Casetext
CoCounsel by Thomson Reuters delivers AI-powered legal research, drafting, and workflow automation. Built on trusted content and expert systems, it helps professionals save time and work smarter.
About Casetext CoCounsel
AI That Understands Legal Work
Casetext, now part of Thomson Reuters under the CoCounsel brand, delivers a powerful generative AI platform for legal, tax, and professional service teams. It combines expert-trained AI with authoritative content from Westlaw, Practical Law, and Checkpoint Edge to streamline research, drafting, and document review.
Built for Professionals, Backed by Trust
With industry-grade security and unmatched content integration, CoCounsel empowers legal professionals, accountants, and compliance teams to spend less time on repetitive tasks and more time on strategic work that matters.
CoCounsel for Legal Teams
Legal Research with Westlaw Precision
CoCounsel accelerates legal research by combining generative AI with 150+ years of trusted legal content. Users can ask complex research questions and receive direct, accurate answers—without bouncing between sources.
Automated Legal Drafting
CoCounsel Drafting integrates directly with Microsoft Word to assist in creating, reviewing, and editing contracts and legal documents. It reduces time spent on repetitive writing and helps ensure accuracy, compliance, and consistency.
Smarter Document Review
From summarizing lengthy legal documents to comparing versions or spotting inconsistencies, CoCounsel automates high-volume legal tasks so attorneys can focus on nuanced, strategic thinking.
CoCounsel Across Professional Services
AI Support for Tax, Audit & Accounting
CoCounsel enhances platforms like Checkpoint Edge by simplifying research and improving accuracy. It reduces the burden of finding regulatory details and ensures faster answers based on deep tax and financial content libraries.
Unified AI Experience
With seamless integration across Thomson Reuters products, CoCounsel delivers a consistent and intuitive user experience. Whether you're using Practical Law or drafting a tax memo, the AI provides context-aware assistance wherever you work.
Trusted by Leading Firms
Rapid Adoption and Proven Impact
CoCounsel is used by over 12,000 law firms and 4,900 legal departments, with adoption growing more than 45% year-over-year. Legal and tax professionals report significantly faster turnaround times and improved productivity.
Secure, Private, and Compliant
Thomson Reuters never uses client data to train AI models. CoCounsel is built with secure data processing, encryption protocols, and regular security audits, including third-party penetration testing.
Why Choose Casetext CoCounsel?
AI That Works Like You Do
Rather than replacing professionals, CoCounsel augments their abilities. From early-stage research to final review, it adapts to your workflow and provides reliable, high-quality support.
Evidence-Based ROI
Studies show that tools like Westlaw Precision with CoCounsel deliver strong returns on investment, enabling legal professionals to spend less time per task while delivering better client outcomes.