legal-search
Search over 5 million US court opinions from SCOTUS, federal circuits, district, and state courts. Filter by court level, date range, or judge to find precedents or analyze regulations.
Instructions
Searches 5M+ US court opinions (SCOTUS, federal circuits, district courts, state courts) via CourtListener. Returns case name, court, date, citation, docket number, and a text snippet. Filter by court level, date range, or judge name. Useful for legal research agents, contract risk analysis, precedent lookup, and regulatory compliance workflows.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| query | No | Search query — can be a legal concept, case name, statute, or citation (e.g. 'miranda rights', 'negligence per se', 'Title VII', '410 U.S. 113'). | |
| court | No | Filter by court level: 'scotus', 'appeals', 'district', or a specific court ID (e.g. 'ca9', 'nysd'). Leave blank for all courts. | |
| date_after | No | Filter to opinions filed after this date (YYYY-MM-DD). | |
| date_before | No | Filter to opinions filed before this date (YYYY-MM-DD). | |
| limit | No | Max results (default 5, max 20). |