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*
CoCounsel Legal
CoCounsel Legal
Capabilities
Legal AI engineered to work at the level of a senior associate
CoCounsel Legal is the only AI that reasons from authoritative Westlaw content, trusted Practical Law guidance, 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 — 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.
Research built on real authority
Use the only legal AI grounded in Westlaw content, Practical Law guidance, and your firm's own documents — so your work reflects trusted authority and the way you practice.
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.
What's new in CoCounsel Legal
Explore the latest features and capabilities designed to help legal professionals work faster, go 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.
Westlaw Brief Builder
Build litigation briefs from issue framing to argument structure, all grounded in Westlaw and Practical Law authority. The attorney stays in control, reviewing facts, choosing arguments, attaching relevant authority, and validating the draft and citations to build briefs faster under tight deadlines.
Tabular Analysis
Review up to 10,000 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.
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
Built 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.
Netdocuments
Turn NetDocuments files into AI-ready matter context for faster work.
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.
DeepJudge
Gain a 360-degree view of your firm's internal knowledge alongside Westlaw and Practical Law, in one place.
Smokeball
See Smokeball case files surfaced directly in CoCounsel Legal, with no manual uploads required.
Box
Move Box files from storage to action with CoCounsel Legal’s analysis and drafting.
Litify
Go from Litify case files to polished work product faster.
Work with CoCounsel Legal across your stack
Keep your work connected using CoCounsel Legal directly inside Microsoft Word, Outlook, Teams, and other tools you rely on without switching apps.
Microsoft Word
Draft, review, and refine legal documents directly in Microsoft Word.
Microsoft Outlook
Find key information, draft responses, and accelerate legal work from Outlook.
Microsoft Teams
Bring CoCounsel into Teams conversations for faster legal answers and action.
Claude
Handle complex legal work within Claude using the CoCounsel Legal MCP.
HighQ
Combine secure collaboration with AI insights using CoCounsel in HighQ.
Supio
Connect personal injury case intelligence with trusted legal authority and analysis.
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.
Built to meet the confidentiality standard your practice demands
Customers
Why legal professionals are choosing CoCounsel Legal
CoCounsel Legal, built on the sources Albright Yee & Schmit already trusts
CoCounsel Legal brings trusted research directly into Word — efficient, reliable, and right where Albright Yee & Schmit works.
Why Robinson & Cole trusts CoCounsel Legal for research
Attorneys turned to Deep Research and Litigation Document Analyzer first — trusted, Westlaw-grounded tools built for real casework.
Why Troutman Pepper Locke calls CoCounsel Legal a total game-changer
Attorneys ask plain-language questions and see the step-by-step approach, grounded in Westlaw and Practical Law — no fixed workflow to follow.
Insights and recognition
See the latest on CoCounsel Legal
Blog The next generation of CoCounsel Legal
CoCounsel Legal now completes complex legal work in a single conversation. Describe what you need in plain language and agentic reasoning builds the plan and executes each step — grounded in Westlaw, Practical Law, and your own documents — with every step traceable and verifiable.
Read the blog
Infographic How AI has changed legal work — and where it's going
Blog From capability to confidence: How CoCounsel is redefining legal AI
Blog Behind the build of CoCounsel Legal reimagined: 2026 updates
Recognized across the industry
CoCounsel Legal has been recognized by leading legal industry organizations for innovation, product excellence, and research technology that sets the standard for the profession.
ILTA's Distinguished Peer Awards 2026
- Solution Provider of the Year
- Trailblazer Award for Thomson Reuters partnership with Womble Bond Dickinson
American Association of Law Libraries
- 2026 New Product Award for Thomson Reuters CoCounsel Legal
The National Law Journal
Best of 2026 Winner
- Best Legal Research App/Service
- Best Legal Know-How Provider
The Recorder
Best of 2026 Winner
- Legal Research Provider
- Online Legal Research Provider
Frequently asked questions
We’ve engineered CoCounsel Legal to work at the level of a senior associate, reasoning through legal issues the same way an attorney does — from the sources you already trust. It is the only legal AI that reasons from authoritative Westlaw primary law, trusted Practical Law guidance, and your organization's knowledge. Built to meet the standard the profession demands, it is Fiduciary-Grade AI that attorneys can trust with the work that matters.
Describe your matter in plain language — whether it is a contract review, litigation strategy, deal structuring, or circuit split analysis — 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 attorneys 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 thurough and accurate.
CoCounsel Legal is designed to handle complex, multistep legal work the same way an experienced attorney would — developing the right legal approach, working through each step, and delivering polished work product with citations.
*Forrester Total Economic Impact(TM) study commissioned by Thomson Reuters, 2026
Questions about CoCounsel Legal? We’re here to support you.
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