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Who Can Sue

Bystander vs. User Fireworks Injury Cases — Who Can Sue and What Changes

Legally Reviewed by Nick Reyes, Partner, The Alvarez Law Firm · June 4, 2026

Two people standing 10 feet apart can both be hurt by the same firework but have very different cases. The person who lit the firework (the "user") and the person who was watching from nearby (the "bystander") have overlapping but distinct legal positions. Understanding the difference matters because it changes who the defendants are, what defenses apply, and how the case is structured.

Two Distinct Roles

The user is the person who handled and ignited the firework. They are usually an adult who purchased the firework, set it up, and lit the fuse. The user can be injured by a defective product even when they did everything right.

The bystander is anyone else — a family member, friend, neighbor, or stranger — who was injured by the firework without having handled it. Bystanders can be in the same yard, across the street, or even inside a structure.

What Both Cases Have in Common

Both users and bystanders can pursue product liability claims against:

The legal theories are similar — design defect, manufacturing defect, failure to warn, breach of warranty. The evidence-preservation priorities are the same.

What's Different for Users

Users typically face one challenge bystanders do not: the defense will argue user error. The firework industry routinely argues that user negligence contributed to or caused the injury — lighting in unsafe conditions, ignoring warnings, holding the firework, modifying the product, or otherwise misusing it.

The response generally has two components:

What's Different for Bystanders

Bystanders generally face fewer defenses because they did not handle the product. The defendant has to argue that the bystander was where they should not have been or otherwise contributed to the injury, which is a harder argument to make.

Bystander cases sometimes add a new defendant: the user who lit the firework. If the user's negligence contributed to the bystander's injury — for example, by lighting the firework in unsafe conditions or aiming a defective product carelessly — the user can be sued. The user's homeowner's insurance policy may respond.

Multi-Defendant Cases

Many fireworks injury cases name multiple defendants:

Multi-defendant cases identify all available insurance sources and improve the likelihood of full recovery. A free case review evaluates each potentially responsible party.

Wrongful Death from Fireworks

When a fireworks injury results in death, the family can bring a wrongful death claim plus a survival action for the deceased's pain and suffering between injury and death. State law governs these claims with the same distinctions (user vs. bystander, multi-defendant analysis) discussed above.

If You Were Injured (or Lost a Family Member)

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User or Bystander — Both Can Have Cases

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What Happens Next

If your information appears to qualify you for help, a lawyer or someone from their team will reach out to you. If you don't hear back within seven days, please speak with another law firm — every legal matter has a filing deadline, and waiting too long can cost you the right to recover.