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 AI Research and strategise 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.

Validate citations with
CaseBase Hong Kong

Every legal citation in your response is verified and flagged with CaseBase Hong Kong 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 work in your organisation’s documents

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

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.

Content GroundingGround your work in exclusive legal sources

LexisNexis hosts one of the world’s largest legal content collections.

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 procedures that are continuously updated.

Practical Guidance

Exclusive lawyer-authored guidance, forms, and practice notes across 11 practice areas.

Treatises & guides

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

Legal summaries & digests

Trusted legal content, carefully curated by Hong Kong legal experts.

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 organisation’s documents

Reference prior work, templates, and precedents from your own files.

Web sources

Add timely context from reputable web sources and trusted legal insights.

General AI ModelsExtend Lexis+ AI beyond legal work

Need to complete more AI-driven work with the security and reliability of Lexis+ with Protégé? With Protégé General AI, it’s just a toggle away.

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Work smarter across every legal AI task

Craft communications for both legal and non-legal stakeholders

Create a wide variety of communications and documents to support stakeholders and clients using Protégé General AI.

Example of how a user would upload a document and prompt Protege to summarize the document or multiple documents

Use the AI that fits your work

Quickly choose between trusted Legal AI or General AI to get the best support for whatever you are working on without compromising security or losing context.

Explore new ideas with web sources

Search the web to help contextualise legal findings within timely business, social, or regulatory trends.

Examples of discovery requests a user might input into Lexis+ AI. First example is draft requests for production of documents. Second example is draft requests for admission. Third example is draft interrogatories.

Strategise and break down complex legal problems

Clarify problem components before strategising, drafting, or pursuing related legal inquiries using Protégé General AI advanced reasoning and deep research capabilities.

Real Results from LexisNexis Customers

[Lexis+ with Protege's] an excellent tool to support the senior legal team in completing tasks in a fraction of the time that would be originally required.

Federico FabianoHead of Legal and Compliance, Hex Trust
Frequently asked questions

Legal AI for research uses artificial intelligence to analyse legal questions, retrieve relevant sources, and generate structured, citable answers. It helps legal professionals synthesise case law, statutes, treatises, and other sources faster—and turn that research into work product such as legal memos, briefs, and client updates.

AI improves legal research by helping legal professionals find, analyse, and apply relevant information faster. It can surface key cases, summarise complex materials, identify patterns across sources, and guide users through structured research workflows. Legal AI can also help turn research into practical work product, including legal memos, briefs, summaries, and client-ready explanations.

Yes, but not all legal AI is built the same. Lexis+ with Protégé grounds legal research in authoritative LexisNexis sources, provides linked citations so legal professionals can review the source directly, and uses CaseBase Hong Kong to help verify cited authority. That means users can perform their verification and cite results with greater confidence.

Legal AI validates citations by connecting cited authorities to trusted legal databases and citation tools. In Lexis+ with Protégé, linked citations take users directly to the source, while CaseBase Hong Kong helps verify cited authority and identify treatment, citation risk, and negative history. This supports—not replaces—the legal professional’s duty to review and validate authority before relying on it.

Yes, with the right integration. Lexis+ with Protégé can connect to your organisation’s document management system, allowing users to research across internal documents, prior work, templates, and precedents alongside LexisNexis legal sources. Availability may depend on your subscription and enabled integrations.

Lexis+ with Protégé offers both Legal AI and General AI, allowing legal professionals to choose the right tool for each task.

Legal AI
  • Optimised specifically for legal work
  • Grounded in authoritative LexisNexis sources
  • Designed for drafting, research, and analysis that require strict legal reliability

General AI
  • Designed for broader reasoning, drafting, strategising, and exploration
  • Supports legal-adjacent tasks such as client communications or business analysis
  • Operates within the secure LexisNexis environment
  • Allows users to select from multiple model configurations for flexibility
  • Allows users to incorporate real-time web sources as well as LexisNexis sources

This approach gives legal professionals the ability to use AI confidently for both precision-driven legal work and broader analytical tasks — all within a secure platform built for legal work.

Yes. Lexis+ with Protégé will soon support complex legal research with Guided Research and Deep Research capabilities that help break down multi-step questions, explore issues more thoroughly, and synthesise information across multiple sources. Human expertise remains essential, but legal AI can help accelerate analysis, surface supporting authority, and turn complex research into clearer, citable outputs.
Sign up for your Lexis+ with Protégé free trial
Try Lexis+ with Protégé’s powerful legal research, drafting, and insights capabilities—now enhanced with Protégé, the personalised AI assistant.

You will also become a Lexis+ AI Insider to keep you up to date with how AI can transform your legal work