In legal terms, being enjoined means a court has issued an order — an injunction — directing you to stop doing something or, in narrower circumstances, to take a specific action. That is the core enjoined legal meaning: a judge has decided that money damages will not adequately address the situation and has instead ordered you to change your behavior. Violating the order can result in fines, jail, or both for contempt of court.
Injunctions come out of a court’s equitable powers, which let judges craft remedies beyond awarding money. Because these orders are tailored to the facts, no two look exactly alike. A judge might prohibit a company from selling a specific product, bar a former employee from using trade secrets, or require a government agency to change a policy. What ties them together is that the person enjoined is legally obligated to obey until the order is lifted or modified.
Being Ordered to Stop vs. Being Ordered to Act
Injunctions fall into two functional categories. A prohibitory injunction tells you to stop a specific activity or not to start one. These are the more common variety and preserve things as they are. A mandatory injunction tells you to take affirmative action, often to undo harm you already caused.1LII / Legal Information Institute. Mandatory Injunction
The distinction matters for anyone on the receiving end. Courts are more reluctant to issue mandatory injunctions than prohibitory ones because ordering someone to act is more intrusive than ordering them to stop. When a court does issue a mandatory injunction, it typically requires a stronger showing from the plaintiff that the requested action is genuinely necessary.
How Long the Order Lasts
Courts also classify injunctions by when they are issued and how long they stay in force. There are three types, and the label on your order tells you a lot about what to expect next.
Temporary Restraining Orders
A temporary restraining order is the emergency version. A court can issue a TRO without notifying the other side first if the person requesting it shows, through a sworn statement, that waiting even a few days for a hearing would cause immediate and irreparable harm.2Cornell Law School. Federal Rules of Civil Procedure Rule 65 – Injunctions and Restraining Orders
Under federal rules, a TRO expires no later than 14 days after it is entered, though the court can extend it once for another 14 days if there is good cause. After that, the court must either hold a hearing on a preliminary injunction or let the order lapse.2Cornell Law School. Federal Rules of Civil Procedure Rule 65 – Injunctions and Restraining Orders
Preliminary Injunctions
A preliminary injunction takes effect after both sides have had a chance to be heard. The court holds a formal hearing, considers evidence, and decides whether restrictions should stay in place while the lawsuit is pending. Unlike a TRO, a preliminary injunction requires notice to the opposing party before it can be issued.2Cornell Law School. Federal Rules of Civil Procedure Rule 65 – Injunctions and Restraining Orders These orders remain in effect until the trial concludes or the court modifies them, which can mean months or years of restrictions in a complex case.
Permanent Injunctions
A permanent injunction is issued after a full trial and reflects a final judgment. Despite the name, “permanent” does not always mean forever. A court can later modify or dissolve the order if circumstances change substantially. But a permanent injunction reflects a definitive finding that the plaintiff proved their case and that money damages alone would not make them whole.
What a Plaintiff Has to Prove
Courts do not enjoin people casually. The party asking for the injunction carries the burden of proof, and the bar is intentionally high.
For a TRO or preliminary injunction, the Supreme Court’s decision in Winter v. Natural Resources Defense Council requires the plaintiff to show a likelihood of success on the merits, a likelihood of irreparable harm without the order, that the balance of equities tips in their favor, and that an injunction is in the public interest. A mere “possibility” of irreparable harm is not enough; the harm must be likely.3Cornell Law Institute. Winter v Natural Resources Defense Council, Inc
For a permanent injunction, the Supreme Court’s decision in eBay Inc. v. MercExchange uses a parallel four-factor test: actual irreparable injury, inadequacy of money damages, a balance of hardships favoring equitable relief, and no disservice to the public interest. Winning the case is not enough on its own — the court must still walk through the four factors before ordering the defendant to change behavior.4Justia US Supreme Court. eBay Inc v MercExchange, LLC, 547 US 388 (2006)
If you were enjoined at an early stage of a case, the court decided that the plaintiff had at least made this showing on the record available at the time. That does not mean the ultimate outcome is settled, but it does mean the order is enforceable against you now.
