently, and research with greater confidence.
Decades of innovation; one trusted research foundation
Find the right solution for how you work
Each Westlaw product is built on the same trusted foundation, with the level of AI that best fits the way you practice.
Agentic AI legal research
Westlaw Advantage
Move from legal research to deeper analysis and strategy with agentic AI grounded in trusted Westlaw authority.
For legal teams handling complex matters, high-stakes litigation, multistep research, and strategy-intensive workflows.
- Deep Research — agentic AI that runs your full research workflow, start to finish
- Litigation Document Analyzer — surfaces mischaracterizations in opposing filings
- Claims Explorer — identify causes of action from a fact pattern, faster
AI-enhanced legal research
Westlaw Edge + AI-Assisted Research
Get faster answers to legal research questions while staying connected to trusted legal authority.
For legal professionals and teams ready to accelerate research with AI-assisted answers grounded in Westlaw content.
- AI-Assisted Research — synthesized answers with full citations
- AI Jurisdictional Surveys across all 50 states
- Quick Check — Review briefs and memos to uncover relevant authority and strengthen analysis
Advanced legal research and analytics
Westlaw Edge
Research more efficiently, validate authority, and gain deeper legal insights with advanced research intelligence.
For legal professionals and teams that want powerful research tools, trusted authority, and analytics in a familiar Westlaw workflow.
- Litigation Analytics — Surface data-driven insights on judges, courts, attorneys, law firms, and case types
- KeyCite Overruling Risk — Flag cases that may rely on law that has been implicitly undermined
- Quick Check — Review briefs and memos to uncover relevant authority and strengthen analysis
Amplify Westlaw with integrated legal solutions
AI that reasons from Westlaw authority
Discover the only legal Fiduciary-Grade AI™ that reasons from Westlaw, Practical Law, and your firm's own knowledge. Leveraging Westlaw's research capabilities, including Deep Research from Westlaw Advantage, you can be confident that every insight is grounded in Westlaw sources that can be verified with a click. From a single query, CoCounsel Legal can handle your research, analysis, and drafting needs.
Practical Law guidance without leaving Westlaw
Access Practical Law's expert guidance directly from Westlaw search results — no switching platforms. With over 650 attorney editors maintaining how-to content, Practical Law helps you understand how to handle complex issues while staying grounded in Westlaw's authoritative primary law.
Frequently asked questions
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- Access to all products including enterprise AI
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