CoCounsel Legal
by Thomson Reuters
Agentic legal research and drafting grounded in Westlaw
Reviewed by the the30top research team · Last reviewed 2026-10-27
Overview
CoCounsel Legal handles research, tabular analysis and document drafting, working step by step from trusted Thomson Reuters sources such as Westlaw and Practical Law, and includes Westlaw Brief Builder. It integrates with Microsoft Word, Outlook and Teams plus document systems like iManage, NetDocuments and SharePoint. Pricing is not public, and full value depends on the wider Thomson Reuters content subscription.
Our verdict
A natural choice for teams in the Thomson Reuters ecosystem who want research answers tied to authority. Check cost against your current subscription before comparing.
Best for
Litigation and research-heavy firms already on Westlaw that want cited, source-grounded AI.
Avoid if
You mainly need contract redlining and have no research workload.
Pros
- Answers tied to Westlaw and Practical Law sources
- Wide integration list across DMS and Microsoft tools
- Free trial available on request
Cons
- No published pricing
- Best value for existing Thomson Reuters customers
- Output still needs attorney verification
Key capabilities
Frequently asked questions
What is CoCounsel Legal?
A Thomson Reuters AI product for legal research, analysis and drafting grounded in sources like Westlaw and Practical Law.
Does CoCounsel Legal integrate with Word?
Yes. The site lists Microsoft Word, Outlook and Teams, plus iManage, NetDocuments and SharePoint.
Can I try it for free?
The site offers a request-a-free-trial option.