Legal AI for research and legal strategy

Legal AI Research & StrategyFrom legal question to citable result
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Lexis+® with Protégé™ accelerates authoritative legal research and strategic exploration grounded in exclusive LexisNexis® sources using leading AI models.

Conversational Legal AIResearch and strategize with confidence in results

Accelerate legal research, pressure-test ideas, and surface meaningful insights using internal knowledge bases and industry-leading LexisNexis legal sources.

Ask trusted LexisNexis legal sources and real-time web content

Ground legal answers in authoritative primary law, secondary sources, and live web content.

Get to the highest answer quality with advanced, guided research

Step-by-step AI-guided research walks you to a comprehensive, transparent answer, with linked legal citations.

Validate citations with Shepard's®

Every legal citation in your response is verified and flagged with Shepard’s signals to streamline your review.

Move quickly with AI-generated summaries and headnotes

Quickly understand cases, statutes, briefs, and uploaded materials with summaries that surface key facts, issues, and takeaways.

Ground legal answers in your organization’s documents

Strengthen research and strategy by grounding answers in uploaded context documents, organization knowledge, and prior work.

Content GroundingGround your work in exclusive legal sources

LexisNexis hosts one of the world’s largest legal content collections, with more than 200 billion documents and expert analysis from over 5,500 authors.

Work from current, authoritative legal sources—many available only from LexisNexis—with linked citations that take you directly to the source material.

Primary law

Case law, statutes, regulations, and court rules that are continuously updated.

Practical Guidance

Exclusive attorney-authored guidance, forms, and practice notes across 25 practice areas.

Treatises & guides

In-depth legal analysis for complex issues, nuanced interpretation, and advanced research.

Legal summaries & digests

U.S. state, territorial, and foreign law for cross-jurisdictional research.

Legal dictionaries

Definitions and term-of-art explanations that clarify legal meaning.

Law reviews & journals

Academic and practitioner scholarship to support deeper issue exploration.

Restatements of law

Authoritative syntheses of common law principles, widely cited by courts and practitioners.

Your organization’s documents

Reference prior work and templates from your own files and document management system (DMS).

Web sources and legal news

Add timely context from reputable web sources and trusted legal news from Law360®, MLex®, Mealey’s®, and more.

Legal ExpertiseLegal expertise built into every result

Guidance from practicing attorneys

Practical Guidance brings insights and practice notes into research and drafting workflows from 2,000+ attorney authors representing 98 of the Am Law 100.

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Built-in Shepard’s verification and analysis

Shepard’s Verify helps legal professionals validate citations. Shepard’s editorial analysis helps identify negative treatment, questioned authority, and citation risk.

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Legal professionals rely on Lexis+ with Protégé

"[Lexis+ with Protégé] has been accurate, helps in developing responses in legal arguments, and expedites the tedious aspect of legal research, saving time."

AttorneySmall Law Firm

“Super helpful in conducting quick, detailed research. No comparable tool for conducting research on various aspects of a case."

AssociateLarge Law Firm

"LexisNexis delivers exceptional value through its comprehensive legal research platform... The AI-powered features enhance research efficiency by identifying relevant precedents and generating targeted search strategies."

Kenneth EdickLaw Clerk, Rupp Pfalzgraf LLC
Video TutorialsSee trusted legal AI at work
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Work anywhere with the mobile app

Use the mobile app to ask legal questions, review case summaries, and generate draft language.

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Review citations with Shepard’s®

Analyze citations within drafts or uploaded documents using Shepard’s Citation Service.

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Explore and compare AI responses in one place

Compare AI responses side by side in a secure, integrated workspace.

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Frequently asked questions

Legal AI for research uses artificial intelligence to analyze legal questions, retrieve relevant sources, and generate structured, citable answers. Unlike traditional legal research tools, legal AI can synthesize case law, statutes, and secondary sources to provide faster insights while maintaining legal context and accuracy.

AI improves legal research by reducing the time required to find and analyze relevant information. It can surface key cases, summarize complex materials, and identify patterns across sources. Legal AI also helps ensure completeness by guiding users through structured research workflows and highlighting supporting authorities.

Yes—when grounded in authoritative legal content, legal AI can provide reliable, citable sources. Platforms like Lexis+ with Protégé link responses directly to primary law and validated references, allowing legal professionals to verify citations and confidently use them in their work.

Traditional legal research relies on manually searching databases and reviewing sources individually. Legal AI research enhances this process by analyzing queries, surfacing the most relevant authorities, and synthesizing results into structured answers. This allows legal professionals to move from search to insight more efficiently.

Legal AI platforms validate citations by connecting responses to authoritative legal databases and citation tools such as Shepard’s®. This enables users to confirm the status, treatment, and relevance of cited authorities before relying on them in legal work.

Yes. Many legal AI platforms can incorporate internal documents alongside external legal sources. This allows legal professionals to generate insights and answers that reflect both authoritative law and their organization’s prior work, improving relevance and consistency.

Legal AI can support complex legal research by breaking down multi-step questions, guiding users through structured workflows, and integrating multiple sources. While human expertise remains essential, legal AI helps accelerate analysis and improve the quality of research outputs.

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See how Lexis+ with Protégé helps you draft from precedent, validate citations, and accelerate research — grounded in trusted legal sources and your organization’s knowledge.

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