What can CoCounsel do?

contract-clause-analysis, batch-document-review, litigation-risk-assessment, contract-generation-assistance, legal-research-synthesis, deposition-preparation-assistant, case-timeline-generation, privilege-and-confidentiality-detection, regulatory-compliance-analysis, due-diligence-document-analysis, legal-document-summarization, legal-question-answering

CoCounsel

ModelPaid

Thomson Reuters AI for legal research and review

Best for:Mid-to-large law firms and corporate legal departments seeking to reduce the cost and timeline of document review, due diligence, and legal research workflows.

/ 100

12 capabilities

Capabilities12 decomposed

contract-clause-analysis

Medium confidence

Analyzes contract documents to identify, extract, and interpret specific clauses, obligations, and risk factors. Provides structured summaries of key terms, conditions, and potential legal implications within contracts.

Solves for

I need to quickly understand what obligations my company is taking on in this vendor agreementFind all liability limitation clauses across these 50 contracts and flag unusual termsWhat are the renewal and termination conditions in this lease?

Best for

Corporate legal departments

In-house counsel reviewing vendor/supplier agreements

M&A teams conducting due diligence

Requires

Contract document in text or PDF format

CoCounsel platform access

Legal domain knowledge to validate outputs

Limitations

May misinterpret ambiguous or non-standard clause language

Cannot reliably identify implications of multi-jurisdictional contract interactions

Requires human review for high-stakes or novel contract structures

batch-document-review

Medium confidence

Processes large volumes of documents (discovery sets, regulatory filings, internal communications) to identify relevant documents, extract key information, and categorize by legal relevance or privilege status. Enables rapid triage of document collections.

Solves for

We have 100,000 emails to review for litigation discovery—help us identify the 5% that are actually relevantFlag all documents that might contain attorney-client privilege before we produce themCategorize these regulatory filings by compliance risk level

Best for

Large law firms handling complex litigation

Corporate legal teams managing regulatory investigations

In-house counsel conducting internal investigations

Requires

Document collection in digital format (PDF, email, text)

Clear search parameters or relevance criteria

CoCounsel platform with sufficient processing capacity

Limitations

May miss nuanced relevance judgments that require deep case context

Privilege determination requires human verification to avoid waiver

Performance degrades on highly technical or domain-specific documents

litigation-risk-assessment

Medium confidence

Analyzes case facts, documents, and legal precedent to assess litigation risk, predict likely outcomes, and identify key vulnerabilities or strengths in a legal position. Helps attorneys evaluate settlement value and litigation strategy.

Solves for

What's our realistic chance of winning this case based on the facts and law?What are the biggest risks in our legal position?How do similar cases typically resolve?

Best for

Litigation attorneys evaluating case strategy

In-house counsel assessing litigation costs vs. settlement

Trial teams preparing for trial

Requires

Complete case facts and documents

Applicable legal precedent

CoCounsel platform access

Limitations

Cannot predict actual judge or jury behavior

Risk assessments are probabilistic and require attorney judgment

Effectiveness depends on completeness of case information

contract-generation-assistance

Medium confidence

Assists in drafting new contracts by suggesting language, identifying missing clauses, and ensuring consistency with company templates and legal requirements. Provides clause libraries and precedent language for common contract types.

Solves for

Draft a vendor agreement using our standard template and this scope of workWhat clauses are missing from this employment agreement?Suggest indemnification language for this service agreement

Best for

In-house counsel drafting routine contracts

Legal teams seeking to standardize contract language

Business teams creating contract first drafts

Requires

Contract template or precedent

Deal terms and parameters

CoCounsel platform access

Limitations

Generated language requires attorney review and customization

May not account for industry-specific or jurisdiction-specific requirements

Cannot replace experienced contract counsel for complex deals

legal-research-synthesis

Medium confidence

Searches Thomson Reuters' legal database and case law to answer legal research questions, synthesizing relevant cases, statutes, and regulations into coherent research summaries. Integrates with Casetext's platform for seamless citation and source verification.

