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If you were hurt in an accident in Arizona, one of the most important deadlines you need to understand is the Arizona statute of limitations for personal injury claims. Miss this deadline, and you could lose your right to compensation entirely — no matter how strong your case is. This post breaks down what the law says, which exceptions apply, and why acting quickly matters.

What Is a Statute of Limitations?

A statute of limitations is a legally enforced deadline for filing a lawsuit. Once that window closes, Arizona courts will almost certainly dismiss your case, and the at-fault party walks away without paying a dime. These deadlines exist in every state and apply to nearly every type of legal claim, including personal injury.

If you've been injured in a slip-and-fall, a dog bite, a workplace accident, or a collision, the clock starts ticking from the moment the injury occurs — and in most cases, it doesn't stop.

The Arizona Personal Injury Statute of Limitations: The Two-Year Rule

Under A.R.S. § 12-542, most personal injury claims in Arizona must be filed within two years from the date of the injury. This applies to a wide range of cases, including:

• Car and truck accidents
• Motorcycle and pedestrian accidents
• Slip-and-fall and premises liability claims
• Dog bites and animal attacks
• Assault and intentional harm
• Product liability injuries

Two years sounds like a long time, but injury claims require investigation, evidence gathering, medical documentation, and negotiation — all of which take time. Our personal injury lawyers consistently find that clients who wait too long to reach out end up with fewer options and weaker cases.

Are There Exceptions That Could Change Your Deadline?

Yes — and this is where things can get complicated. Several important exceptions exist under Arizona law that may shorten or, in limited cases, extend your filing window.

Claims Against Government Entities
If your injury involved a city bus, a pothole on a public road, or negligence by a government employee, you are not dealing with a standard two-year deadline. Under A.R.S. § 12-821.01, you must file a formal Notice of Claim with the relevant government agency within 180 days of the injury. Miss this notice requirement, and you may be permanently barred from suing — even if two years haven't passed. This shorter window catches many injured Arizonans off guard.

Injuries Involving Minors
When the injured person is under 18, the two-year clock generally does not begin to run until they turn 18, giving them until their 20th birthday to file. However, this exception does not apply to claims against government entities, so it's important to speak with an attorney about the specifics of your situation.

The Discovery Rule
In some cases — most commonly medical malpractice — an injured person may not immediately know they were harmed or that negligence caused their injury. Arizona courts may apply the "discovery rule," which starts the statute of limitations clock when the injury was discovered or reasonably should have been discovered. Medical malpractice claims are separately governed by A.R.S. § 12-542 with a two-year period from discovery, subject to an outside limit.

Wrongful Death Claims
If a loved one died as a result of someone else's negligence, Arizona's wrongful death statute (A.R.S. § 12-611 et seq.) allows eligible family members to file a claim. The standard two-year deadline generally applies, running from the date of death rather than the underlying incident.

Why You Shouldn't Wait to Contact an Attorney

Even if you believe you have time left on your deadline, waiting can seriously damage your case. Here's why:

• Evidence disappears. Surveillance footage gets overwritten, accident scenes change, and witnesses forget details.
• Medical records become harder to connect. Gaps between the accident and your treatment give insurers ammunition to argue your injuries weren't caused by the incident.
• Insurance companies use delay against you. Adjusters are trained to look for reasons to reduce or deny claims. Delay is one of their favorite arguments.
• Legal preparation takes time. A solid personal injury case requires investigation, expert consultation, and often months of negotiation before a lawsuit is even necessary.

Whether you were hit by a distracted driver or injured on someone's property, our car accident attorneys and personal injury team can evaluate your case, identify the correct deadline, and make sure your rights are protected from day one.

Arizona's Fault System and How It Affects Your Claim

Arizona follows a pure comparative fault rule under A.R.S. § 12-2505. This means that even if you were partially at fault for the accident, you can still recover compensation — but your award will be reduced by your percentage of fault. For example, if you were 20% at fault and your damages total $100,000, you could still recover $80,000. This makes it especially important to have an attorney who can build the strongest possible case on your behalf before the statute of limitations runs out.

Recent Changes to Arizona Law You Should Know About

Arizona's legal landscape for injury claims continues to evolve. If you want to stay informed about updates that could affect your rights, we recommend reading our recent post on new Arizona laws that affect injury claims. Staying current on legislative changes can make a real difference in how your case is valued and handled.

What to Do Right Now If You've Been Injured

If you or someone you love has been hurt in an accident in Arizona, here are the steps you should take as soon as possible:

• Seek medical attention immediately and keep all records
• Document the scene with photos and collect witness contact information
• Avoid giving recorded statements to insurance companies without legal advice
• Contact a personal injury attorney to understand your specific deadline and options

You can also review our practical guide on what to do after a car accident in Arizona for a step-by-step breakdown of protecting your claim from the start.

Talk to Sher Law Group Before Time Runs Out

Understanding the Arizona statute of limitations for personal injury is the first step — but knowing exactly how it applies to your unique situation requires a conversation with an experienced attorney. At Sher Law Group PLLC, we offer free consultations with no obligation, and we work on a contingency fee basis, meaning you pay nothing unless we win. Don't let a deadline cost you the compensation you deserve. Call us today at 480-418-7437 or reach out online to get started.