Lexis+ AI

Accelerate legal research and drafting with trusted, grounded generative AI.

by LexisNexis · Legal Research & Analytics

Executive Summary

Lexis+ AI is a generative AI platform designed for attorneys, legal researchers, and law firm/in-house legal teams to significantly accelerate legal research and writing tasks. It allows users to ask natural-language questions or upload documents, generating structured answers, summaries, and draft language with links and citations to supporting authority. The platform emphasizes grounded outputs in LexisNexis' vast and trusted legal content, including primary law and secondary sources, to ensure accuracy and reduce validation time. This leads to faster turnaround, improved consistency, and quicker identification of relevant precedent and analysis.

Use Cases

  • Answering complex legal questions with grounded, citable authority.
  • Drafting legal arguments, client communications, and contract clauses efficiently.
  • Summarizing lengthy cases, briefs, and other legal documents for quick understanding.
  • Analyzing internal firm documents and work product for insights and contextual recommendations.
  • Identifying litigation tactics and preparing informed defenses by reviewing similar prior cases.
  • Verifying the status and treatment of legal citations using integrated Shepard's Citations.

Features

Visibility

  • Usage Analytics: Provides insights into platform usage, research trends, and efficiency gains within the firm.
  • Alerts on New Content: Users can set up alerts to stay updated on new cases, legislation, and secondary materials relevant to their practice areas.
  • Conversation History: Retains previous AI conversations for easy access and continuity of research and drafting tasks.
  • Timeline Generation: Ability to generate graphical timelines from documents to visualize key events and facts.

Intelligence

  • Conversational Search: Enables users to interact with the AI assistant using natural language to ask complex legal questions and refine queries conversationally.
  • Intelligent Legal Drafting: Generates draft legal arguments, contract clauses, client communications, and other legal documents from user prompts, with options to adapt tone and content.
  • Insightful Summarization: Provides quick and comprehensive summaries of cases, briefs, and other legal documents, highlighting key legal holdings, facts, issues, and rationale.
  • Document Upload & Analysis: Allows users to upload their own documents for rapid analysis, summarization, and extraction of key insights, including comparing arguments across multiple documents.
  • Shepard's Citations Integration: Integrates the renowned Shepard's citation service to verify the status and treatment of legal references, identify weaknesses in arguments, and ensure legal accuracy.

Support

  • Guided User Experience: Provides a guided experience with prompt assistance and examples to help users quickly get up to speed and effectively utilize AI capabilities.
  • Training Resources & Documentation: Offers comprehensive training videos, documentation, and resources to help users maximize their use of the platform.
  • Dedicated Customer Success Managers: Provides dedicated support and guidance through customer success managers to ensure optimal adoption and value realization.

Technical Specifications

Architecture
Cloud-native SaaS
Deployment
Cloud/SaaS
Authentication
SSO, MFA
API Available
No
MCP Server
No

Infrastructure

  • AWS
  • Azure
  • GCP

AI/ML Stack

  • NLP
  • Machine Learning
  • LLM
  • Generative AI

Integrations

  • Lexis+ (native)

Security & Compliance

Certifications: SOC 2 Type II, ISO 27001, GDPR

Encryption: AES-256 at rest, TLS 1.2/1.3 in transit

Pricing

Model
Custom enterprise
Starting Price
Contact sales
Target Customer
Mid-market to Enterprise
Contract Type
Annual, Multi-year discounts
Free Trial
Yes, Custom demo (credit card required)

About LexisNexis

LexisNexis is an American data analytics company and a global provider of legal, regulatory, and business information. It offers research platforms, content, and data-driven tools that help legal professionals and organizations manage risk, improve decision-making, and support compliance and investigations.

Founded: 1970 · Headquarters: New York, United States · Employees: 10000+ · Public