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CoCounsel (Thomson Reuters)
Overview
CoCounsel is Thomson Reuters' AI legal workflow platform (acquired from Casetext in 2023). Combines AI with Westlaw and Practical Law — powerful legal research databases — to support drafting, redlining, and analysis. Available as both a Microsoft Word add-in and a web portal.
Key Features
Westlaw Integration (CoCounsel's Key Strength)
Integration with Thomson Reuters' Westlaw — one of the world's largest legal research databases. Reliable research and latest case law.
Practical Law Integration
Integration with Practical Law (practical guides) for practice-oriented legal information.
Microsoft Word Add-In
AI features directly in Word:
- Contract review
- Drafting assistance
- Redlining
- Document analysis
Integrates AI without disrupting existing lawyer workflows.
CoCounsel Core Skills
- Summarize — long document summaries
- Search a database — internal database search
- Extract contract data — extract data from contracts
- Review documents
- Prepare for deposition
Tasks and Pricing Model
Since 2025, task-based pricing adds flexibility.
Pricing
| Plan | Monthly | Highlights |
|---|---|---|
| Basic Research | $220/user | Basic research |
| CoCounsel Core | $225/user | Core AI features |
| All Access | $500/user | All features |
| Westlaw Precision with CoCounsel | $428/user | Westlaw + CoCounsel integration |
Cheaper than Harvey but still thousands of dollars annually.
Strengths
- ✅ Westlaw + Practical Law integration
- ✅ Microsoft Word add-in for existing workflows
- ✅ Thomson Reuters reliability
- ✅ Cheaper than Harvey
- ✅ Task-based pricing option
- ✅ Accessible to mid-size law firms
Weaknesses
- ❌ $220+/user is still significant
- ❌ Less powerful than Harvey Vault (100K document analysis)
- ❌ Depends on Thomson Reuters ecosystem
- ❌ Limited Japanese law support
Official Resources
- Website: https://casetext.com/cocounsel
- Thomson Reuters: https://legal.thomsonreuters.com/en/products/cocounsel