Free caselaw search on LawDiver
Reads the query and runs every engine that has something to work with, then merges the results.
Every state court and every federal court.
Search by citation, case name, boolean terms, or a description of the issue.
AND or & — both words, anywhere. negligence AND causationand — lowercase and is not a connector.OR — either word. rescission OR cancellationor — lowercase or is not a connector.NOT, BUT NOT, or % — drop opinions that contain the next word. immunity BUT NOT prisoner"phrase" — those words, in that order. "clearly established"/s — within 25 words. employer /s negligent/p — within 80 words. "forum non conveniens" /p factorsw/5 — within 5 words. summary w/3 judgmentPick the court system whose decisions bind your case: a single state, a federal circuit, or the U.S. Supreme Court. Coverage includes U.S. Supreme Court, federal courts of appeals, federal district courts, and the appellate and supreme courts of all fifty states.
Type a citation or case name for a known decision, or describe the legal issue in plain English and let semantic search find opinions that address it. Boolean terms with proximity connectors also work.
Open a result to read the full text of the decision alongside its citation, court, date, and holdings, and download the official court PDF.
Select the cases that matter and download a structured PDF of the set, which can be handed to an AI assistant so its answers are grounded in real opinions.
For connector syntax, read the search connectors and boolean operators guide. Developers can call the same corpus via the legal research API, the API docs, or the MCP server for AI assistants. Cite-check a brief with CiteCheck, or read where to search caselaw and cheap Westlaw alternatives.
Open LawDiver, choose the jurisdiction, and search by citation, case name, or a description of the legal issue. All 10 million+ opinions are readable in full at no cost and with no account.
Yes. LawDiver runs semantic search over opinion text, so a plain-English description of the issue returns cases that address it even when they use different wording. Keyword, boolean, and citation search are also supported.
Yes. Examples: negligence AND causation (both words), rescission OR cancellation (either word), immunity NOT prisoner or immunity BUT NOT prisoner (exclude that word; NOT, BUT NOT, and % are the same exclusion), "clearly established" (those words in order), employer /s negligent (within 25 words), summary w/3 judgment (within 3 words). /p is within 80 words. Pin Boolean when every term must match. The rules are at /docs/search-connectors. Citation lookup, case-name lookup, and semantic search run alongside that on the default search.
Yes. Every opinion links to the official court PDF, and a selected set of cases can be exported as a single structured research PDF.
Looking for operators? See the boolean search operators guide, or the API documentation.