Index of the Record
Every dimension of the corpus, one click away.
The Empirical Record
Not summaries of the law — measurements of it.
- Case-by-case analysisCitation profile, citations over time, the appellate journey, and how later courts treated the case.See what it measures
- Most-quoted passagesThe exact sentences later courts rely on, verified word-for-word against the source opinion.How we verify them
- Circuit splitsWhere the federal courts of appeals openly disagree, organized by issue.Browse the splits
- Judge recordsYear-by-year opinions authored and cited, with each judge’s most-relied-on passages.See what a record holds
- Case statusWhether a case is still good law — and exactly how we compute it.See it on real cases
- Citation checkerPaste a citation or a quote; we verify it against the record. Free.Check a citation
- Compare laws by stateOne legal subject at a time — every state’s own statute laid beside the federal law, each linked to its full text.Browse the comparisons
Coming Soon
In the order we expect to ship it.
- Treatment signals at scaleHow every later court treated each case — followed, distinguished, criticized, or overruled.
- Full-text & semantic searchSearch every opinion by meaning, not just keywords.
- Notes of DecisionsEvery court decision applying a statute, organized under the statute section itself.
- Rule pages & deeper case analyticsThe rules courts actually apply, each grounded in its quoted sentence — plus per-passage pages and data export.
- Citation maps & relationship visualsExplorable maps of how cases, judges, and doctrines connect.
- At-Risk PrecedentsPrecedents whose citation patterns show the signatures of doctrinal decline.