CoCounsel Legal makes grounding and verification product infrastructure
Thomson Reuters describes the next CoCounsel Legal as a beta agentic platform grounded in Westlaw and Practical Law, guided by 35 million West Key Number classifications and 3.
BY KM DESK · MAY 11, 2026 · 1 MIN READ
Thomson Reuters describes the next CoCounsel Legal as a beta agentic platform grounded in Westlaw and Practical Law, guided by 35 million West Key Number classifications and 3.9 million Precision Research attributes. Named beta firms include Troutman Pepper Locke, Morgan Lewis, Carlton Fields and Caplin & Drysdale. KM teams should read this as a platform-level claim: authoritative retrieval, source handling and citation flows are becoming core system architecture.