Solves for

What's the current state of law on non-compete enforceability in California?Find cases where courts have interpreted this specific statute provisionSummarize the legal precedent on damages calculations for breach of contract claims

Best for

Associates conducting legal research

Solo practitioners and small firms seeking research efficiency

In-house counsel researching novel legal questions

Requires

CoCounsel platform access

Access to Thomson Reuters legal database

Clear research question or legal topic

Limitations

Tendency to hallucinate or misattribute case citations

May miss recent case law or jurisdiction-specific nuances

Cannot reliably handle multi-jurisdictional comparative analysis

deposition-preparation-assistant

Medium confidence

Analyzes case documents, prior testimony, and discovery materials to prepare deposition outlines, identify key topics, and suggest questioning strategies. Helps attorneys anticipate witness responses and develop line-of-questioning frameworks.

Solves for

Create a deposition outline for this witness based on their emails and prior statementsWhat are the key inconsistencies in the defendant's testimony across these three depositions?Suggest follow-up questions to lock down testimony on the timeline of events

Best for

Litigation attorneys preparing for depositions

Trial teams developing witness examination strategies

Corporate counsel preparing for regulatory depositions

Requires

Case documents and discovery materials

Prior testimony or witness statements

CoCounsel platform access

Limitations

Cannot predict actual witness behavior or credibility assessments

May miss subtle inconsistencies requiring deep case knowledge

Suggested questions require attorney judgment and ethical review

case-timeline-generation

Medium confidence

Extracts temporal information from case documents, discovery materials, and witness statements to automatically construct chronological timelines of events. Identifies gaps, inconsistencies, and key dates relevant to legal claims.

Solves for

Build a timeline of all communications between the parties from these 500 emailsWhen did the defendant know about the defect? Show me the evidence in chronological orderIdentify all dates mentioned in the contract and related correspondence

Best for

Litigation teams managing complex multi-party disputes

Trial preparation teams creating visual evidence presentations

Attorneys analyzing causation and knowledge elements

Requires

Case documents with temporal references

Email archives or correspondence

CoCounsel platform access

Limitations

May miss implicit dates or temporal references requiring inference

Cannot resolve conflicting date information without human judgment

Effectiveness depends on document completeness and clarity

privilege-and-confidentiality-detection

Medium confidence

Scans documents to identify attorney-client privileged communications, work product, and confidential information before production or disclosure. Flags documents requiring redaction or withholding.

Solves for

Before we produce these documents in discovery, flag anything that might be privilegedIdentify all attorney-client communications in this email archiveWhich documents contain confidential business information that needs redaction?

Best for

Litigation teams managing discovery obligations

Corporate counsel overseeing document production

Law firms handling regulatory investigations

Requires

Document collection in digital format

Clear privilege and confidentiality policies

Attorney review and final determination authority

Limitations

Privilege determinations are fact-specific and require attorney review

May miss nuanced privilege claims or waiver issues

Cannot reliably identify all confidential information without context

regulatory-compliance-analysis

Medium confidence

Analyzes documents and business practices against applicable regulatory requirements and compliance frameworks. Identifies potential violations, gaps in compliance documentation, and risk areas requiring remediation.

Solves for

Are our data handling practices compliant with GDPR requirements?Review these employment policies against current labor law requirementsIdentify gaps in our anti-corruption compliance program

Best for

In-house counsel managing regulatory compliance

Corporate legal teams conducting compliance audits

Compliance officers seeking legal analysis

Requires

Applicable regulatory framework or statute references

Company policies and practices documentation

CoCounsel platform access

Limitations

Regulatory landscape changes frequently; requires current training data

May miss jurisdiction-specific requirements or recent regulatory updates

Cannot provide definitive compliance opinions without expert review

due-diligence-document-analysis

Medium confidence

Processes acquisition or investment target documents to extract key financial, legal, and operational information. Identifies material contracts, liabilities, regulatory issues, and other factors relevant to deal valuation and risk assessment.

Solves for

We're acquiring this company—summarize all material contracts and their key termsWhat litigation or regulatory issues does this target have?Identify all debt obligations and contingent liabilities from these documents

Best for

M&A teams conducting acquisition due diligence

Investment firms evaluating portfolio companies

Corporate development teams assessing deal risks

Requires

Target company documents (contracts, financials, filings)

Deal parameters and risk criteria

CoCounsel platform access

Limitations

May miss subtle financial or legal risks requiring expert judgment

Effectiveness depends on completeness of due diligence materials

Cannot replace professional valuation or financial analysis

legal-document-summarization

Medium confidence

Generates concise summaries of lengthy legal documents including contracts, court filings, regulations, and case opinions. Extracts key points, obligations, and implications while preserving critical details.

