Westlaw Precision with CoCounsel 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.

AI-Assisted Research

Harness the power of generative AI to make better-informed decisions for your legal research. Gain access to high-quality answers generated only from Westlaw content — known to be the most comprehensive and accurate — so you can complete the remainder of your research efficiently and with greater confidence. 

Claims Explorer

Use generative AI to simplify your claims research. Whether you are identifying claims, counterclaims, or risks to a client, this tool can help you find the strongest arguments for your matter and avoid missing those relevant to your case.

Precision Research

Discover important case attributes with Precision Research, enabling you to search, filter, and browse more efficiently. 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 with CoCounsel. 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.

Elevate your research to a new level

Have questions? Contact a representative.

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

Have questions? Contact a representative.

Exclusive editorial and content enhancements

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

Key Number System

The master classification system of U.S. case law 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 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 Decisions 

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.

Primary law 

Access state and federal case law, 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 with CoCounsel

Have questions? Contact a representative.

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 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 is 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

Have questions? Contact a representative.