CoCounsel Legal
Fiduciary-Grade AI™ built to the standard the legal profession demands
76%
agree CoCounsel Legal improved research and drafting quality
64%
agree CoCounsel Legal helped reduce risk — including fewer errors, reduced exposure, and improved compliance
33%
average reduction in time spent on document review, research, and drafting
Forrester Total Economic Impact™ study commissioned by Thomson Reuters, 2026
Capabilities
Legal AI engineered to work at the level of a senior associate
CoCounsel Legal is the only AI that reasons from trusted Practical Law Canada guidance, authoritative Westlaw Canada content, and your organization’s own knowledge. From a single query, it handles research, analysis, and drafting — developing the right legal approach; working through each step; and delivering polished, cited work product — with no prompt engineering required.
Reasons through your matter, step by step
Describe what you need in plain language and CoCounsel Legal builds a tailored step-by-step plan with transparent reasoning that you can inspect from start to finish.
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Research built on real authority
Use the only legal AI grounded in Practical Law guidance, Westlaw content, and your firm’s own documents — so your work reflects trusted authority and the way you practice.
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From prompt to polished work product
Quickly turn a single request into a polished draft grounded in trusted content and prior-matter context, with linked citations for verification — giving you more time to apply judgment, refine strategy, and move matters forward.
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What’s new in CoCounsel Legal
Explore the latest features and capabilities designed to help legal professionals work faster, research deeper, and deliver more confident outcomes.
Workspaces
Keep your documents, templates, conversations, and matter history in one place, so context shapes how CoCounsel Legal reasons from the first prompt. Return to a matter and pick up where you left off instead of rebuilding from scratch.
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Multinational Profile
Compare legal requirements across more than 100 countries in a single workflow. It draws on Westlaw U.S., UK, Canada, and Australia; Practical Law Global; and other vetted sources.
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Tabular Analysis
Review up to 200 documents against 100 questions. Results are delivered in one dynamic table where you can filter, sort, and adjust the scope as the case evolves, with every answer traceable back to its source.
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Go deeper into the features within CoCounsel Legal
Interactive demo
CoCounsel Legal in action
CoCounsel Legal can handle any matter, any task, or any question. See how it interprets a request, builds a matter-specific plan, and pulls from Westlaw and Practical Law automatically.
Integrations
Engineered to work with the tools you rely on
Connected workflows, built in
CoCounsel Legal connects to the document management, collaboration, and practice management tools you rely on, so every matter has full context.
iManage
Analyze and draft with your iManage content in CoCounsel Legal without leaving your workflow.
SharePoint
Easily build on SharePoint documents with CoCounsel Legal’s research, drafting, and analysis capabilities.
HighQ
Put HighQ matter knowledge to work inside CoCounsel Legal.
Learn how CoCounsel Legal integrates with your tools
Security
Enterprise-grade security you can rely on
SOC 2 and ISO 42001 certified
Sensitive data is protected through rigorous privacy, governance, and responsible AI standards for modern legal environments.
Your data stays yours
Data remains secure and private, and we never use it to train underlying models.
Meet the confidentiality standard your practice demands
Customers
Why legal professionals are choosing CoCounsel Legal
“Next-gen CoCounsel Legal is on the right path in providing a closed system, sensitive to privacy, that allows complex analysis at a faster pace than what was possible. This will help give access to justice and new markets for lawyers.”
Travis Bissett, KC
Partner, Stringam Law
“It’s great that the new CoCounsel Legal gives responses that draw on everything I need, including the law, with just one prompt. I love redlining in the comparison and seeing the comments showing me the significant changes. This is a big enhancement!”
Stephen D’Agostino
Managing Partner, Thomson Rogers LLP
Insights and recognition
See the latest on CoCounsel Legal
Blog Legal work crosses borders. Now so does CoCounsel Legal.
Thomson Reuters launches the next generation of CoCounsel Legal globally, adding cross-border legal research from more than 100 countries and territories in a single workflow.
Read the press release-
Blog CoCounsel Legal is now available in Canada
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Blog What is Deep Research? Agentic AI for Canadian lawyers
Frequently asked questions
We’ve engineered CoCounsel Legal to work at the level of a senior associate, reasoning through legal issues the same way a lawyer does — from the sources you already trust. It is the only legal AI that reasons from trusted Practical Law guidance, authoritative Westlaw content, and your organization’s own knowledge. Built to meet the standard the profession demands, it is Fiduciary-Grade AI that lawyers can trust with the work that matters.
Describe your matter in plain language — whether it’s reviewing a contract, structuring a multijurisdictional deal, risk-spotting an employment document, or formulating a litigation strategy — and CoCounsel Legal handles the rest. It develops the legal approach, validates the work, and produces high-quality work product. Every step of the reasoning is visible as it works, and every citation is linked so lawyers can click through and verify the work themselves.
Yes, CoCounsel Legal uses generative AI and agentic AI to handle complex legal work and power capabilities like deep research and litigation document analysis. Grounded in trusted Westlaw and Practical Law content, CoCounsel Legal provides verifiable results, so you can feel confident your work is thorough and accurate.
CoCounsel Legal is designed to handle complex, multistep legal work the same way an experienced lawyer would — developing the right legal approach, working through each step, and delivering polished work product with citations.
Questions about CoCounsel Legal? We're here to support you
800-387-5164
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