Advanced legal research

Westlaw Edge

The standard in legal research.

The must-have tool for all your research needs

Access faster, more accurate, and first-of-its-kind tools such as advanced AI-driven search, intelligent document analysis, integrated litigation analytics, and more.

Identify issue and case gaps

Detect highly relevant authority that traditional research may have missed, enhancing your strategy.

Get answers to your legal questions faster

Address legal questions on thousands of topics and surface the information you need with efficiency, accuracy, and confidence.

The must-have tool for all your research needs

Access faster, more accurate, and first-of-its-kind tools such as advanced AI-driven search, intelligent document analysis, integrated litigation analytics, and more.

Identify issue and case gaps

Detect highly relevant authority that traditional research may have missed, enhancing your strategy.

Get answers to your legal questions faster

Address legal questions on thousands of topics and surface the information you need with efficiency, accuracy, and confidence.

See why Westlaw Edge is the premier legal research platform

Time-saving tools, editorial expertise, and the latest AI technology will help you conduct research in ways never before possible

1:41

Advanced features help you perform research tasks like never before

Westlaw Edge includes all the latest advancements in legal technology, plus the essential research features you’ve come to know and trust

WestSearch Plus

Predictive research suggestions

Search with natural language terms and get type-ahead suggestions, surfacing the most relevant information at the top of your results list. 

Litigation Analytics

Actionable data to improve your strategy

Enhance your strategy with data-driven insights on judges, courts, attorneys, law firms, and case types in most practice areas. Quickly answer questions around likely outcomes, schedules, and costs.

Quick Check

Identify gaps in your legal documents

Generate an AI-enhanced report indicating authority that may have been missed in traditional research, plus find authority contrary to your opponent's position. 

Essential features from Westlaw Classic

West Key Number System

Case-finding and issue spotting tool

Pinpoint legal issues and quickly find relevant cases. Rely on arguments that reflect the true nature of the law.

KeyCite

Complete and accurate citator

Work confidently with the ability to quickly verify whether a case, statute, or other legal authority is still good law.

Authoritative content

Rigorous editorial process

Rely on the most up-to-date, connected, and organized collections of caselaw, statutes, and regulations.

What’s New

Contrary Authority in Quick Check

Analyze your opponent’s brief for potential weaknesses

Gain a deeper level of insight into your opponent’s legal documents, and quickly uncover relevant authority that runs contrary to their position. Prioritize your review of cited authority with the ability to see which cases they spend the most time discussing.

Explore plans for law firms, companies, and government agencies

The most used and advanced research tool powered by cutting-edge AI technology.

Basic plan

Westlaw Edge Single State Primary

A simple but powerful plan that gives your firm access to cases, statutes, regulations, and administrative decisions from a single state.

Expanded plan

Westlaw Edge All States Primary

Quickly identify the information you need to resolve client issues with access to Westlaw Edge functionality and primary law from all 50 states.

Premium plan

Westlaw Edge All States & Federal Primary

Use primary law content from all 50 states and federal resources to ensure you are comprehensive with your research, while using the best AI tools Westlaw has to offer.

Complete your research more accurately and efficiently with this must-have research tool powered by cutting-edge AI.

Basic plan

Westlaw Edge Single State Primary

Cases, statutes, and court rules for a single state, powered with AI-driven functionality, making it ideal for law firms with a local focus.

Expanded plan

Westlaw Edge All States Primary

Primary law resources for all states, powered with AI functionality to help you quickly, effectively, and accurately solve your client’s needs.

Premium plan

Westlaw Edge All States & Federal Primary

Access primary law resources for all State and Federal Circuits, powered by AI functionality, ideal for law firms with regional and national reach.

The must-have research tool for your company, powered by cutting-edge AI, so you can complete your research faster and more efficiently.

Basic plan

Westlaw Edge Essentials

Get access to regularly updated caselaw for your state and make use of new tools enabled by AI to amplify your research.

Expanded plan

Westlaw Edge

Take your research to the next level with the AI power of Westlaw Edge and full access to all State and Federal caselaw.

Premium plan

Westlaw Edge Premium

Get complete access to regularly updated State and Federal caselaw and make use of new tools enabled by AI to amplify your research.

Complete your research faster and more efficiently with this must-have research tool powered by cutting-edge AI.

State plan

Westlaw Edge Essentials

This simple but powerful plan grants full access to your state’s primary law, along with cutting-edge efficiency tools powered by AI.

National plan

Westlaw Edge

Proceed with confidence by accessing all State and Federal primary law and leading research functionality powered by cutting-edge AI.

Question about Westlaw Edge? We’re here to support you.

1-888-728-7677

Call us or submit your email and a sales representative will contact you within one business day.