Solves for

Summarize this 50-page contract in plain language for the business teamWhat are the key holdings and reasoning in this court decision?Give me a one-page summary of this regulatory guidance document

Best for

Attorneys communicating with non-legal stakeholders

Business teams needing legal document context

Attorneys managing high-volume document review

Requires

Legal document in text or PDF format

CoCounsel platform access

Limitations

May oversimplify complex legal nuances or edge cases

Summaries require verification against source documents

Cannot capture all context-dependent implications

legal-question-answering

Medium confidence

Answers specific legal questions based on case documents, contracts, and legal research. Provides citations to source materials and explains reasoning, enabling attorneys to quickly find answers without manual document review.

Solves for

What are the payment terms specified in Section 4 of this agreement?Did the defendant admit liability in any of these discovery responses?What damages are recoverable under this statute?

Best for

Attorneys seeking quick answers from case documents

Paralegals supporting legal research

In-house counsel answering business questions

Requires

Relevant source documents uploaded to CoCounsel

Clear, specific legal questions

CoCounsel platform access

Limitations

Answers require verification against source documents

May miss nuanced context or conflicting information

Cannot reliably answer questions requiring legal judgment

Capabilities are decomposed by AI analysis. Each maps to specific user intents and improves with match feedback.

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Best For

✓Corporate legal departments
✓In-house counsel reviewing vendor/supplier agreements
✓M&A teams conducting due diligence
✓Large law firms handling complex litigation
✓Corporate legal teams managing regulatory investigations
✓In-house counsel conducting internal investigations
✓Litigation attorneys evaluating case strategy
✓In-house counsel assessing litigation costs vs. settlement

Known Limitations

⚠May misinterpret ambiguous or non-standard clause language
⚠Cannot reliably identify implications of multi-jurisdictional contract interactions
⚠Requires human review for high-stakes or novel contract structures
⚠May miss nuanced relevance judgments that require deep case context
⚠Privilege determination requires human verification to avoid waiver
⚠Performance degrades on highly technical or domain-specific documents

Requirements

Contract document in text or PDF formatCoCounsel platform accessLegal domain knowledge to validate outputsDocument collection in digital format (PDF, email, text)Clear search parameters or relevance criteriaCoCounsel platform with sufficient processing capacityComplete case facts and documentsApplicable legal precedent

Input / Output

Accepts: PDF documents, Word documents, Plain text contracts, Email archives, PDF document sets, Text files, Case pleadings, Discovery materials, Legal precedent, Factual narratives, Contract templates, Deal terms, Existing contract drafts, Natural language legal questions, Case citations, Statute references, Deposition transcripts, Email and document discovery, Prior witness statements, Email collections, Document discovery sets, Witness statements, Document collections, Internal communications, Company policies, Regulatory requirements, Compliance documentation, Business process descriptions, Contracts and agreements, Financial statements, Regulatory filings, Corporate records, Contracts, Court opinions, Regulatory documents, Legal memoranda, Natural language questions, Case documents

Produces: Structured clause summaries, Risk flagging reports, Obligation matrices, Relevance-scored document lists, Privilege flags, Category assignments, Summary reports, Risk assessments, Outcome predictions, Vulnerability analyses, Strength/weakness summaries, Contract language suggestions, Clause libraries, Missing clause identification, Redline suggestions, Research summaries, Case citations with summaries, Statute interpretations, Precedent analysis, Deposition outlines, Question suggestions, Inconsistency reports, Witness profile summaries, Chronological timelines, Date-indexed document references, Gap analysis reports, Inconsistency flags, Confidentiality markers, Redaction recommendations, Privilege log entries, Compliance gap reports, Remediation recommendations, Regulatory requirement summaries, Material contract summaries, Liability inventories, Risk assessment reports, Deal issue lists, Executive summaries, Plain-language summaries, Key point extractions, Obligation summaries, Direct answers with citations, Source document references, Explanation of reasoning

UnfragileRank

Adoption15%(40% weight)

Quality54%(20% weight)

Ecosystem47%(15% weight)

Match Graph10%(20% weight)

Freshness100%(5% weight)

UnfragileRank is computed from adoption signals, documentation quality, ecosystem connectivity, match graph feedback, and freshness. No artifact can pay for a higher rank.

Type: Model

12 capabilities

Visit CoCounsel→

About

AI legal assistant by Thomson Reuters (acquired Casetext). Performs legal research, document review, contract analysis, deposition preparation, and timeline creation. Powered by GPT-4 with legal fine-tuning.

