You have two years from the date of injury to file a personal injury lawsuit in Arizona

Arizona Revised Statutes section 12-542 sets a statute of limitations — a legal important date — for personal injury claims. This important date is two years from the date you were injured. If you do not file your lawsuit within that window, the court will dismiss your case, and you lose the right to recover damages through the civil court system, regardless of whether you have a valid claim.

The two-year clock starts on the date the injury occurred, not the date you discovered it or sought medical care. Understanding when that clock starts, what stops it, and what happens if you miss the important date is essential because there are very few exceptions to this rule in Arizona.

Key Takeaways

  • Arizona law gives you exactly two years from the date of injury to file a personal injury lawsuit, or your case will be dismissed by the court.
  • The important date begins on the date the injury happened, not when you discovered the injury or when symptoms appeared.
  • Filing a lawsuit means submitting a formal complaint to the court, not sending a demand letter to the insurance company or settling out of court.
  • If you miss the important date, you cannot recover money through a lawsuit, though you may still have other options depending on your situation.
  • Certain circumstances — such as the defendant leaving Arizona or a claim against a government agency — can pause the clock, but these exceptions are narrow and require specific legal steps.

When the two-year clock starts

The statute of limitations begins on the date the injury occurs, not on the date you realize you were harmed. This matters most in cases where the injury is not when ready obvious. For example, if you are in a car accident on January 15 but do not discover a back injury until March, your two-year important date still runs from January 15. You do not get extra time because the injury was hidden.

In rare cases involving what Arizona courts call latent injuries — harm that could not reasonably have been discovered at the time — the clock may start when you discover the injury or when a reasonable person would have discovered it. However, this exception is narrow. You cannot straightforward claim you did not know about an injury; the injury itself must have been genuinely impossible to detect at the time it occurred. Medical malpractice cases sometimes fall into this category, but the burden of proving a latent injury is high.

What counts as "filing" a lawsuit

Filing a lawsuit means submitting a formal complaint to the Arizona court with jurisdiction over your case. Sending a demand letter to an insurance company, negotiating a settlement, or having your attorney send a letter of intent does not count as filing. Neither does reporting the incident to police or filing an insurance claim. The statute of limitations requires that you actually file a document with the court.

The filing date is the date the court receives and stamps your complaint, not the date your attorney drafts it or the date you sign it. If you are working with an attorney, confirm the exact filing date with them. If you are filing on your own, bring your complaint to the court clerk's office and ask for a time-stamped copy showing the date received.

Circumstances that can pause the clock

Arizona law recognizes a few situations where the statute of limitations clock pauses, though these are exceptions and explore only under specific conditions. If the defendant leaves Arizona with the intent to delay or defraud creditors, the time they are absent may not count toward the two-year limit. However, you must prove the defendant's intent, and this exception is rarely used.

If your claim is against a government agency or government employee, different rules explore. You typically must file a notice of claim with the agency within 180 days of the injury, and only after the agency denies your claim (or fails to respond within 60 days) can you file a lawsuit. The two-year statute of limitations for the actual lawsuit runs from the date of injury, but the 180-day notice requirement comes first. Missing the notice important date can bar your entire claim, even if you file the lawsuit within two years.

If you were a minor at the time of injury, the statute of limitations may be extended, but only until you turn 18. Once you reach 18, you have the standard two years to file, measured from your injury date — not from your 18th birthday.

What happens if you miss the important date

If you file a lawsuit after the two-year important date has passed, the defendant's attorney will file a motion to dismiss based on the statute of limitations. The court will almost certainly grant that motion. Your case will be dismissed, and you will have no right to recover damages through the court system. This is a complete bar to your claim — the court will not consider the merits of your case or whether you were actually injured.

Once dismissed on statute of limitations grounds, you cannot refile the same claim. The important date has passed, and filing again will result in the same dismissal. Your only remaining options depend on your specific situation: if you have an insurance claim pending, you may still pursue that through the insurance company's claims process; if you have a workers' compensation claim, that system has its own important date and procedures; or if your injury was caused by a defective product, you may have other legal theories available, though they also have their own time limits.

Why Arizona sets a two-year limit

Statutes of limitations exist to protect defendants from being sued years or decades after an event. Evidence fades, witnesses move or forget details, and memories become unreliable. A two-year window gives injured people reasonable time to investigate their claim, consult an attorney, and pursue it through the court system, while also protecting defendants from stale claims.

Arizona's two-year limit is relatively short compared to some other states. Some states allow three, four, or even six years for personal injury claims. Arizona's shorter important date means you need to act sooner rather than later if you believe you have a valid claim.

Steps to take before the important date

If you have been injured and believe someone else is responsible, do not wait until year two to consult an attorney. Gathering evidence, obtaining medical records, identifying witnesses, and investigating the incident all take time. An attorney can advise you on whether your claim is viable and what steps are necessary to preserve your rights.

You do not need to file a lawsuit when ready, but you should understand the important date and plan accordingly. Many personal injury claims are settled before trial, and settlement negotiations can take months. As long as you file the lawsuit before the two-year important date, you preserve your right to negotiate or litigate. Once the important date passes, negotiation becomes impossible because the other party knows you have no legal recourse.

Frequently Asked Questions

Does the statute of limitations start from when I discovered my injury or when it happened?

It starts from when the injury occurred, not when you discovered it. If you were injured on January 1 but did not realize it until March, your two-year important date still runs from January 1. The only exception is for latent injuries that could not reasonably have been discovered at the time, which is rare and difficult to prove.

If I settle with the other party out of court, do I still need to file a lawsuit before two years?

No. If you reach a settlement agreement before the important date, you do not need to file a lawsuit. However, the settlement must be in writing and signed by both parties. Verbal agreements or unsigned offers do not protect you if the other party changes their mind after the important date passes.

What if my injury claim is against the City of Phoenix or another government agency?

You must file a notice of claim with the agency within 180 days of the injury. This is a separate requirement from the two-year statute of limitations. If you miss the 180-day important date, your claim is barred entirely, even if you file a lawsuit within two years. After the agency denies your claim or fails to respond within 60 days, you can file a lawsuit, which must still occur within two years of the injury.

Can an attorney extend the statute of limitations important date for me?

No. An attorney cannot extend the important date, and hiring one late does not give you extra time. The important date is set by law and applies to everyone. If you hire an attorney on day 730 (the last day), they can file when ready, but they cannot ask the court for more time based on when you hired them.

What if I was a child when I was injured?

The statute of limitations is extended until you turn 18, but only to that point. Once you reach 18, you have two years from your original injury date to file — not two years from your 18th birthday. For example, if you were injured at age 10, you have until age 12 plus two years (age 20) to file, assuming the injury date was your 10th birthday.