Legal Research · Review
Lex Machina
Our verdict
Deep litigation analytics with strong federal coverage. Confirm venue coverage and compare it with the Lexis+ analytics option.
Best for: Firms with substantial federal litigation that want judge, counsel, timing and damages analytics.
Watch out for: Pricing isn't published. State coverage is selective, so check your venues. It's a separate product from Lexis+ Litigation Analytics.
LexisNexis litigation analytics on judges, courts, parties, counsel and experts, covering all federal district and appellate courts, PTAB and selected state courts, with Protégé AI queries.
Direct link to the vendor’s website. We don’t earn a commission from this link.
How we research: Researched from vendor documentation, pricing pages and user sentiment. Our methodology
- Best for
- Firms with substantial federal litigation that want judge, counsel, timing and damages analytics.
- Probably not for
- Mostly state-court practices outside covered courts
- Pricing
- Price not published
- Last checked
Pros & cons
Pros
- All federal district and appellate courts plus PTAB
- Judge-specific findings, damages and timing analytics
- State motion metrics for 40+ motion types where covered
- Plain-language queries via Protégé
Cons
- No published pricing or trial
- Selective state coverage
- Easy to confuse with Lexis+ Litigation Analytics
Who it’s for
- Best for
- Firms with substantial federal litigation that want judge, counsel, timing and damages analytics.
- Federal litigators
- Firms using judge and counsel data in pitches
- Teams benchmarking timing and damages
- Probably not for
- Mostly state-court practices outside covered courts
- Transactional practices
- Buyers wanting published prices
Use cases: Legal Research · Practice: — · Software: Research Platforms
Pricing
- Status
- Price not published
- As the vendor publishes it
- Not published; demo and quote only (lexisnexis.com, checked 2026-10-15).
- Checked
- Before you buy
- Ask the vendor for a written quote, the minimum number of users, the contract term, and whether AI features cost extra.
Pricing changes; confirm with the vendor.
Alternatives: other Legal Research tools
Other tools listed in the same use case, in directory order. Not a ranking.
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CoCounsel (Thomson Reuters)
Thomson Reuters' AI legal assistant for research, analysis, and drafting, grounded in Westlaw, Practical Law, and firm documents.
Best forFirms already on Westlaw or Practical Law, and litigators who want research plus citation checks on briefs.
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Lexis+ with Protégé
LexisNexis' AI research and drafting platform (formerly Lexis+ AI), grounded in Lexis content with Shepard's Verify, Vault, Workrooms, and agent skills.
Best forFirms already on Lexis+, litigators who value Shepard's citation checks, and firms wanting AI over their document management system.

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Vincent AI (Clio Work)
Clio Work (formerly vLex Vincent AI): matter-grounded legal research, document analysis, drafting assists, Clio Library, and Clio Docket alerts.
Best forClio Manage firms and litigators who want research AI on their matters plus multi-jurisdiction library and docket alerts.
Sources
Vendor pages we checked, accessed 2026-10-15.
FAQ
Who is Lex Machina best for?
In our verdict: Firms with substantial federal litigation that want judge, counsel, timing and damages analytics.
What should I watch out for with Lex Machina?
In our verdict: Pricing isn't published. State coverage is selective, so check your venues. It's a separate product from Lexis+ Litigation Analytics.
How much does Lex Machina cost?
Not published; demo and quote only (lexisnexis.com, checked 2026-10-15).