{"openapi":"3.1.1","info":{"title":"Federal civil cases filed, by county of the plaintiff's residence, case type and year (Federal Judicial Center): data API","version":"v1","summary":"Static, read-only JSON and CSV files. No key, no sign-up. CORS open.","description":"Federal civil cases filed, by county of the plaintiff's residence, case type and year (Federal Judicial Center): How many federal civil lawsuits are filed in each U.S. county, and of what kind, over the last ten complete federal fiscal years, from the Federal Judicial Center's Integrated Database (IDB). A case is counted in the county where the first-listed plaintiff lives (the first-listed defendant's county when the United States sues; the tract's county in land condemnation cases), by 16 nature-of-suit groups plus multidistrict litigations (MDLs), and rolled up to Probative's practice areas. One record per county carries all ten years, the prior-year change and the year-by-year history. Cases that cannot be placed in a county are published as rows of their own, per state and nationally: plaintiffs who live in the U.S. outside the court's state (with the MDL share), plaintiffs who live abroad, cases under a retired county code, and cases with an unrecorded county; district records add the same parts for each of the 94 district courts. Every state equals the sum of its counties and these rows, and the national total ties to the U.S. Courts' Table C-2 within a fraction of a percent. Only counts are published: no party, docket number or judge.\n\nProbative is a marketing firm, not a law firm; not legal advice. Every JSON response starts with a \"meta\" object holding the credit line, citation, DOI and license (CC BY 4.0).","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"contact":{"name":"Probative Growth","url":"https://probativegrowth.com/contact/","email":"hello@probativegrowth.com"}},"servers":[{"url":"https://probativegrowth.com"}],"externalDocs":{"description":"How to use the API and the MCP server","url":"https://probativegrowth.com/resources/rules-api/"},"paths":{"/data/v1/federal-filings-county/index.json":{"get":{"summary":"Federal civil cases filed, by county of the plaintiff's residence, case type and year (Federal Judicial Center): index","description":"federal-filings-county: meta, summary and what the dataset holds","parameters":[],"responses":{"200":{"description":"Federal civil cases filed, by county of the plaintiff's residence, case type and year (Federal Judicial Center): index","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Envelope"}}}},"404":{"description":"No such file"}},"tags":["federal-filings-county"]}},"/data/v1/federal-filings-county/changes.json":{"get":{"summary":"Federal civil cases filed, by county of the plaintiff's residence, case type and year (Federal Judicial Center): confirmed changes","description":"federal-filings-county: confirmed changes, newest first","parameters":[],"responses":{"200":{"description":"Federal civil cases filed, by county of the plaintiff's residence, case type and year (Federal Judicial Center): confirmed changes","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Envelope"}}}},"404":{"description":"No such file"}},"tags":["federal-filings-county"]}},"/data/v1/federal-filings-county/jurisdictions/{key}.json":{"get":{"summary":"Federal civil cases filed, by county of the plaintiff's residence, case type and year (Federal Judicial Center): one jurisdiction","description":"federal-filings-county: the records for one jurisdiction","parameters":[{"name":"key","in":"path","required":true,"description":"The jurisdiction key, uppercase","schema":{"type":"string"}}],"responses":{"200":{"description":"Federal civil cases filed, by county of the plaintiff's residence, case type and year (Federal Judicial Center): one jurisdiction","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Envelope"}}}},"404":{"description":"No such file"}},"tags":["federal-filings-county"]}},"/data/v1/federal-filings-county/federal-filings-county.csv":{"get":{"summary":"Federal civil cases filed, by county of the plaintiff's residence, case type and year (Federal Judicial Center) as CSV","description":"federal-filings-county: every record (credit line in README.txt)","parameters":[],"responses":{"200":{"description":"Federal civil cases filed, by county of the plaintiff's residence, case type and year (Federal Judicial Center) as CSV","content":{"text/csv":{"schema":{"type":"string"}}}},"404":{"description":"No such file"}},"tags":["federal-filings-county"]}},"/data/v1/federal-filings-county/federal-filings-county.json":{"get":{"summary":"Federal civil cases filed, by county of the plaintiff's residence, case type and year (Federal Judicial Center): every record","description":"federal-filings-county: every record in one file","parameters":[],"responses":{"200":{"description":"Federal civil cases filed, by county of the plaintiff's residence, case type and year (Federal Judicial Center): every record","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Envelope"}}}},"404":{"description":"No such file"}},"tags":["federal-filings-county"]}},"/data/v1/federal-filings-county/search.json":{"get":{"summary":"Federal civil cases filed, by county of the plaintiff's residence, case type and year (Federal Judicial Center): keyword index","description":"federal-filings-county: id, key, status and text of every record","parameters":[],"responses":{"200":{"description":"Federal civil cases filed, by county of the plaintiff's residence, case type and year (Federal Judicial Center): keyword index","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Envelope"}}}},"404":{"description":"No such file"}},"tags":["federal-filings-county"]}},"/data/v1/federal-filings-county/README.txt":{"get":{"summary":"Credit line, citation and columns","description":"federal-filings-county: the CSV sidecar","parameters":[],"responses":{"200":{"description":"Credit line, citation and columns","content":{"text/plain":{"schema":{"type":"string"}}}},"404":{"description":"No such file"}},"tags":["federal-filings-county"]}}},"components":{"schemas":{"Meta":{"type":"object","description":"Credit line, citation, DOI, version, license and disclaimer. 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