Where to Search Case Law Free
Free case-law research runs on a handful of reliable databases. CourtListener and Google Scholar are the two workhorses for keyword searching; Justia and FindLaw are strong for browsing by court and year; Cornell’s Legal Information Institute is the best free source for background reading alongside Supreme Court opinions; and the Caselaw Access Project fills in historical depth. Between them, you can find nearly any published federal or state appellate opinion without paying.
Each tool has different strengths, so most researchers keep two or three in rotation. (New to opinions themselves? Start with what case law is — knowing how precedent works makes every search below more effective.)
We maintain a fuller directory of free legal research tools with notes on what each covers.
Is FindLaw Legitimate — and Is It Free?
Yes on both counts. FindLaw is one of the oldest legal information sites on the web and is owned by Thomson Reuters, the same company that runs Westlaw. Its case-law archive, plain-English legal articles, and lawyer directory are all free to use. The business model is advertising: law firms pay to appear in the directory, which funds the free content. That means its consumer articles are written with lead generation in mind, but the court opinions it hosts are the real thing.
What Is FindLaw Used For?
FindLaw serves two different audiences. Consumers use it to read plain-English explanations of everyday legal topics and to find attorneys through its directory. Researchers use its free opinion archive, which is particularly convenient for US Supreme Court decisions and for browsing state appellate courts by year. For keyword research across many courts at once, CourtListener and Google Scholar are stronger; FindLaw shines when you already know roughly which court and time period you need.
CourtListener, Justia, and the Caselaw Access Project
CourtListener, run by the nonprofit Free Law Project, is the most capable free research platform. It hosts millions of opinions from federal and state courts, lets you search by citation, judge, or court, shows which later opinions cite your case, and offers alerts when new decisions match a saved search. Its RECAP archive also makes millions of federal docket filings free that would otherwise cost money on PACER. We cover it in more depth in our CourtListener review.
Justia takes a browsing-first approach: opinions are organized by court, year, and topic, with free daily opinion summaries by email. It is often the fastest way to pull up a case when you know its name, and its annotations link related codes and regulations.
The Caselaw Access Project is a Harvard Law School Library effort that digitized the school’s collection of printed case reporters, reaching back to the earliest American decisions. It is the free source for historical depth. Its data now also powers search on CourtListener, so for most day-to-day research you will encounter it through other tools.
Search Strategy: From Keywords to Key Cases
The database matters less than the method. Law librarians teach roughly the same process regardless of platform:
- Fix the jurisdiction first. An opinion from the wrong state may be interesting, but it does not bind your court. Restrict your search to the relevant state or federal circuit before anything else.
- Learn the terms of art. Courts rarely use everyday vocabulary. A search for “slip and fall” misses opinions that say “premises liability.” Skim a free overview or encyclopedia entry first and collect the phrases courts actually use.
- Combine a term of art with a distinctive fact. Searches like “premises liability” ice sidewalk narrow thousands of results to a readable list.
- Let one good case do the work. Once you find a single on-point opinion, stop keyword searching. Read the cases it cites for the foundational rules, then use the citing-opinions or “How cited” feature to find every later case that discusses it. This citation-chaining step is how researchers get from one case to the complete picture.
- Check that your cases are still good law. Any case you plan to rely on needs a citator check for reversal or overruling — the final, non-negotiable step.
Westlaw and Lexis: When Paid Databases Are Worth It
Free databases give you the opinions. What Westlaw and LexisNexis sell is everything wrapped around them: editorial headnotes that classify each point of law, annotated statutes that collect the cases interpreting every section, secondary sources like treatises and practice guides, and, above all, the KeyCite and Shepard’s citators that authoritatively flag when a case has been overruled or undermined.
For a one-off question, free tools are usually enough. If you are filing something with a court, the calculus changes: missing a case that overruled your key authority is a serious error, and paid citators remain the gold standard for catching it. Before buying a subscription, check your options for free access — many law schools, county law libraries, and some public libraries offer Westlaw or Lexis terminals, and many state bar associations include a research platform in membership.