Unfragile Review

CoCounsel represents a meaningful leap forward in legal AI by combining GPT-4's language capabilities with Thomson Reuters' domain expertise and vast legal database, enabling lawyers to automate document review and research tasks that traditionally consume billable hours. The integration into Casetext's ecosystem gives it access to deep case law, but the tool still struggles with nuanced legal judgment calls and requires careful human oversight on mission-critical analysis.

Pros

+Powered by GPT-4 with legal-specific fine-tuning, delivering notably better accuracy than generic LLMs on contract interpretation and case analysis
+Seamless integration with Casetext's legal research platform and Thomson Reuters' content library eliminates context-switching between tools
+Excels at high-volume document review and deposition preparation—tasks where AI can deliver genuine 10-20x time savings without significant quality loss
+Institutional backing from Thomson Reuters provides credibility and suggests long-term viability compared to venture-backed legal AI startups

Cons

-Pricing remains a barrier for solo practitioners and smaller firms despite being cheaper than traditional legal research tools—still positioned as enterprise software
-Tendency to hallucinate case citations or misinterpret complex multi-jurisdictional issues means it cannot replace substantive legal judgment on novel or high-stakes matters
-Limited transparency on how training data was sourced and potential biases in legal training data—critical issue given disparities in legal representation

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Data Sources

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Capabilities12 decomposed

contract-clause-analysis

Medium confidence

Solves for

Best for

Corporate legal departments

In-house counsel reviewing vendor/supplier agreements

M&A teams conducting due diligence

Requires

Contract document in text or PDF format

CoCounsel platform access

Legal domain knowledge to validate outputs

Limitations

May misinterpret ambiguous or non-standard clause language

Cannot reliably identify implications of multi-jurisdictional contract interactions

Requires human review for high-stakes or novel contract structures

batch-document-review

Medium confidence

Solves for

Best for

Large law firms handling complex litigation

Corporate legal teams managing regulatory investigations

In-house counsel conducting internal investigations

Requires

Document collection in digital format (PDF, email, text)

Clear search parameters or relevance criteria

CoCounsel platform with sufficient processing capacity

Limitations

May miss nuanced relevance judgments that require deep case context

Privilege determination requires human verification to avoid waiver

Performance degrades on highly technical or domain-specific documents

litigation-risk-assessment

Medium confidence

Solves for

What's our realistic chance of winning this case based on the facts and law?What are the biggest risks in our legal position?How do similar cases typically resolve?

Best for

Litigation attorneys evaluating case strategy

In-house counsel assessing litigation costs vs. settlement

Trial teams preparing for trial

Requires

Complete case facts and documents

Applicable legal precedent

CoCounsel platform access

Limitations

Cannot predict actual judge or jury behavior

Risk assessments are probabilistic and require attorney judgment

Effectiveness depends on completeness of case information

contract-generation-assistance

Medium confidence

Solves for

Draft a vendor agreement using our standard template and this scope of workWhat clauses are missing from this employment agreement?Suggest indemnification language for this service agreement

Best for

In-house counsel drafting routine contracts

Legal teams seeking to standardize contract language

Business teams creating contract first drafts

Requires

Contract template or precedent

Deal terms and parameters

CoCounsel platform access

Limitations

Generated language requires attorney review and customization

May not account for industry-specific or jurisdiction-specific requirements

Cannot replace experienced contract counsel for complex deals

legal-research-synthesis

Medium confidence

Solves for

Best for

Associates conducting legal research

Solo practitioners and small firms seeking research efficiency

In-house counsel researching novel legal questions

Requires

CoCounsel platform access

Access to Thomson Reuters legal database

Clear research question or legal topic

Limitations

Tendency to hallucinate or misattribute case citations

May miss recent case law or jurisdiction-specific nuances

Cannot reliably handle multi-jurisdictional comparative analysis

deposition-preparation-assistant

Medium confidence

Solves for

Best for

Litigation attorneys preparing for depositions

Trial teams developing witness examination strategies

Corporate counsel preparing for regulatory depositions

Requires

Case documents and discovery materials

Prior testimony or witness statements

CoCounsel platform access

Limitations

Cannot predict actual witness behavior or credibility assessments

May miss subtle inconsistencies requiring deep case knowledge

Suggested questions require attorney judgment and ethical review

case-timeline-generation

Medium confidence

Solves for

Best for

Litigation teams managing complex multi-party disputes

Trial preparation teams creating visual evidence presentations

Attorneys analyzing causation and knowledge elements

Requires

Case documents with temporal references

Email archives or correspondence

CoCounsel platform access

Limitations

May miss implicit dates or temporal references requiring inference

Cannot resolve conflicting date information without human judgment

Effectiveness depends on document completeness and clarity

privilege-and-confidentiality-detection

Medium confidence

Scans documents to identify attorney-client privileged communications, work product, and confidential information before production or disclosure. Flags documents requiring redaction or withholding.

