Free tool

Check whether a case citation is real

AI tools invent case citations that look completely convincing. Paste any text, including raw output from an AI assistant, and we will check every citation in it against a real case-law database and link you to what we find.

Free, no signup, no limits beyond basic abuse protection. We never store what you paste. If you want the background on why this matters in Canadian practice, read our note on Zhang v Chen.

Step 1 — Choose the jurisdiction

Juris checks each citation against the case-law database for that jurisdiction, and links you to the decision. More jurisdictions are coming. We only report on what we can actually check.

Step 2 — Paste the text

We do not store what you paste. It is checked and discarded.

What this tool claims, and what it does not

What we do

  • Check each citation against the case-law database for the jurisdiction you chose.
  • Link you to the decision so you can read it yourself.
  • Tell you plainly when the database is unavailable, rather than guessing.
  • Discard your text as soon as the check finishes.

What we do not do

  • Tell you a case does not exist. We only say we could not find it.
  • Tell you whether a case is still good law, or has been overturned.
  • Check jurisdictions we do not cover. We say so instead.
  • Store, log, or train on anything you paste.

This tool is not legal advice, and it does not replace your own verification. You remain responsible for every authority you rely on.

Questions

What does "found" actually mean?

It means the citation matched a decision in the case-law database we checked for that jurisdiction, and we link you to it so you can read it yourself. Every link comes from the database, never from us.

What does "not found" mean? Does the case not exist?

It means the citation did not match anything in the case-law database we checked. That is a strong signal to look closely, and it is not by itself proof that the case does not exist. A citation can be mistyped, unreported, or from a court the database does not cover. Always confirm before you rely on it.

One of my citations came back "not checked". What happened?

The case-law database was temporarily unavailable when we asked it, so we did not get an answer. That is a problem at the database, not with your citation, and it is not a verdict of any kind. Wait a few minutes and run the check again.

Do you tell me whether a case is still good law?

No. This tool answers one question: does this citation resolve to a real decision in the database we checked. Whether a case has since been overturned, distinguished, or is otherwise no longer good law is a separate question, and we will not imply an answer we cannot back.

Do you store the text I paste?

No. Your text is checked in memory and discarded. It is never written to a database, never written to a log, and never used to train anything. We record only counts, such as how many citations were checked, so we know the tool is being used.

Which jurisdictions are covered?

Canada, the United States and the United Kingdom. More jurisdictions are coming. Where we cannot check, we say so plainly rather than guess.

Why is this free?

Because it is the honest version of a demo. Verification is the part of Juris we most want lawyers to test before they trust anything else we say.

Juris verifies every citation, on every case, by default.

An AI you can check, with a link on every authority it gives you.

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Free AI citation checker — find out if a case citation is real — Juris