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About CoCounsel

CoCounsel Review: Artificial Intelligence for Lawyers

Lawyerist Rating for CoCounsel

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Rating Breakdown

Our Rating: 4.6/5

Our rating is based on our subjective judgment. Use our resources—including our rating and community ratings and reviews—to find the best fit for your firm.

4.6/5

Overview
Featured Rating

What is CoCounsel?

CoCounsel is a legal AI assistant from Thomson Reuters for legal research, document analysis, drafting, and workflow support. The current legal product is commonly presented as CoCounsel Legal, and it is grounded in Thomson Reuters legal content, including Westlaw and Practical Law. For small-firm attorneys, CoCounsel may be useful for case law research, document review, contract analysis, drafting support, and litigation preparation. It is still an AI tool, so attorneys should verify citations, legal conclusions, and final work product before using them.

Starting Cost: Contact Vendor

Pros
  • Contract Review and Compliance
  • Document Analysis Focused
  • Legal Market Focused
Cons
  • Expensive
  • Add-on Product
  • Not for Caselaw Research
Overview
Featured Ratings

CoCounsel Review: Artificial Intelligence for Lawyers Features

Customer Experience & Support

/5

Price & Value

/5

Security

/5

Innovation & Future-Proofing

/5

Overview
Featured Rating
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CoCounsel Review: Artificial Intelligence for Lawyers Video

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Product Details

Apps
  • Web
  • MacOS
  • Windows
Website
https://legal.thomsonreuters.com/en/products/cocounsel-legal

Core Features

For Artificial Intelligence, the following are essential features, and you should therefore expect to see a check in every box in this section.

Yes
No

Product Security

Most AI products are built in such a way that they are inherently insecure. If this box is checked, the product or application claims to keep data secure and away from the prying eyes of the public. Although users should not put client information into these platforms, typically sensitive company information is safe.

Client Confidentiality

While some products are secure enough for your own data, others go the extra step of making sure no third party (even themselves) have access to any of the data in your AI product. In these cases, the provider claims that your data is secure enough to maintain your client's Attorney/Client privilege.

Marketing Tasks

Can this product be used for basic marketing tasks like blog creation, social media videos, or website images?

Documentation Assistance

Can this product be used to help document how to do something, whether internal or external facing?

Non-legal Research

Is this product helpful with basic, non-legal research?

Legal Research

Although answers from any large language model tool should be double checked by an appropriate expert, some products claim to be trained on legal specific information. In these cases, it may be reasonable to trust them with legal specific questions or research. Keep in mind, however, that your professional rules likely require you to check their work.

Basic Drafting

Will this product assist in basic drafting of non-legal specific documents (e.g. email, invoices, job descriptions)?

Legal Specific Drafting

Can this product be useful in handling legal specific drafting?

Contract Management

Can this product be used to create and manage contracts?

Frequently Asked Questions

Where can I use CoCounsel?

CoCounsel can be used through the web and in Microsoft tools, including Microsoft Word, Outlook, and Teams depending on product setup.

What is the price of CoCounsel?

Thomson Reuters provides plan pages and free demo options, but firms may need to request pricing or complete the sales process to see current plan costs.

Does CoCounsel integrate with my Law Practice Management Software?

CoCounsel integrates with Thomson Reuters tools such as Westlaw and Practical Law and can connect with Microsoft 365, document management systems, and HighQ.

Where does CoCounsel get its information?

CoCounsel uses Thomson Reuters legal content, including Westlaw and Practical Law, along with user-provided documents and connected firm sources when enabled. It can also work from selected skills, uploaded files, databases, and workspace integrations.

Does CoCounsel search caselaw?

CoCounsel is designed to support legal research, including case law research, through Westlaw and AI-assisted research tools. Attorneys should still verify cited authorities, jurisdictional fit, and legal conclusions before relying on the output.

What secondary sources does CoCounsel have?

CoCounsel can draw from Practical Law content, including expert-created guidance, templates, checklists, clauses, and related legal know-how. Available secondary sources depend on the subscribed CoCounsel plan and connected Thomson Reuters content.

Is CoCounsel reliable?

CoCounsel is built for legal professionals and emphasizes verifiable answers grounded in Thomson Reuters legal content. Attorneys should still review results carefully because AI tools can miss context, misunderstand facts, or produce incomplete legal analysis.

Is CoCounsel difficult to use?

CoCounsel is designed to work through plain-language instructions, skills, and guided workflows. Firms may still need onboarding, permissions review, Microsoft or DMS setup, and internal policies for responsible use.

What type of practice uses CoCounsel?

CoCounsel is useful for litigation, transactional, corporate, employment, personal injury, criminal law, family law, and business transactions. It is most relevant for practices that need legal research, drafting, document review, or contract analysis.

Does CoCounsel have reminders and alerts?

CoCounsel is not primarily a docketing, calendaring, or law practice management reminder system. It may help with workflow prompts and matter-related analysis, but firms should use dedicated calendaring and docketing systems for reminders and deadlines.

Additional Details about CoCounsel

Westlaw and Practical Law grounding

CoCounsel Legal is grounded in Thomson Reuters legal content, including Westlaw authority and Practical Law guidance. This makes it different from general-purpose AI tools that are not connected to legal research databases. For small-firm attorneys, that grounding may make CoCounsel more useful for legal research, drafting, and issue spotting. Even so, attorneys should review the cited authority and confirm that it applies to the client’s facts and jurisdiction.

Legal research and Deep Research

CoCounsel includes AI-assisted legal research features, including Deep Research workflows that Thomson Reuters describes as using agentic AI and trusted legal content. These tools are designed to help lawyers generate research plans, find relevant authority, and receive source-linked answers. For small firms, this may reduce the time needed to get from a research question to a first-pass legal analysis. The output should be treated as research support, not a substitute for attorney judgment.

Document review and analysis

CoCounsel can summarize, compare, review, and analyze uploaded documents. Thomson Reuters training materials describe workflows for reviewing documents, creating timelines, identifying citation issues, analyzing complaints, preparing for depositions, and working with discovery materials. This may be useful for small firms handling litigation files, demand packages, medical records, contracts, or large sets of client documents. Attorneys and staff should check the underlying documents before relying on any summary or extracted point.

Drafting and contract workflows

CoCounsel supports drafting workflows, including document drafting, contract clause work, agreement drafting from precedent, contract policy compliance, and Microsoft Word drafting tools. It can help lawyers modify language, review citations, create tables of authorities, compare drafts, and finalize documents. For transactional firms, it can assist with contract review, due diligence, clause comparison, and term updates. It should not be treated as a full replacement for contract lifecycle management software unless the firm confirms that its plan and integrations support that workflow.

Who CoCounsel is for

Best fit

  • Small firms that want legal AI connected to authoritative legal research and Practical Law content.
  • Litigation and transactional practices that need research, drafting, document review, and contract analysis support.
  • Firms already using Thomson Reuters products such as Westlaw, Practical Law, HighQ, or Microsoft-integrated legal drafting tools.

Not ideal for

  • Firms that need a low-cost or clearly published starting price before evaluating software.
  • Firms looking mainly for marketing, general productivity, or non-legal research support.

Not sure where to begin? Download our Field Guide

Take the guesswork out of researching, purchasing, and implementing the right legal tech products and services for your law firm. Our Field Guide answers your essential questions and breaks down the features most important to your business, so you can buy with confidence.

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