Product Category · 6 of 8
Legal Research
Research and library services in law firms and legal departments include technical support of research workflows, such as catalogues, news aggregators, and ticketing systems, as well as legal and market research platforms. Online legal research solutions have evolved in sophistication, with many now including advanced analytics capabilities and utilizing generative AI to improve results and relevancy. In addition to the longstanding major players such as LexisNexis, Thomson Reuters and Bloomberg, the market for online research tools is now crowded with additional practice area- and market-specific solutions that provide more targeted intelligence.
Comparison matrix
A blank template to fill in as you evaluate. Use the toggles to narrow the matrix to the vendors and comparison points that matter to you.
Vendors
Comparison points
Showing 2 of 2 vendors · 9 of 9 comparison points
| Vendor | Underlying database and criminal-law content depth | General vs. practice-area-specific focus | Citation verification/hallucination safeguards | Drafting and analysis capability | Litigation/legal analytics capabilities | Cost structure | Case management integration | Staff training burden | CJIS Compliance |
|---|---|---|---|---|---|---|---|---|---|
| CoCounsel (Thomson Reuters, formerly Casetext) | — | — | — | — | — | — | — | — | — |
| Lexis+ with Protégé (LexisNexis, formerly Lexis+ AI) | — | — | — | — | — | — | — | — | — |
Vendor profiles
CoCounsel (Thomson Reuters, formerly Casetext)
Thomson Reuters' agentic AI legal assistant for research, drafting, and document analysis, grounded in Westlaw and Practical Law content; Thomson Reuters acquired Casetext for US$650 million (closed August 17, 2023) and reported CoCounsel reached 1 million active professional users across 107 countries as of February 24, 2026.
Lexis+ with Protégé (LexisNexis, formerly Lexis+ AI)
LexisNexis's flagship AI-powered legal research and workflow platform, combining natural-language conversational research grounded in LexisNexis primary law, Shepard's Citations validation, and Practical Guidance with agentic drafting and analysis tools, most recently expanded in May 2026 with orchestrated skills, agentic drafting, a larger document Vault, and secure cross-firm collaboration Workrooms.