Lexsphere Legal Authority

A family of legal authority verification products built on the Lexsphere Proprietary Data System. Using the Lexsphere data system as its source of truth, Lexsphere Legal Authority helps organizations verify legal citations, monitor legal authority, and audit legal workflows with authentic, trusted, and continuously maintained legal data.

Legal Brief Validation

Verify Legal Citations and Detect AI Hallucinations

Identifies citations within legal documents and validates citation authenticity or flags hallucinations.

  • Citation verification
  • Hallucination detection
  • Legal reference validation
Brief validation Motion_to_Dismiss.pdf
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See Brown v. Board of Education, 347 U.S. 483 for controlling authority.

Cited in Smith v. Example, 999 F.4th 101.

92 confidence
Verified citation
Review needed
Authority matched

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