A yellow triangular electrical warning symbol on a gray wall.

Practice Area

Failure to Warn

A product can be built correctly and designed reasonably and still be unreasonably dangerous because of what its users were not told. Texas law calls that a marketing defect, and a claim for it asks two questions: whether a warning or instruction was owed for a danger the maker knew or should have known about, and whether the warning that existed would have caught the attention of an ordinary user and told that user, understandably, what the danger was and how to avoid it. Some dangers need no warning, a warning must reach the person it protects, and a warning claim is separate from a design claim.

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Two questions: was a warning owed, and was it adequate

Texas defines a marketing defect as the failure to give adequate warnings of a product’s dangers that were known, or that should have been known through reasonably developed human skill and foresight, or the failure to give adequate instructions to avoid those dangers, where that failure made the product unreasonably dangerous as marketed. Two questions sit inside that definition. The first is whether a warning was owed at all: whether the maker or seller knew or should have known of the danger when the product left its control, judged by the knowledge available then rather than by hindsight. Whether a warning was legally required is a question the court decides.

The second is whether the warning that existed was adequate, and Texas answers that in two parts. The form of a warning must be one that could reasonably be expected to catch the attention of a reasonably prudent person in the circumstances in which the product is used. The content must be understandable to the average user and must convey a fair indication of the nature and extent of the danger and how to avoid it. A warning can fail either test: a clear sentence no one would see where it was placed, or a prominent label that does not say what the danger actually is. Instructions are judged the same way. “Failure to warn” and “marketing defect” name the same claim.

Not every danger requires a warning

There is generally no duty to warn of a danger that is common knowledge, and the measure is objective: what an ordinary user knows, not what a particular person happened to know. Common knowledge does not mean universal knowledge, and courts look at the specific risk rather than the general one; the Supreme Court of Texas has treated the general dangers of a product as commonly known while leaving open whether a specific risk from the same product was. A warning about one danger is not a warning about a different one, and a product that carries some warnings can still lack the one that mattered.

The reverse is equally true. Not every product needs a warning about every conceivable hazard. Whether a specific warning was owed for a specific risk, and what it should have said, is decided from the product, its uses, and what the maker knew, not from a list of features a label should have.

A warning is judged by whether it works

Because adequacy is about attention and understanding, the details of a warning matter: where it was placed, whether it was on the product or only in a manual, its size and durability, its signal word and any pictogram, its language, and whether it told the user what to do. No single feature decides the question. A label without a particular signal word is not automatically inadequate, and a label with every formatting convention is not automatically adequate; the question is whether a reasonably prudent user, in the circumstances of the product’s actual use, would have noticed it and understood it.

Those circumstances include how the product is actually used. A warning is evaluated against the uses the maker could anticipate, including some that it did not intend, and against the users it could anticipate, including users who will not read a manual before a product that is meant to be picked up and used. A use no maker could reasonably have foreseen stands outside that analysis, and the user’s own conduct is weighed too, because Texas compares the responsibility of everyone involved.

Who the warning must reach

The warning is owed to the person the product will endanger. When a product reaches its user through someone else, such as a workplace product supplied to an employer and used by its workers, Texas does not apply a fixed rule that the supplier may rely on the intermediary to pass the warning along. Whether the supplier acted reasonably depends on the seriousness of the risk, the likelihood that the intermediary would actually convey the warning, and whether warning the user directly was feasible and would have been effective. Hazardous chemicals are the clearest example: federal rules require the manufacturer or importer to label each shipped container and to prepare a safety data sheet, and those documents identify a substance and its hazards in a workplace chemical exposure case.

Prescription drugs, and prescription medical devices where courts have extended the rule, follow a different rule, under which the maker generally satisfies its duty by adequately warning the prescribing physician, and that rule carries its own causation requirement. A question about a drug or an implanted device is a different conversation.

If the warning was missing, would you have followed it?

A warning claim, like any product claim, has to connect the defect to the injury, and Texas law addresses the question a reader asks first: would I really have read it? When a maker fails to give an adequate warning, Texas presumes that the user would have read and heeded an adequate one had it been given. The maker can rebut that presumption with evidence about that user that predates the injury and shows the warning would have made no difference, such as evidence that the person was impaired when using the product or had disregarded the same warning before. The presumption means the injured person does not begin by proving a negative; the maker begins by having to show otherwise.

Warnings and design are different claims

An adequate warning can fully answer a claim that the maker failed to warn. It does not answer a claim that the product was defectively designed, because the Supreme Court of Texas has held that an adequate warning does not conclusively establish that a product is not defective when a safer alternative design was available; that is the design defect question. Whether one unit was built wrong is the manufacturing defect question. One product can raise all three, and which of them applies is a conclusion from the evidence rather than a starting assumption.

Nor does what the company did later decide what it owed earlier. A warning added after an injury, a recall notice, or a revised manual is not by itself proof that the original warning was inadequate, although a maker’s own written notice of a defect to its buyers can be evidence against it. A recall, an agency report, and a court’s finding of a marketing defect remain three different things.

Safety first, then the label and what the company knew

Safety comes before evidence. A smell of gas, smoke, a hissing or swelling battery, or a chemical release means everyone leaves first and calls 911 or the utility from outside. A product involved in an injury, and any remaining quantity of a chemical, fuel, or medication, is left to the fire department, a utility, hazardous-materials responders, a pharmacist, or the maker’s recall instructions, and no one tests a product to see whether its warning was right. If someone has swallowed, inhaled, or been splashed by a chemical product, Poison Help at 1-800-222-1222 or 911 comes first.

