Where to find U.S. Supreme Court cases online

Free U.S. Supreme Court caselaw search on LawDiver. Find Supreme Court opinions by citation or issue, read full text, download official PDFs, and search the SCOTUS caselaw API. Browse all guides · U.S. Supreme Court research guide

Free caselaw search for U.S. Supreme Court

Search U.S. Supreme Court opinions for free on LawDiver. The Supreme Court is the highest court in the United States, and every signed opinion plus many per curiam and memorandum dispositions are searchable here by citation, case name, or plain-English description of the legal issue. Open any result to read the full text, see holdings and later treatment, and download the official PDF — no subscription and no login.

Coverage includes merits opinions, per curiam decisions, and orders with opinions from the Supreme Court of the United States. Filters narrow by date, publication status, and good-law signals; every result links to its official PDF and to cases it cites and that cite it.

For broader research, use all federal cases or a state page — California, Texas, New York.

LawDiver legal research API·API docs·U.S. Supreme Court caselaw API·Search connectors·MCP server·CiteCheck

How to search U.S. Supreme Court cases

Find a SCOTUS opinion by citation or issue in under a minute.

  1. 1.Confirm SCOTUS scope

    This page is pre-set to Supreme Court only. The jurisdiction chip should read SCOTUS. Change it only if you want circuit or district cases too.

  2. 2.Enter a citation, case name, or issue

    Examples: 410 U.S. 113, roe v wade, or what is the test for qualified immunity. Boolean, phrase, and proximity connectors work; see /docs/search-connectors.

  3. 3.Read the opinion

    Open a hit to read the full text alongside citation, date, holdings, and good-law flags, and download the official PDF.

  4. 4.Export or check citations

    Save cases to a research set for AI grounding, or paste citations into CiteCheck and the API to see whether they are still good law.

Where to find caselaw for U.S. Supreme Court

The official source for Supreme Court opinions is supremecourt.gov. LawDiver indexes every signed and per curiam opinion for free search with full text, holdings, and PDFs, and the API exposes the same SCOTUS corpus for automation.

For connector syntax — AND, OR, /s, /p, w/n, phrases — read the search connectors and boolean operators guide. LawDiver is free legal research and a free Westlaw alternative, a cheap Westlaw alternative, a free Lexis alternative, and a cheap Lexis alternative for primary law.

U.S. Supreme Court caselaw API

The SCOTUS caselaw API is the LawDiver legal research API filtered to the Supreme Court. Search, retrieve, cite-check, and fetch PDFs for SCOTUS opinions from your own app, free during the current rollout. Base URL https://lawdiver.com/api/v1. Authentication is an API key in Authorization: Bearer …. See the legal research API and API docs. Responses are JSON with opinion metadata, holdings, text, and citation data.

cURL — SCOTUS semantic search

curl -s https://lawdiver.com/api/v1/search/caselaw \
  -H "Authorization: Bearer $LAWDIVER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"query":"qualified immunity clearly established","scope":{"courts":["scotus"]},"searchType":"semantic"}' | jq

Fetch — SCOTUS citation lookup

const res = await fetch("https://lawdiver.com/api/v1/search/caselaw", {
  method: "POST",
  headers: { Authorization: "Bearer " + process.env.LAWDIVER_API_KEY, "Content-Type": "application/json" },
  body: JSON.stringify({ query: "410 U.S. 113", scope: { courts: ["scotus"] }, searchType: "citation" })
});
const data = await res.json();

To cite-check a brief against U.S. Supreme Court authorities, send it to POST /api/v1/citecheck/documents or paste into CiteCheck. To put U.S. Supreme Court caselaw into an AI agent, use the LawDiver MCP server for Claude, ChatGPT, and Cursor. For bulk licensing, see bulk data.

Frequently asked questions

Where can I find free U.S. Supreme Court cases?

On LawDiver at /caselaw/scotus. Search SCOTUS opinions by citation, case name, or a plain-English description of the issue, then read the full text and download the official PDF with no login.

Is LawDiver a free Westlaw alternative for Supreme Court research?

Yes. LawDiver is a free Westlaw alternative and a free Lexis alternative for Supreme Court opinions, with full text, holdings, and official PDFs at no cost and no subscription. It is not a full replacement for every secondary treatise in a commercial seat.

How do I look up a Supreme Court case by citation?

Open /caselaw/scotus and type the citation — for example, 410 U.S. 113 or 347 U.S. 483. The citation engine returns the exact opinion and links to its PDF and later treatment.

Can I filter Supreme Court cases by date or publication status?

Yes. Use the Filters panel for date ranges and for published-only. Overruled and distinguished cases are flagged in the results; hide them with the good-law-only checkbox when needed.

Can I download the official PDF of a Supreme Court opinion?

Yes. Every SCOTUS opinion on LawDiver links to the official court PDF, and a selection of cases can be exported as one structured research PDF for AI grounding.

Is there a Supreme Court caselaw API?

Yes. The LawDiver legal research API at /docs/api searches the same SCOTUS corpus and is free during the current rollout. Send scope courts [scotus] or a SCOTUS-only query; an API key is required. See /products/api and /docs/api.

Does LawDiver check whether a Supreme Court citation is still good law?

Yes. CiteCheck at /products/citecheck and POST /api/v1/citecheck documents verify whether a citation is still good law against the live SCOTUS and federal corpus.

Looking for operators? See the boolean search operators guide, or the API documentation.