Tax & Accounting

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Trade & Supply

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Risk & Fraud

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Westlaw Precision features

The fastest way to find what you need

First-of-their-kind tools offer the most efficient way to conduct research and find on-point cases

The power of precision

New capabilities deliver advanced speed and accuracy, providing you with greater confidence in your research.

Precision Research

Reveals important case attributes, enabling you to search, filter, and browse more efficiently than ever before. Run a search that gathers all the potentially relevant cases, then filter your results by legal issue, fact pattern, motion type, outcome, and more.

KeyCite Cited With

Find connections between cases that would traditionally be difficult to uncover. KeyCite Cited With allows you to quickly identify related cases that have a pattern of being cited together, even if neither cites the other.

Outline Builder

Quickly and easily build outlines without needing to leave Westlaw Precision. Open Outline Builder side-by-side with a document while researching, then drag and drop important text or citations directly into your outline.  

KeyCite Overruled in Part

Identify the specific point of law in a case that has been invalidated so that other valid points of law aren’t missed. Look for a red-striped flag to indicate that a case has been overruled in part.

Keep List/Hide Details

Save potentially useful cases and hide cases you don’t want to inadvertently re-review. Selections persist across multiple searches to make your research even more efficient.

Graphical View of History 

View a graphical visualization of your research history, mapping out the steps you took and the searches and documents you had more interaction with.

Elevate your research to a new level

Additional research tools

Tools, such as intelligent document analysis, a powerful legal search engine, and integrated litigation analytics, can help you expedite legal research tasks that were once incredibly complex and time consuming.

Quick Check

Improve the quality and thoroughness of your work without sacrificing time. Upload a brief to receive a report that surfaces any bad law, additional highly relevant authority, and authority contrary to what your opponent cited.

Litigation Analytics

View relevant data-driven insights on judges, courts, attorneys, law firms, damages, and case types, so you can better manage client expectations and build the strongest case strategy

KeyCite Overruling Risk

Quickly determine when a point of law has been implicitly undermined based on its reliance on an overruled or otherwise invalid prior decision.

WestSearch Plus

Save time digging through results lists and complete your research with confidence. WestSearch Plus uses advanced AI to surface the information you need right to the top of your results. 

Statutes Compare & Regulations Compare

Streamline your legal research with the ability to instantly see the most recent changes to a statute or regulation and compare any two versions.

Jurisdictional Surveys

Quickly retrieve a customized and relevant compilation of laws across all U.S. jurisdictions on virtually any topic to expedite the creation of your survey.

Discover the most efficient way to conduct research

Exclusive editorial enhancements

Leverage proprietary editorial enhancements designed to help you find the legal information you need quickly and confidently.

Key Number System

The master classification system of U.S. caselaw for over 100 years helps you to easily find and move between relevant cases, addressing a specific point of law in any jurisdiction.


The industry’s most complete, accurate, up-to-the-minute citation service that instantly verifies whether a case, statute, regulation, or administrative decision is still good law.


Rely on concise summaries of the points of law addressed in a case, written by attorney-editors, to quickly review the facts, holding, and relevance to your legal issue.

Notes of Decision 

Notes of Decisions connect brief summaries of important cases to the statute or regulation they interpret, so you can quickly understand the most current interpretation of the law. 

Find the information you need faster

Content collection

The most comprehensive, accurate, and up-to-date collection of legal information.

Primary law

Access state and federal caselaw, statutes, regulations, court rules, and administrative materials.

Secondary sources

Explore an unmatched collection of analytical materials, including Wright & Miller Federal Practice and Procedure, Corpus Juris Secundum (C.J.S.), Causes of Action (COA), law reviews, journals, and more.

Litigation materials 

Leverage a comprehensive collection of litigation materials, including briefs, pleadings, motions, memoranda, dockets, and more.

Know your legal research is complete with Westlaw Precision

Human expertise

You can trust that your research is supported by real people with real world legal experience, extensive training, and passion for serving the legal community.


Our team of bar-admitted attorney-editors analyze, categorize, and summarize the law, creating editorial enhancements to help you research more efficiently and with greater accuracy.

Reference Attorneys 

The industry’s premier team of legal research support professionals are available 24/7 to keep your research moving forward. Every Reference Attorney is a bar-admitted legal research expert with a deep understanding of our solutions.

Experience the next evolution in legal research

Questions about Westlaw Precision? We’re here to support you.


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


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