CoCounsel Legal

Thomson Reuters CoCounsel Legal is an AI-based solution designed to support legal professionals with work such as research, document analysis, and drafting. It is built with agentic AI, trusted Westlaw and Practical Law content, and the expertise of Thomson Reuters. CoCounsel Legal brings legal professionals’ work into a single, seamless, AI-powered workflow to complete projects more quickly, throughout and accurately.  

Notable aspects of CoCounsel Legal include:  

CoCounsel, the AI legal assistant: Accessible through chat, CoCounsel manages work across Thomson Reuters products as well as platforms like Microsoft Word and document management systems, linking information and identifying relevant insights.  

Deep Research in Westlaw: CoCounsel uses agentic technology to perform legal research by planning and executing multi-step searches. It explains its reasoning and sources, and delivers structured reports based on Westlaw content. 

Agentic workflows: Designed by Practical Law editors, agentic workflows suggest and then carry out recommended steps for a project at a lawyer’s request. Instead of requiring turn-by-turn prompting, agentic workflows tie work together across research, drafting, and document analysis.  

Library: CoCounsel Legal’s Library is a collection of skills, workflows, and AI prompts for a broad range of legal tasks, found directly within the CoCounsel chat—created and tested by Thomson Reuters experts. Expert-written prompts remove the guesswork and provide faster legal research, document analysis, and drafting results.  

Integrations: The solution integrates with commonly used platforms including Microsoft Word, Teams, Outlook, and various document management systems. 

Partnership: Thomson Reuters also provides customer support, education, and training to help legal teams use the solution effectively and adapt to changes in the legal industry.