Lexis+ AI
Conversational legal research and drafting grounded in LexisNexis content
About
Lexis+ AI is LexisNexis's generative AI assistant for legal work, built on retrieval-augmented generation over one of the largest legal content libraries. It handles conversational legal research, drafts contract clauses and client communications from prompts, summarizes cases, and analyzes uploaded documents. A later Protégé layer added agentic workflows that draft full documents, summarize long files, and build timelines. Answers link back to cited sources, and the system runs in an encrypted environment. Pricing is enterprise and quote-based, and it sits on top of a LexisNexis subscription, so it is not a standalone purchase for most firms.
What it can do
- Conversational legal research with citations; contract clause and client communication drafting; case summarization; document upload and analysis; Shepard's citation integration; Protégé agentic workflows for memos, timelines, and deposition questions.
Setup
Enterprise deployment through LexisNexis; admin-provisioned access for firm users.
Prerequisites
Active LexisNexis subscription; firm admin approval for AI features.
Use cases
Works with
Trust score — 9/10
Scored 9/10 (verified tier, metrics-v1). Evidence: LexisNexis is the established legal research incumbent; Lexis+ AI features verified across multiple press sources (conversational search, drafting, summarization, document upload, Shepard's integration).; Protégé agentic layer and multi-model approach (Claude, GPT-4, Bedrock on Azure) reported by LawNext and GenAI Gazette.; Pricing not public and requires LexisNexis subscription — noted as limitation..
Sources
Every fact above was checked against these sources. Where a claim comes from the provider and couldn't be independently verified, the text says so.