Casetext

Answers grounded in authoritative content

CoCounsel provides answers grounded in Thomson Reuters' authoritative, proprietary content, including Westlaw, Practical Law, and Checkpoint, ensuring responses are based on expert-validated sources.

Confidently verify and defend work with sources and reasoning surfaced for scrutiny.

Rigorous privacy and security safeguards

CoCounsel is designed to protect customer data with enterprise-grade privacy and security controls, including TLS 1.2 for data in transit and AES-256 encryption for data at rest. User content and prompts are not used to train models.

Sensitive work stays protected with zero-retention API calls and no human access to customer data.

Designed and tested with subject-matter experts

CoCounsel is designed, tested, and refined with subject-matter experts validating AI in real time, ensuring accuracy, nuance, and judgment for professional workflows.

Deliver work that meets the demands of high-stakes legal, tax, audit, and compliance tasks.

Every output holds up to scrutiny

CoCounsel surfaces sources and reasoning so you can confidently verify and defend your work, ensuring that when almost right isn't good enough, you have the evidence to back it up.

Produce work that can be examined, explained, and defended with confidence.

Connects to the tools you already use

CoCounsel integrates with Westlaw, Practical Law, Checkpoint, Microsoft 365, and document management system partners, fitting into your existing workflow without friction.

Work smarter with AI that fits into your current tools and processes.

Already trusted by industry leaders

CoCounsel is trusted by 1 million users, with case studies showing significant time savings—like reducing tasks from 8-9 hours to 1.5-2 hours—while maintaining top-quality work.

Achieve efficiency gains while maintaining high standards in professional work.

• Industry-leading AI for legal professionalsCoCounsel is described as the industry-leading AI for professionals, built on Thomson Reuters' 175 years of knowledge. It integrates research, analysis, and drafting with professional-grade AI grounded in trusted Westlaw and Practical Law content.
• Proven ROI and efficiency gainsCustomer stories highlight significant benefits: Justly Prudent achieved 5 times ROI with CoCounsel, increasing litigation capacity by 100%. Harris, Hardy & Johnstone reduced hour-long reviews into minutes. Brinks streamlined legal work and cut outside counsel spend.
• Comprehensive AI-powered legal research and draftingCoCounsel Legal unites research, analysis, and drafting in one seamless experience. It leverages Westlaw's 150 years of expertise and Practical Law's 650+ attorney-editors' guides, templates, and checklists, providing verified answers and strategic insights.
• Trusted by diverse organizationsCoCounsel is used by law firms, businesses, tax and audit firms, government agencies, and courts. The Pascua Yaqui Tribe used HighQ (part of the Thomson Reuters suite) to transform legal matter management, and Oracle users consolidate compliance with Thomson Reuters solutions.

• Specific certifications or integrations not listedThe scraped content does not mention any specific certifications (e.g., SOC 2, ISO) or integrations with third-party tools beyond the Thomson Reuters ecosystem (Westlaw, Practical Law, HighQ, Legal Tracker, ONESOURCE). No external integrations are evidenced.
• Pricing details not providedNo pricing information is shown on the page. The content only references ROI and efficiency gains from customer stories, but does not disclose any costs or subscription plans.
• Competitor comparisons absentThe page does not mention any competitors or make direct comparisons to other AI legal tools. It only positions CoCounsel as 'industry-leading' without naming alternatives.
• Feature scope limited to what is shownThe content highlights capabilities like legal research, drafting, audit workflows, tax research, and matter management, but does not detail every feature. For example, 'CoCounsel Audit & Accounting' and 'CoCounsel Tax' are mentioned, but their full functionality is not described.

Legal Research

CoCounsel is grounded in authoritative content and expert-validated sources, including Westlaw, to help legal professionals accelerate research while ensuring answers are transparent and verifiable. It surfaces sources and reasoning so you can confidently defend your work.

Tax Workflows

For tax professionals, CoCounsel is designed to handle high-stakes work with fiduciary-grade AI. It draws on domain-specific content like Checkpoint and includes enterprise-grade privacy safeguards, ensuring sensitive tax data stays protected while you draft and analyze.

Audit & Compliance

Audit and compliance professionals can use CoCounsel to accelerate review processes with AI that is tested and refined by subject-matter experts. Every output is grounded in verified sources, helping you produce work that stands up to scrutiny and regulatory oversight.

Document Drafting & Review

CoCounsel integrates with tools like Microsoft 365 and document management system partners, allowing you to draft and review documents more efficiently. It is designed to support human judgment, not replace it, so you remain responsible for the final work while saving hours on routine tasks.

Define the exact aI Legal tools workflow Casetext should support.

Compare it with closely related AI tools in the same category before committing.

Set review rules for accuracy, privacy, brand voice, compliance, and final approval.

Connect useful outputs to the wider stack instead of leaving them inside the AI tool.