Non sui juris

What non sui juris means

Put simply, non sui juris is part of the working vocabulary of a civil case. The short definition above covers the usual meaning. Still, a specific rule, statute or contract can give it a narrower meaning. For that reason, check how it is used in your own documents.

Where non sui juris comes up

The term is used across many kinds of cases. For example, you may see it in pleadings, motions and court orders. To see it in context, browse the motions and procedures library or the Learn the Law topics.

How to research the term

First, read the term where it actually appears. A rule, statute or court decision may define it for its own purposes. Next, check whether your court has a local rule that uses non sui juris in a special way. Then look at recent decisions from courts in your jurisdiction. They show how judges apply the term today. Also, remember that state law can differ from federal law. For that reason, use our state procedures guide to find your state’s rules. Finally, confirm every source is current before you rely on it.

You can read the current federal court rules online for free.

Related legal terms

• Ninth Amendment: the article of the Bill of Rights providing that "The enumeration in the Constitution, of certain rights, shall not be construed to deny or disparage others retained by the people." It confirms that people hold rights beyond those listed.
• No contest: a plea in which the defendant does not admit guilt but does not contest the charge.
• Nolle prosequi: a prosecutor's formal decision to drop criminal charges.
• Nominee: a person or entity named to hold title or act on behalf of another, who keeps the real benefit. For example, Cede & Co. is the nominee that holds legal title to most U.S. securities for the Depository Trust Company and, ultimately, for investors.

Why precise terms matter

Courts read legal terms closely. As a result, knowing the exact meaning of a word helps you follow orders, rules and filings. Each glossary entry on Lawtopolis is short on purpose and links to the pages where the term is used.