Understanding TROs and Preliminary Injunctions

Litigation is rarely fast. Even straightforward business disputes can take years to reach trial, and by then the damage may already be done. Contracts expire, competitors move on, employees change jobs, and assets disappear. This reality explains why courts have developed tools that allow them to intervene early in the life of a lawsuit.

Temporary restraining orders (TROs) and preliminary injunctions are designed for moments when waiting simply is not an option. They are powerful, disruptive, and often expensive. Used carefully, they can preserve value and prevent irreversible harm. Used poorly, they can drain resources and weaken a case before it truly begins.

Why Emergency Relief Exists

Civil litigation moves slowly by design. Courts want full briefing, developed facts, and orderly procedure. That approach works well in most cases, but not all.

Some disputes involve harm that cannot be undone once it occurs:

• A trade secret disclosed is no longer secret.
• A unique piece of real estate sold to a third party is gone.
• A revoked regulatory license may permanently alter a business.

As Billy Jones of Lathrop GPM explains, “TROs and preliminary injunctions are tools that pop up when you need to do something now, because the normal pace of a lawsuit just won’t protect the client.”

Emergency relief exists to preserve the status quo while the case proceeds. Courts are not deciding who ultimately wins. They are deciding whether something must be stopped or preserved in the present moment so that a final decision will still matter.

Similar Goals, Different Timing

TROs and preliminary injunctions are closely related, but they serve different roles.

A TRO is short-term emergency relief. Courts typically issue TROs for 10 or 14 days, sometimes with the option to extend them briefly. In rare circumstances, a judge may grant a TRO without notice to the opposing party if immediate harm is truly imminent.

Although TROs can be issued without notice, judges generally dislike ex parte proceedings. Judges frequently ask whether the opposing party was informed and given an opportunity to respond. Proceeding without notice increases scrutiny and raises the bar for demonstrating irreparable harm. In practice, true ex parte relief is reserved for the most extreme circumstances.

A preliminary injunction is longer-lasting. It usually follows a hearing where both sides present evidence and legal arguments. If granted, it can remain in place for months or even years while the case works its way toward trial.

Because of the short lifespan of a TRO, lawyers often request both forms of relief at the same time. The TRO provides immediate protection, while the court schedules a hearing to decide whether that protection should continue.

“The TRO is really for your most emergency situation. The preliminary injunction is what carries that relief forward once the court has had a chance to hear from both sides,” notes Jennifer Knight Lang of Fennemore Craig P.C.

Mandatory vs. Prohibitory Injunctions

Not all injunctions are created equal. Courts distinguish between ‘prohibitory injunctions’ and ‘mandatory injunctions.’

• Prohibitory injunctions stop someone from doing something, such as using confidential information or selling a specific asset.
• Mandatory injunctions require a party to take affirmative action, such as turning over property or reinstating an employee.

Courts strongly disfavor mandatory injunctions at the early stages of a case. Ordering someone to act before the facts are fully developed makes judges uncomfortable and raises the risk of error. Understanding this distinction can significantly affect how a request is framed and whether it succeeds.

What Courts Require

Although the details vary by jurisdiction, courts generally evaluate four core factors when deciding whether to grant emergency relief:

1. The requesting party must show a likelihood of success on the merits. Judges are not deciding the entire case, but they must believe the claim has real legal and factual support.
2. The party must demonstrate irreparable harm if relief is denied. This means harm that cannot be adequately repaired later with monetary damages.
3. Courts consider the balance of equities. Judges weigh the harm to the moving party if relief is denied against the harm to the opposing party if relief is granted.
4. Courts consider whether an injunction serves the public interest. This factor often plays a larger role in cases involving constitutional rights, regulated industries, or public safety.

Some courts apply these factors flexibly, allowing a strong showing on one factor to offset a weaker showing on another. Others apply them more rigidly. Either way, these standards frame every emergency relief request.

Irreparable Harm: The Biggest Hurdle

Irreparable harm is where most TRO and injunction requests fail.

Courts routinely reject arguments based on lost revenue, delayed transactions, or increased competition. While those harms may be serious, judges generally view them as compensable with money damages.

Examples of harm courts are more willing to treat as irreparable include:

• misuse of trade secrets,
• violations of constitutional rights,
• loss of goodwill that cannot be measured, or
• destruction of unique property.

The Cost and Risk of Moving Fast

Emergency relief is expensive. TRO and preliminary injunction proceedings often become mini-trials, with accelerated briefing, expedited discovery, and witness preparation compressed into days or weeks.

There is also the issue of bonds. Courts frequently require the party seeking an injunction to post a bond to protect the opposing party if it later turns out the injunction was wrongly issued. The larger the potential harm to the restrained party, the larger the bond is likely to be. In this way, bond requirements can turn a legal victory into a practical loss if they are not considered in advance.

Arbitration Clauses and Emergency Relief

Arbitration clauses complicate emergency relief but do not always prevent it.

Many commercial contracts include carve-outs allowing parties to seek injunctive relief in court despite an arbitration requirement. Even without a carve-out, some arbitration rules allow arbitrators to issue emergency or interim injunctions.

The key is understanding the contract language and arbitration rules before a crisis arises. Waiting until an emergency occurs to analyze these provisions often limits options and increases cost.

What Happens After the Court Rules

Winning emergency relief is not the end of the story. Orders must be read carefully, deadlines calendared, and compliance ensured. Injunctions are court orders, and violations can result in contempt sanctions.

Injunction rulings often shape the remainder of the case. They may lock in testimony, influence discovery strategy, and significantly affect settlement leverage.

Losing emergency relief can also be informative. Courts often explain exactly what was missing, providing guidance for the rest of the litigation. In some cases, denial of relief is a clear signal that settlement or exit should be considered.

The Importance of These Early Decisions

Preliminary injunction rulings frequently act as turning points. Because courts evaluate the likelihood of success on the merits, their decisions often signal how they view the case as a whole.

Many disputes settle shortly after a preliminary injunction ruling, once the parties understand where they stand. Emergency relief is not just about speed; it is about shaping the trajectory of the entire case.

Used wisely, emergency relief can preserve rights and prevent permanent harm. Used reflexively, it can become an expensive detour that weakens credibility and leverage.

To learn more about this topic view TROs and Preliminary Injunctions. The quoted remarks referenced in this article were made either during this webinar or shortly thereafter during post-webinar interviews with the panelists.  Readers may also be interested to read other articles about litigation.

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