CoCounsel Legal
Introducing the next generation – AI built to the standard the profession demands
See it in action
Meet CoCounsel Legal
Legal AI engineered to work at the level of a senior associate
CoCounsel Legal has been rebuilt from the ground up. It’s the only legal AI that reasons from authoritative Westlaw primary law, trusted Practical Law guidance, and your organization’s own knowledge. Describe what you need in plain language, and CoCounsel Legal develops the right legal approach, works through each step, and delivers polished work product with citations.
76%
agree CoCounsel Legal has improved research and drafting quality*
64%
agree CoCounsel Legal has helped reduce risk — fewer errors, reduced exposure, and improved compliance*
1/3
average reduction in time spent on document review, research, and drafting*
*Forrester Total Economic Impact(TM) study commissioned by Thomson Reuters, 2026
Try Next-Gen CoCounsel Legal Today
Early access to the new CoCounsel Legal experience is available now
The next era of CoCounsel Legal starts now. Get early access to the next generation — with new capabilities rolling out continuously between now and the broader release later this summer.
New customers get early access with a CoCounsel Legal plan
Explore the interactive demo to see it in action
Current CoCounsel Legal customers get early access now
Capabilities
Move seamlessly from prompt to polished work product
Research, analysis, and drafting — delivered together from a single query.
- Describe what you need
- Watch it work
- Rely on trusted content
- Deliver stronger work
- Organize every matter
Fewer steps, bigger outcomes
- Describe what you need in plain language — whether it's preparing for a deposition, drafting an agreement, or analyzing a regulatory matter.
- CoCounsel Legal delivers a polished draft, handling each step from start to finish.
- No prompt engineering, no workflows to configure, no tool switching.
Purpose-built for the law
- Designed to work through legal problems the way an attorney would — forming an approach, pursuing the right inquiry, arriving at a conclusion.
- Each step is visible as it works, so you can follow the reasoning in real time.
- Step in and redirect the work at any point.
Automatically draws from sources you trust
- The only legal AI that reasons using authoritative Westlaw primary law and trusted Practical Law guidance.
- Your organization’s knowledge shapes the analysis, informs the draft, and ensures what comes out reflects your practice.
- The result is work product grounded in the sources the profession has relied on for decades.
More time for the work only you can do
- Get high quality, well-reasoned work product ready for your review.
- Every citation is linked and one click away for easy verification.
- Spend more time on the judgment, strategy, and expertise that only you can bring.
Context that stays with the matter
- Workspaces keep your documents, templates, and prior work organized by matter.
- The context is always there — pick up exactly where you left off, with reasoning that reflects the full history of the matter.
- Spend less time managing the matter and more time working on it.
Experience everything CoCounsel Legal has to offer
Interactive demo
Explore the next generation of CoCounsel Legal
See the new experience in action
Access an on-demand interactive demo and walk through the new CoCounsel Legal experience for yourself. See how it interprets a request, builds a matter-specific plan, and pulls from Westlaw and Practical Law automatically.
Fiduciary-Grade AI™: Built for legal work you can stand behind
Grounded in trusted sources
The only legal AI built on Westlaw and Practical Law — reasoning from trusted authority and know-how alongside your organization’s data on every matter.
Engineered for the law
Purpose-built with practicing attorneys, CoCounsel Legal is designed to work through a legal problem the same way an attorney would.
Built for defensibility
The reasoning path is visible as it works and results are designed to be transparent and verifiable so you can work with confidence.
Your data stays yours
Operate confidently knowing your sensitive data is secure, private, and not being used to train AI models.
Testimonials
Hear from professionals who have been using the new CoCounsel Legal experience
“The next generation of CoCounsel Legal seems to be a total game-changer as we’ve introduced it to litigation and transactional attorneys.”
Andrew P. Medeiros
Managing Director of Innovation
Troutman Pepper Locke LLP
“The new version of CoCounsel Legal is now one of the first tools I turn to when I want to get work done. Where I once used CoCounsel Legal for specific tasks, I now start nearly everything with the new CoCounsel Legal.”
Dan Block
Director
Sterne, Kessler, Goldstein & Fox PLLC
“The underlying legal analysis genuinely blew me away and made me rethink what is possible with AI in complex litigation work.”
Brooke Conkle
Partner, Consumer Financial Services
Troutman Pepper Locke LLP
Case studies
CoCounsel in action
The business case for CoCounsel Legal in the modern law firm
“Sophisticated clients are expecting their firms to have access to tools that can do what CoCounsel Legal does. We put technology in the hands of our attorneys that gets them to be better, smarter, faster, and more efficient.”
Chief knowledge and innovation officer, labor and employment law
The transformative power of GenAI in CoCounsel
"What CoCounsel has allowed us to do is efficiently manage massive amounts of data and become more responsive to our clients’ needs, in a timelier fashion."
Ted Schaer, Chairman of Litigation at Zarwin Baum
Turbocharging legal tasks with CoCounsel generative AI
"A task that would previously have taken an hour was completed in five minutes or less."
Jarret Coleman, General Counsel at Century Communities
Frequently asked questions
CoCounsel Legal is the most advanced single AI tool that helps you complete research, drafting, and document analysis with speed and precision. It allows you to work across the tools you use every day — including Westlaw, Practical Law, Microsoft 365, and document management systems (DMS) — within a single, unified experience. Enhanced with the power of expert-created prompts, end-to-end agentic workflows, and deep research, CoCounsel Legal enables you to work faster so you can focus on the high-value strategies that drive better business outcomes and growth. It is purpose-built for legal professionals and grounded in authoritative Westlaw and Practical Law content and expertise, so you can feel confident your results are thorough and accurate.
As you navigate CoCounsel Legal, your AI assistant will follow you throughout your workflow, ready to help with research, analysis, and drafting tasks like modifying a contract or document discovery review.
You can also tap into powerful agentic AI workflows by using features like Deep Research, which emulates the workflow of a seasoned legal researcher, formulating and executing a multistep plan to cover every base of your legal questions.
Yes, CoCounsel Legal uses generative AI and agentic AI to power capabilities like deep research, litigation document analysis, and end-to-end agentic workflows that help transform the way legal professionals work. Grounded in trusted Westlaw and Practical Law content, CoCounsel Legal provides verifiable results, so you can feel confident your work is thorough and accurate.
Questions about CoCounsel Legal? We’re here to support you.
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