Lexis+ AI

Overview

Lexis+ AI is LexisNexis's generative AI platform for legal professionals, combining large language models (Claude 2 and GPT-4) with LexisNexis's vast proprietary legal database. It offers conversational search, document drafting, summarization, and analysis, all grounded in authoritative legal content with Shepard's citation validation to minimize hallucinations.

Key Features

Conversational legal research with natural language queries and Shepard's-validated citations

Legal drafting assistant generating motions, contracts, memos, and discovery questions

Document upload and analysis for context-aware review (up to ~150 pages)

Cross-jurisdictional comparisons and multi-document insights extraction

Integration with iManage, NetDocuments, SharePoint, Google Drive, and Microsoft 365

Mobile app for iOS and Android with full AI capabilities on the go

Automatic document purge after sessions for client confidentiality

Pros

One of the most reliable legal AI tools — answers grounded in trusted LexisNexis content

Shepard's citation validation minimizes hallucination risk significantly

Comprehensive access to primary and secondary legal sources (Matthew Bender, Appleman, etc.)

Intuitive interface mimicking natural legal research workflows

Strong data privacy with documents purged after each session

Users report average 2.5 hours saved per week on research tasks

Cons

No publicly published pricing — requires contacting sales for quotes

Can be expensive, especially at higher tiers with potential price increases

Add-on product requiring existing Lexis+ ecosystem integration

Limited follow-up responses in document analysis feature

Identical layout across sections could benefit from UI refinement

Use Cases for Personal Injury Law

PI attorneys can use Lexis+ AI for researching negligence standards, comparative fault laws, and damages caps across jurisdictions, drafting demand letters and motions with cited legal authority, analyzing medical malpractice case law and statute of limitations issues, summarizing lengthy deposition transcripts and expert reports, and comparing negligence standards across multiple states for multi-state PI litigation. The Shepard's validation ensures all citations in legal arguments are current and authoritative.

Pricing

Custom pricing — estimated tiers: Starter/Essential ~$128/user/month | Enhanced ~$314/user/month | Professional ~$494/user/month | Enterprise/Premium up to ~$3,000/seat/year. Two-day free trial available. No permanent free plan. Contact LexisNexis for custom quote.