Thomson Reuters Expands DeepJudge Partnership for Legal AI Knowledge Management

2 min readSources: Artificial Lawyer

Thomson Reuters expands DeepJudge partnership, integrating AI search into CoCounsel Legal platform.

Why it matters: This move signals a major step in legal tech innovation, enhancing how firms manage and access internal and external knowledge. It reflects the growing consolidation of AI tools shaping competitive legal services.

  • Thomson Reuters and DeepJudge announced partnership in October 2025 to integrate AI search into CoCounsel Legal.
  • The integration became generally available in June 2026, enabling access to firm knowledge alongside Thomson Reuters content.
  • DeepJudge was founded by former Google AI researchers and is the top recommended legal AI tool of 2025.
  • Thomson Reuters invested over $200 million in AI transformation as of October 2025.

On October 22, 2025, Thomson Reuters and DeepJudge announced a strategic partnership to integrate DeepJudge's AI-powered enterprise search into Thomson Reuters' CoCounsel Legal platform.

DeepJudge, founded by former Google AI researchers, specializes in advanced AI search capabilities designed specifically for legal professionals. This integration aims to unify internal firm knowledge with Thomson Reuters’ authoritative external content in a single, AI-driven experience.

By June 16, 2026, the combined solution was made generally available, empowering legal teams to seamlessly access their firm’s own intelligence alongside trusted Thomson Reuters materials, enhancing research precision and operational efficiency. According to Raghu Ramanathan, President of Legal Professionals at Thomson Reuters, “Legal professionals need AI that delivers depth, not just speed. DeepJudge brings breakthrough contextual enterprise search that unleashes the full power of a firm’s internal intelligence.”

The partnership underscores Thomson Reuters' significant AI investment—over $200 million by October 2025—reflecting its commitment to transform legal technology. Meanwhile, Paulina Grnarova, CEO and Co-Founder of DeepJudge, emphasized their role in this industry shift: “We’re proud to support their broader transformation into the technology backbone of the legal industry.”

As legal technology consolidates around AI-powered knowledge management, this collaboration marks a critical evolution, enhancing how legal professionals access, integrate, and act on comprehensive legal intelligence within their workflows.

By the numbers:

  • $200M — Thomson Reuters' AI investment as of October 2025
  • #1 — DeepJudge ranked most recommended legal AI tool by SKILLS.law in 2025