Legal Research Democratized

Access millions of court cases, track citations, and verify case validity. Professional-grade legal research at a fraction of the cost.

9,942,090
Court Cases
76,092,493
Citation Links
9,935,218
Full Text Opinions

Everything You Need for Legal Research

Built for lawyers, paralegals, students, and anyone who needs access to case law.

Case Validity

Know if a case is still good law. Track positive and negative citations to understand precedential value.

Citation Graph

Explore 76 million citation links. See what cases cite your case and what authorities it relies upon.

Full-Text Search

Search across millions of opinions. Find cases by name, citation, legal issue, or any keyword in the text.

All Courts

Supreme Court, Federal Appeals, District Courts, and State Courts. Comprehensive coverage across jurisdictions.

API Access

Verify citations programmatically. Perfect for AI assistants, document review, and automated research tools.

Affordable

Legal research shouldn't cost thousands per month. Access the same case law at a fraction of the price.

Ready to start researching?

Join thousands of legal professionals who use Delphi for their research needs.

Create Free Account