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Tool Review: Lexis+ AI
Lexis+ AI
Conversational AI grounded in the world's largest legal database.
Lexis+ AI is a conversational search platform grounded in the comprehensive LexisNexis legal database. It helps attorneys write briefs, research legal issues, and summarize authorities without hallucination risks.
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RATING
4.6/5.0
Pricing
Paid
EnterpriseCustom
Fully integrated with Lexis+ subscriptions • Shepard's Citations integration • Brief and argument drafting • No-hallucination case synthesis
Best For
- ✦ Firms with existing Lexis+ research infrastructure
- ✦ Appellate and research-focused attorneys
- ✦ Government and corporate compliance departments
// In-depth Review
What is Lexis+ AI?
Lexis+ AI is built directly on LexisNexis's trusted database of case law, statutes, and Shepard's Citations. This RAG-grounded system allows attorneys to query the database, generate legal briefs, draft client letters, and analyze documents, all backed by verified source citations.
// Capabilities
Key Features
Conversational natural language interface
Fully integrated Shepard's Citations legal validation
Automated brief and argument draft generation
Secure document summary uploads
Inter-document correlation and analysis
Export capabilities to standard legal formats
Enterprise access management control structures
// Real World
Use Cases
Brief Writing Assistance
Have Lexis+ AI draft a section of an appellate brief detailing state standards of review, with proper formatting and verified Shepard's citations.
FOR: Appellate litigators and judicial law clerks
Legal Authority Shepardizing
Verify the status of a specific precedent. Lexis+ AI quickly summarizes whether subsequent cases have treated that authority favorably, neutrally, or negatively.
FOR: Research attorneys and litigation paralegals
Pros
- ✅ Directly grounded in the LexisNexis litigation and case law database
- ✅ Leverages Shepard's Citations to prevent referencing overturned law
- ✅ Familiar workspace for legal professionals who already use Lexis+
- ✅ High level of compliance and strict data privacy regulations
Cons
- ❌ Requires a broad, paid LexisNexis platform subscription
- ❌ Custom pricing can be expensive for solo practitioners or small firms
- ❌ Requires legal training to construct precise research queries
// Help Center
Lexis+ AI FAQ
Does Lexis+ AI train its models on uploaded documents?
No. LexisNexis guarantees that uploaded user documents are processed in isolated, secure sessions and are never used to train base AI models.
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