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Product Liability: How to Sue for a Defective Product

When a product injures you, the law may hold manufacturers, sellers, and distributors accountable.

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Product Liability: How to Sue for a Defective Product

February 20, 2026 Consumer Rights 8 min read

Every year, millions of Americans are injured by products that were improperly designed, manufactured, or labeled. From faulty car parts to dangerous medications to defective power tools, product liability law exists to hold companies accountable when their products cause harm. Unlike many other personal injury claims, product liability often does not require you to prove the company was careless — just that the product was defective and caused your injury.

The Three Types of Product Defects

Design Defect

The product was designed in a way that made it inherently dangerous, even when manufactured correctly. Example: a SUV model with a high center of gravity prone to rollover accidents.

Manufacturing Defect

The design was safe but something went wrong during production. Example: a batch of children's toys contaminated with lead paint at the factory.

Failure to Warn

The product lacked adequate instructions or warnings about known risks. Example: a medication that did not disclose dangerous drug interactions.

Legal Theories: Strict Liability vs. Negligence

Product liability cases can be brought under two primary legal theories:

Strict liability was designed to shift the cost of defective products away from innocent consumers and onto companies that profit from those products — even when the company was careful.

Who Can Be Sued

One of the strengths of product liability law is that it extends liability throughout the entire supply chain:

What You Must Prove

In a product liability case, you generally must prove four elements:

  1. The product was defective (design, manufacturing, or warning defect)
  2. The defect existed when it left the manufacturer's control
  3. You were using the product as intended (or in a reasonably foreseeable way)
  4. The defect caused your injury and resulting damages

Class Actions and Mass Torts

When a defective product injures many people in similar ways — think pharmaceutical drugs, automotive recalls, or contaminated food — individual lawsuits are often consolidated into class actions or mass tort litigation. These allow many plaintiffs to share resources, discovery, and legal arguments. Mass torts have led to some of the largest settlements in legal history, including billions of dollars from pharmaceutical companies for dangerous drug side effects. If you receive a notice about a class action involving a product you have used, pay attention — you may have a right to compensation or a deadline to opt out.

Statute of Limitations

Product liability claims have a statute of limitations — a deadline after which you cannot sue. In most states, this is 2 to 3 years from the date of injury. Some states use a "discovery rule," meaning the clock starts when you discovered or should have discovered that the product caused your injury — which matters for injuries from medications or chemicals that take years to manifest. Additionally, some states have a "statute of repose" that bars claims after a certain number of years from manufacture, regardless of when injury occurred.

Damages You Can Recover

Frequently Asked Questions

Yes — preserving the defective product is critical evidence. Do not throw it away, repair it, or alter it in any way. Store it safely and photograph it thoroughly. If the product was destroyed in an incident (such as a fire), document the scene and notify an attorney immediately. Spoliation of evidence can seriously harm your case.
It depends on your state. In comparative fault states, your damages may be reduced by your percentage of fault. For example, if you are 20% at fault, you recover 80% of your damages. In contributory negligence states (a small minority), any fault on your part could bar recovery entirely. However, misuse of a product is only a defense if it was not reasonably foreseeable — companies must design products for foreseeable misuse, not just intended use.
Yes. A product recall does not eliminate your right to sue. In fact, a recall can serve as evidence that the manufacturer knew or should have known about the defect. If you were injured before the recall was announced and followed recall instructions afterward, you can still pursue a product liability claim for injuries suffered before or during the recall process.
Most product liability attorneys work on a contingency fee basis, meaning you pay nothing upfront. The attorney takes a percentage (typically 25% to 40%) of any settlement or verdict you receive. If you lose, you owe nothing. This arrangement makes product liability cases accessible to anyone regardless of financial resources. Always confirm fee arrangements in writing before signing a retainer agreement.
The learned intermediary doctrine is a defense used by pharmaceutical and medical device manufacturers. It holds that a drug company satisfies its duty to warn by warning the prescribing physician (the "learned intermediary") rather than the patient directly. If a doctor was adequately warned about a drug's risks, the manufacturer may not be liable even if the patient was not. However, this doctrine has exceptions — including direct-to-consumer advertising — that have eroded its scope in many states.
You can, but it is more complicated. If a foreign company sells products in the U.S. market, U.S. courts may have jurisdiction. However, collecting a judgment against an overseas company can be difficult. This is one reason why product liability law extends to U.S. distributors and retailers — they provide a domestic defendant you can actually collect from. An attorney experienced in international product liability can assess the viability of your claim.

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