Solves for

Best for

Litigation teams managing discovery obligations

Corporate counsel overseeing document production

Law firms handling regulatory investigations

Requires

Document collection in digital format

Clear privilege and confidentiality policies

Attorney review and final determination authority

Limitations

Privilege determinations are fact-specific and require attorney review

May miss nuanced privilege claims or waiver issues

Cannot reliably identify all confidential information without context

regulatory-compliance-analysis

Medium confidence

Solves for

Are our data handling practices compliant with GDPR requirements?Review these employment policies against current labor law requirementsIdentify gaps in our anti-corruption compliance program

Best for

In-house counsel managing regulatory compliance

Corporate legal teams conducting compliance audits

Compliance officers seeking legal analysis

Requires

Applicable regulatory framework or statute references

Company policies and practices documentation

CoCounsel platform access

Limitations

Regulatory landscape changes frequently; requires current training data

May miss jurisdiction-specific requirements or recent regulatory updates

Cannot provide definitive compliance opinions without expert review

due-diligence-document-analysis

Medium confidence

Solves for

Best for

M&A teams conducting acquisition due diligence

Investment firms evaluating portfolio companies

Corporate development teams assessing deal risks

Requires

Target company documents (contracts, financials, filings)

Deal parameters and risk criteria

CoCounsel platform access

Limitations

May miss subtle financial or legal risks requiring expert judgment

Effectiveness depends on completeness of due diligence materials

Cannot replace professional valuation or financial analysis

legal-document-summarization

Medium confidence

Solves for

Summarize this 50-page contract in plain language for the business teamWhat are the key holdings and reasoning in this court decision?Give me a one-page summary of this regulatory guidance document

Best for

Attorneys communicating with non-legal stakeholders

Business teams needing legal document context

Attorneys managing high-volume document review

Requires

Legal document in text or PDF format

CoCounsel platform access

Limitations

May oversimplify complex legal nuances or edge cases

Summaries require verification against source documents

Cannot capture all context-dependent implications

legal-question-answering

Medium confidence

Solves for

What are the payment terms specified in Section 4 of this agreement?Did the defendant admit liability in any of these discovery responses?What damages are recoverable under this statute?

Best for

Attorneys seeking quick answers from case documents

Paralegals supporting legal research

In-house counsel answering business questions

Requires

Relevant source documents uploaded to CoCounsel

Clear, specific legal questions

CoCounsel platform access

Limitations

Answers require verification against source documents

May miss nuanced context or conflicting information

Cannot reliably answer questions requiring legal judgment

Capabilities are decomposed by AI analysis. Each maps to specific user intents and improves with match feedback.

Unfragile Review

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CoCounsel

Capabilities12 decomposed

contract-clause-analysis

batch-document-review

litigation-risk-assessment

contract-generation-assistance

legal-research-synthesis

deposition-preparation-assistant

case-timeline-generation

privilege-and-confidentiality-detection

regulatory-compliance-analysis

due-diligence-document-analysis

legal-document-summarization

legal-question-answering

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Best For

Known Limitations

Requirements

Input / Output

UnfragileRank

About

Unfragile Review

Pros

Cons

Categories

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Are you the builder of CoCounsel?

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Data Sources

CoCounsel

Capabilities12 decomposed

contract-clause-analysis

batch-document-review

litigation-risk-assessment

contract-generation-assistance

legal-research-synthesis

deposition-preparation-assistant

case-timeline-generation

privilege-and-confidentiality-detection

regulatory-compliance-analysis

due-diligence-document-analysis

legal-document-summarization

legal-question-answering

Related Artifactssharing capabilities

Layerup

LegalOn

Harvey AI

Amto AI

Wordsmith

AI Lawyer

Best For

Known Limitations

Requirements

Input / Output

UnfragileRank

About

Unfragile Review

Pros

Cons

Categories

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Get the weekly brief

Data Sources