Overview
What is vLex?
vLex (part of Clio) is an AI-powered legal research and intelligence platform used by 2.8M+ lawyers worldwide. Its flagship AI, Vincent, answers legal questions in natural language with full citations, generates 50-state surveys, analyses contracts and redlines, and profiles judges, opposing counsel, and parties using 850+ million court records. Everything is backed by the world's largest legal database – over one billion documents from 100+ countries and thousands of publishers, including Fastcase for US primary law and Docket Alarm for litigation records. vLex integrates with Microsoft Word, Outlook, and iManage, and is SOC 2 and ISO 27001 certified. Clio acquired vLex in 2025 for $1 billion, the largest deal in legal tech history. It serves firms of all sizes, from AmLaw 100 to boutique practices, plus corporate legal teams and universities.
Capabilities
vLex features
Access to over one billion legal documents from 100+ countries in a single platform, including case law, legislation, and other primary and secondary materials.
International and comparative research tools, including cross-jurisdictional search to discover and compare legal materials from different countries and courts.
Vincent, an award-winning legal research assistant that helps navigate global legal information and supports AI-powered research workflows.
Citation links, Precedent Map, and enriched legal documents to understand relationships between judgments and follow how cases have been cited or applied.
vLex Cloud and digital document management tools that integrate user documents with vLex legal content, enabling AI analysis, automatic linking, document enrichment, and unified search.
Deep dive
More about vLex
vLex Features
- Vincent AI (Legal Research Assistant with Citations)
- 50-State Surveys & Jurisdiction Comparison
- Contract Analysis & Risk Identification
- Redline & Document Version Comparison
- Complaint & Deposition Analysis
- Litigation Intelligence (Judge, Counsel & Party Profiling)
- Docket Alarm (850M+ Court Records, Real-Time Alerts, Analytics)
- vLex Library (1B+ Documents, 100+ Countries)
- Fastcase Library (US Cases, Statutes, Regulations, Court Rules)
- Vincent Studio (No-Code Custom AI Workflows for Enterprise)
- vLex Labs (Custom AI Development)
- Court Recording Analysis
- Microsoft Word, Outlook & iManage Integrations
- Multi-Language Support (English, Spanish, Portuguese)
- APIs for Custom Integrations
Do and Don't:
Do:
- Start with the free trial to test Vincent on your own research questions.
- Check if your state bar offers free Fastcase access as a member benefit.
- Always click through to the cited authorities to verify AI answers.
- Use 50-state surveys for fast multi-jurisdiction research.
- Set Docket Alarm alerts to track cases and opposing parties.
- Use Vincent Studio to build firm-specific workflows if you're an enterprise.
Don't:
- Don't expect public pricing – subscriptions are quoted based on content and users.
- Don't rely on AI output alone for high-stakes filings – verify every citation.
- Don't assume all international content is in every plan – coverage depends on subscription.
- Don't skip training – the platform is deep and the knowledge base helps.
- Don't confuse it with practice management – Clio handles that separately.
Key Use Cases
- Legal research: get cited answers in minutes instead of hours.
- Multi-jurisdiction work: compare how 50 states or multiple countries treat an issue.
- Litigation: profile judges and opposing counsel, find winning templates from similar cases.
- Transactions: review contracts, flag risks, and understand redline changes.
- Cross-border and international law: research across 100+ countries in one platform.
- Enterprise teams: codify playbooks and due diligence frameworks in Vincent Studio.
The verdict
Pros & cons
Pros
Largest legal database – 1B+ documents across 100+ countries.
Every AI answer comes with verifiable citations.
50-state surveys and jurisdiction comparisons in one prompt.
Strong litigation analytics through Docket Alarm.
Typically far cheaper than Westlaw or Lexis for comparable coverage.
Free access for many US bar members.
Backed by Clio with enterprise-grade security.
Cons
No transparent public pricing.
US editorial depth is lighter than Westlaw or Lexis for some high-stakes work.
International content availability varies by plan.
Advanced features like Vincent Studio are enterprise-only.
Learning curve for teams new to AI research tools.
