courtlistener
Installation
SKILL.md
CourtListener for empirical legal research
Free Law Project's corpus. Three access routes with very different properties, and one distinction that people get wrong before they start.
The two corpora are not the same thing
| corpus | source | coverage | contains |
|---|---|---|---|
| Opinions (case law) | scraped from court websites | federal and state | written decisions, full text |
| RECAP | PACER | federal only | docket entries, motions, filings |
The tell is on the court record itself: pacer_court_id: null + has_opinion_scraper: true
means a scraped state court, not a PACER one. Verified on Delaware Chancery: