Data sources

Source	Used for	Version / freshness
Supreme Court Database (Penn State)	All case records, votes, issues and outcomes	2026 Release 01; data file dated September 8, 2026; imported November 5, 2026
CourtListener (Free Law Project)	Links to opinion text by citation	Linked live; not copied
Library of Congress — United States Reports	Links to official scans, volumes 1–570	Linked live; not copied
Supreme Court of the United States	Links to slip opinions and dockets for recent Terms	Linked live; not copied

Citation for the Supreme Court Database

Harold J. Spaeth, Lee Epstein, Andrew D. Martin, Jeffrey A. Segal, Theodore J. Ruger, and Sara C. Benesh. 2026. Supreme Court Database, Version 2026 Release 01. URL: https://scdb.psu.edu

CaseTrail is independent. It is not affiliated with or endorsed by the Supreme Court Database, The Pennsylvania State University, the Free Law Project, the Library of Congress, or the Supreme Court of the United States.

Source registry

Access method	Bulk CSV download (case-centered and justice-centered, organized by citation)
Expected refresh	When SCDB publishes a new release, usually after each Term
Last successful import	November 5, 2026 — 9,409 case records, 84,256 Justice-vote records
Known limitations	See Methodology