Who the Order Reaches
p>An injunction does not just bind the named parties. Under Federal Rule 65(d)(2), it also reaches the parties’ officers, agents, employees, and attorneys, along with anyone else who acts “in active concert or participation” with a bound party, as long as they receive actual notice of the order.2Cornell Law School. Federal Rules of Civil Procedure Rule 65 – Injunctions and Restraining Orders
This has real consequences. A company cannot dodge an injunction by having a subsidiary, contractor, or business partner do the prohibited act instead. If that third party knows about the injunction and cooperates with the enjoined party to circumvent it, the third party is also liable for contempt. If you learn that someone you work with or for has been enjoined, and they ask you to help with the very thing the order prohibits, you take on the same exposure they have.
What the Order Must Actually Say
A vague injunction is unenforceable. Federal Rule 65(d) requires every injunction or restraining order to state the reasons it was issued, spell out its terms specifically, and describe in reasonable detail the acts it restrains or requires. The court cannot simply refer to the complaint or another document.2Cornell Law School. Federal Rules of Civil Procedure Rule 65 – Injunctions and Restraining Orders
This protects the person being enjoined. You cannot comply with an order you do not understand, and you should not face contempt sanctions for violating terms that were never clearly defined. An injunction that reads as ambiguous or overbroad is a legitimate basis for a challenge.
What Happens If You Violate It
Ignoring an injunction is one of the fastest ways to end up in serious legal trouble. Federal courts have inherent power to punish contempt through fines, imprisonment, or both.5Office of the Law Revision Counsel. 18 US Code 401 – Power of Court The consequences differ depending on whether the court treats the violation as civil or criminal contempt.
Civil Contempt
Civil contempt is designed to force compliance rather than to punish. The classic tool is a daily fine that accrues until the violator starts obeying the order. The Department of Justice describes this as the person “holding the keys to their own cell,” able to end the sanctions at any time by complying.6Department of Justice. Criminal Resource Manual 757 – Tests for Distinguishing Between Civil and Criminal Contempt – Purging Courts can also order confinement in civil contempt cases, but only if the person actually has the ability to comply.
Criminal Contempt
Criminal contempt is punitive. It punishes past disobedience and does not disappear when the person decides to comply. A criminal contempt finding can result in a fixed jail sentence and fines. Because liberty is at stake, criminal contempt proceedings come with criminal-level procedural protections, including the right to a jury trial in serious cases.7LII / Legal Information Institute. Inherent Powers of Federal Courts – Contempt and Sanctions
The simplest test between the two: if the sanction ends when you comply, it is civil. If it is a fixed punishment for what you already did, it is criminal.
Appealing or Getting the Order Lifted
Most court orders cannot be appealed until the case is completely over. Injunctions are an exception. Federal law specifically allows immediate interlocutory appeals of orders that grant, deny, modify, or dissolve injunctions.8Office of the Law Revision Counsel. 28 US Code 1292 – Interlocutory Decisions
Appellate courts review injunction decisions under an abuse-of-discretion standard, which gives the trial judge significant room. Legal conclusions, like whether the correct standard was applied, are reviewed without deference. As a practical matter, reversing an injunction on appeal is difficult; the party seeking reversal generally needs to show a clear legal error or a result no reasonable judge would have reached on the same facts.
Even after an injunction becomes final, it is not necessarily set in stone. Under Federal Rule 60(b), a party can ask the court to modify or dissolve a final judgment, including a permanent injunction, based on changed circumstances, newly discovered evidence, fraud by the opposing party, or a determination that the judgment is void. Motions based on mistake, new evidence, or fraud must be filed within one year. Motions based on other grounds, including changed circumstances, must be brought within a reasonable time, judged case by case.9Cornell Law School. Federal Rules of Civil Procedure Rule 60 – Relief from a Judgment or Order If you are living under an injunction that no longer matches current facts on the ground, Rule 60(b) is the mechanism for asking a court to revisit it.