ProductivityPaid Released March 2023

CoCounsel

Thomson Reuters' legal AI assistant, grounded in Westlaw and Practical Law.

Visit CoCounsel Custom pricing; typically bundled with Westlaw subscriptions

Quick verdict

Best for
Law firms already on Westlaw
Pricing
Custom pricing; typically bundled with Westlaw subscriptions
Not ideal if
Expensive and tied to Thomson Reuters contracts

What is CoCounsel?

CoCounsel is Thomson Reuters' professional-grade AI for lawyers: research with Westlaw citations, document review and summarisation, deposition preparation, and drafting, built on frontier models but grounded in the company's authoritative legal content.

Key features

  • Legal research with verified Westlaw citations
  • Document review across large sets
  • Deposition and contract analysis skills
  • Drafting with firm templates
  • Practical Law know-how integration

Pros

  • Grounded in the most authoritative US legal content
  • Citations are real and checkable
  • Trusted vendor with professional liability posture

Cons

  • Expensive and tied to Thomson Reuters contracts
  • Less flexible than startups on custom workflows
  • US-centric content depth

Best for

Law firms already on WestlawLitigation teams doing research and reviewIn-house counsel needing defensible sources

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