How Long Do You Have to File a Personal Injury Lawsuit?

After an injury, most people focus on treatment and bills, not on calendars. But one of the most important facts in any injury claim is how much time you have to act. Once that time runs out, the right to bring a lawsuit can be lost for good.

This guide explains in plain English what a statute of limitations is, when the clock starts, why the deadline is different from state to state, and which situations can change it. We are an educational site and not a law firm, so treat this as background and confirm the rule that applies to you.

If you want a quick starting point for your state, try our Statute of Limitations Finder. It is an educational tool and every figure should be checked against current law.

What a statute of limitations is

A statute of limitations is a law that bars claims once a set period has passed after an injury. The period depends on the jurisdiction and on the type of claim. There are deadlines for both civil and criminal matters, and many come from legislatures, though some come from court-made law.

The idea behind them is fairness and certainty. Over time, evidence is lost, memories fade and witnesses become hard to find. A deadline pushes claims to be brought while the facts are still fresh.

When the clock starts

In many injury cases the clock starts on the date the injury happened. In others, it starts when the person discovered the injury, or when they reasonably should have discovered it. This second approach is often called the discovery rule, and whether it applies depends on your state and the kind of claim.

For example, a broken bone after a crash is obvious right away. A condition caused by exposure to a harmful substance might not show up for months or years, which is why discovery rules exist.

How long do you have?

There is no single national number. Each state sets its own time limit for general personal injury claims, and many are in the range of one to three years, though some states allow more. Different claim types in the same state can have different limits, for example claims about a car crash, a property hazard, a defective product or a medical error.

Situations that can change the deadline

• Government defendants. Claims against cities, states, public schools or public transit often require a written notice within a short period, sometimes a matter of months, before a lawsuit can be filed.
• Injured minors. Many states pause or extend the clock while the injured person is a child.
• Wrongful death. These claims are governed by separate state laws and can have their own deadline, often counted from the date of death.
• Medical negligence. Many states have special rules for claims against health care providers.
• The defendant leaves the state. Some states pause the clock while a defendant is out of state.
• Late discovery. As explained above, the clock may start later when an injury could not reasonably have been found sooner.

An insurance claim is not a lawsuit

This is a point many people miss. Reporting the accident to an insurance company and negotiating a settlement does not, by itself, stop the statute of limitations clock. If talks drag on, the deadline can pass while you are still waiting for an offer. Keep track of the date and plan around it.

Steps to protect yourself

1. Write down the date of the injury and keep it with your records.
2. Identify the state and the type of claim. Both can change the deadline.
3. Look up the deadline in your state's official statutes or court self-help pages.
4. Check for shorter notice rules if a government body or public employee may be involved.
5. Put a reminder on your calendar well before the date, and talk with a licensed attorney in time to act.

Frequently asked questions

This article is educational and is not legal advice. We are not a law firm and do not refer or recommend lawyers. Laws differ by state and change over time. Read our Legal Disclaimer and Editorial Policy.