Harvey
by Harvey AI
Generative AI platform for law firms and in-house teams covering legal research, drafting, and large-scale document analysis.
Legal Research & Discovery
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CoCounsel
AI legal assistant from Thomson Reuters that researches questions, reviews documents, and drafts memos with verifiable citations.
What it does
CoCounsel is an AI legal assistant originally launched by Casetext in 2023 and acquired by Thomson Reuters later that year. It performs discrete legal tasks on request: researching a question and producing a memo with citations, reviewing sets of documents for relevant facts, summarizing depositions, and analyzing contracts against specified criteria.
Because it grew out of Casetext’s legal research database, CoCounsel grounds research answers in actual case law and statutes and links to the underlying sources, which reduces the citation risk that comes with general-purpose chatbots. Under Thomson Reuters ownership it is increasingly connected to Westlaw content and the broader Thomson Reuters product line.
It is one of the most widely covered products in this category and is a particularly natural fit for litigation-heavy practices.
Key features
- Legal research with memos grounded in real case law and statutes
- Citations that link back to checkable primary sources
- Document review across large sets for relevant facts
- Deposition preparation and summarization
- Contract analysis against user-specified criteria
- Connection to Westlaw content under Thomson Reuters
- Task-based design where lawyers assign discrete jobs
What teams use it for
The concrete work teams hand to CoCounsel.
- Researching a legal issue and producing a cited memo
- Reviewing discovery documents for key facts
- Summarizing depositions and preparing outlines
- Checking a brief's arguments and authorities
- Analyzing contracts for specific terms or risks
Where it fits
Good fit if
Litigators and firms that want research memos and document review grounded in a real legal database with verifiable citations.
Limitations
Teams that want a full contract lifecycle platform; CoCounsel assists with discrete tasks rather than managing contract workflows.
Pricing
Pricing: Not publicly listed
Visit the vendor website for current plans and quotes.
Common integrations
Westlaw
Microsoft 365
iManage
NetDocuments
Categories and tags
Categories
AI for Legal, Contracts & ComplianceContract Analysis & RevieweDiscovery & LitigationLegal Assistants & ChatbotsLegal Research & Discovery
Industries
Cross-industry
Use cases
Contract review
Deposition summarization
Document review
Legal research
Capabilities
Document intelligence
Generative AI & LLMs
Retrieval & enterprise search
Buyer roles
Legal
Company size
Enterprise
Mid-market
Small business
Alternatives to CoCounsel
Other products in Legal Research & Discovery, ordered by how well they fit the category.
This profile was compiled from public sources with AI assistance and reviewed by a BetterBuys editor. Last verified on June 10, 2026. How we research profiles.
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