The warning record then begins with the words themselves: the label as it was on the product, the packaging, the manual, inserts, hang tags, and the version of any online instructions that existed when the product was bought, together with any photographs already taken of where the label sat on the product; if none exist, qualified people photograph it when the item is examined. The purchase date belongs in that record too, because Texas limits how long after a product was first sold a claim about it can be brought, separately from the time that runs from the injury. Qualified custodians and counsel may coordinate preservation of the product where safely possible, without delaying protective action or an applicable recall remedy; retain paperwork already safely available. Safety and recall instructions do not require permission from the firm. What the maker knew is obtained through legal process: its complaint and incident files, reports to and from federal agencies, earlier versions of its labels and manuals, the standards it followed, and the testing behind the warnings it chose.

Agency files can show what a company knew and when. Federal law requires companies to inform the Consumer Product Safety Commission when they learn that a product may present a substantial hazard, and a vehicle maker’s recall notice must describe the defect and evaluate the risk. Reports that consumers file in the Commission’s public database carry its own caution that it does not vouch for their accuracy, and they are read as leads rather than findings. Leatherwood & Schindler asks qualified custodians to preserve it where safely possible without delaying protective action or an applicable recall remedy, identifies the makers and sellers in the chain, and determines which of those records to request.

Where warning questions arise, and the first conversation

A warning question is raised wherever a product is. Equipment manuals and warnings on a worksite are raised with a third-party workplace claim; the rental briefing arises in a boating incident and the owner’s manual in a jet ski incident; an appliance’s or regulator’s instructions before a fire or explosion are a warning question; a chemical’s label and safety data sheet at work are part of a chemical exposure review; and when the failure was fatal a wrongful death claim raises the family and estate questions that follow. Burn and amputation injuries are documented as injuries, leaving the warning analysis here.

Who told you what, and where it was written, is the question Leatherwood & Schindler starts with: the label, the manual, the box, the seller’s advice, the employer’s training, or nothing at all. From there the conversation covers where the product is and who has it, what came with it, and the medical care so far, and it includes preservation by qualified custodians where safely possible without delaying protective action or an applicable recall remedy, and retention of paperwork already safely available. A consultation can begin with a photograph of the label or with the manual and packaging, without the product itself.

Questions clients often ask

Failure to Warn FAQs

There was a warning label. Can I still have a claim?

Possibly. A warning that existed is judged by whether it was adequate: whether its form would have caught the attention of a reasonably prudent user in the circumstances of the product’s use, and whether its content understandably conveyed the nature and extent of the danger and how to avoid it. A label that did not address the danger that caused the injury, or that no user would see where it was placed, can be inadequate. An adequate warning can answer a warning claim but does not by itself answer a design defect claim, which is a separate question.

Do companies have to warn about obvious dangers?

Generally not. There is no duty to warn of a danger that is common knowledge, measured by what an ordinary user knows rather than by what a particular person knew. Courts look at the specific risk, however, not the general one: that a product’s general danger is well known does not mean a particular risk from it was, and a warning about one hazard is not a warning about another. Whether a specific warning was owed is decided from the product, its uses, and what the maker knew.

I did not read the manual. Does that end my claim?

Not by itself. A warning is judged against the circumstances of the product’s actual use, including users who will not read a manual before using a product meant to be picked up and used, and a warning that appears only in a manual can be inadequate for that reason. Texas also presumes that a user would have read and followed an adequate warning had one been given, and the maker must rebut that presumption with evidence about that user from before the injury. How the product was used is still part of the review.

The warning was only in the manual, not on the product. Does that matter?

It can. The form of a warning must be one that could reasonably be expected to catch the attention of a reasonably prudent person in the circumstances of use, and where the warning appeared, how large and durable it was, and whether it was on the product itself are all considered. No single feature decides the question; a warning in a manual can be adequate for a product that is installed from the manual, and a prominent label can be inadequate if it does not say what the danger is.

I got the product at work. Is it the manufacturer’s or my employer’s job to warn me?

It can be both, and Texas has no fixed rule that a supplier may rely on an employer to pass a warning along. Whether the supplier acted reasonably depends on the seriousness of the risk, how likely the employer was to convey the warning, and whether warning workers directly was feasible and effective. Your employer’s own duties toward you are a separate workplace-injury question, and for chemicals the labels and safety data sheets are part of a chemical-exposure review.

The company added a warning after I was hurt. Does that prove the old one was inadequate?

Not by itself. What a company did later is not the measure of what it owed when the product left its control, and a later warning, revised manual, or recall does not on its own prove the original was inadequate, although a maker’s own written notice of a defect to its buyers can be evidence against it. The question is answered from what the maker knew at the time and from the warning it actually gave.

Is “failure to warn” the same as a “marketing defect”?

Yes. Texas law uses “marketing defect” for the failure to give adequate warnings of a product’s dangers that were known or should have been known, or adequate instructions to avoid them, where that failure made the product unreasonably dangerous as marketed. The claim covers instructions as well as warnings, and it is separate from a design defect and a manufacturing defect.