What is strict liability?

Where it applies

• Defective products. A manufacturer, distributor or retailer can be liable for a design defect, a manufacturing defect or a failure to warn — even if the company took every reasonable precaution.
• Abnormally dangerous activities. Blasting, storing explosives, some uses of hazardous chemicals, crop dusting in some states. The activity is lawful; the cost of the rare accident still falls on whoever chose to run it.
• Animals. Roughly two thirds of states have a strict-liability dog-bite statute. The rest still use a version of the “one bite” rule, where the owner is liable once they know the animal is dangerous. Owners of wild animals kept as pets are strictly liable almost everywhere.

The three kinds of product defect

Manufacturing defects are one-off failures: this particular ladder had a cracked rivet that the others on the shelf did not. Design defects affect the whole product line — an SUV that rolls over too easily, a space heater with no tip-over shutoff. Most states ask whether a reasonable, safer alternative design was available, or whether the product was more dangerous than an ordinary consumer would expect. Warning defects are about missing or inadequate instructions: a medication label that omits a known interaction, a power tool with no warning about kickback.

Why the rule exists

A buyer cannot inspect the inside of an airbag, and a neighbor cannot audit a quarry's safety procedures. Strict liability puts the risk on the party that created it, which can spread the cost through pricing and insurance and is best placed to make the product safer. It also saves the injured person from having to reconstruct what happened on a factory floor years earlier.

Who can be sued

Usually everyone in the chain of distribution: the maker of the finished product, the maker of a defective component, the distributor and the retailer. Some states protect retailers who merely sold a sealed product, as long as the manufacturer can be sued. Sellers of used goods and service providers are often outside strict liability, although ordinary negligence may still apply to them.

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What still has to be proved

Strict does not mean automatic. In a product case you must show that the product was defective when it left the defendant's hands, that you used it in a reasonably foreseeable way, and that the defect caused your injury. Substantial alteration of the product, or a use nobody could have predicted, remains a real defense. Many states also reduce the award if the injured person's own carelessness contributed, under comparative-fault rules.

Strict liability vs. negligence

In a negligence case the question is whether the defendant behaved reasonably. In a strict liability case it is whether the product or activity was what it should have been. The practical difference is proof: you do not need internal company documents showing someone cut corners. Lawyers often plead both theories anyway, together with breach of warranty, because each has slightly different rules on deadlines and defenses.

Deadlines that catch people out

Two clocks run in product cases. The ordinary statute of limitations starts when you are injured or reasonably discover the injury, commonly two to four years. A statute of repose, which exists in many states, cuts off claims a fixed number of years after the product was first sold — often eight to twelve — regardless of when the harm appeared.

If a product hurt you

Keep the product, its packaging, the manual and the receipt, and do not send it back to the company or throw it away — the item is usually the most important evidence in the case. Photograph it and your injuries, write down how it was being used, check for recalls on the CPSC, NHTSA or FDA websites, and speak to a products liability lawyer. Most work on contingency.

Recalls and your claim

A recall helps a claim but is not required for one. It shows the company knew about a problem, and recall notices often describe the defect in useful detail. But many dangerous products are never recalled, and accepting a recall remedy — a refund or a repair kit — does not waive a claim for an injury the product already caused.