KEY TAKEAWAYS:
South Carolina product liability claims generally fall into one of three categories — manufacturing defects, design defects, and warning defects — each requiring different evidence to prove. A single defective product can involve more than one type of defect at once, and South Carolina's strict liability statute generally does not require proof that the seller was careless, but the claimant still must prove the statutory elements, including a defective and unreasonably dangerous condition and causation. Preserving the product itself, along with its packaging and any broken parts, is often an important step after an injury involving a potentially defective product.
A tire blows out on the highway, causing a serious crash. A ladder collapses under normal use. A space heater catches fire without ever being misused. Each of these situations could potentially support a product liability claim, but the legal theory behind each one is different, because South Carolina recognizes three distinct types of product defects, and identifying which one applies shapes the entire case.
At Derrick Law Firm Injury Lawyers, our attorneys are available to evaluate defective product cases connected to vehicles, boats, workplace equipment, and everyday consumer goods across South Carolina. Sorting a case into the correct defect category early, rather than after months of investigation, could affect which evidence matters most and which experts the claim might need.
Table of Contents
What Are the Three Types of Product Defects?
South Carolina courts recognize manufacturing defects, design defects, and warning defects, sometimes called marketing defects, as three types of product defects. South Carolina's products liability statute, holds a seller strictly liable for a product sold in a defective condition unreasonably dangerous to the user when certain statutory requirements are met. Every defective product claim generally fits into one, or sometimes more than one, of these three categories.
Manufacturing Defects
A manufacturing defect occurs when a specific product leaves the factory floor in a condition that differs from its intended design, even though the design itself was sound. The product was supposed to be built one way, and this particular unit was not. A batch of bicycle helmets missing a layer of protective foam, or a single car with a steering component that was improperly welded, are both manufacturing defect scenarios.
Manufacturing defect cases often turn on comparing the defective unit to how the product was supposed to be built. Evidence frequently includes the manufacturer's own specifications, quality control records, and a direct physical or forensic examination of the product that caused the injury.
Design Defects
A design defect exists when the product was built exactly as intended, but the design itself makes the product unreasonably dangerous. Unlike a manufacturing defect, a design defect can affect every unit manufactured to that design, not just one flawed piece. A riding lawn mower with no safety cutoff switch, or a space heater with no automatic shutoff when tipped over, could present design-defect issues, since the danger exists in every unit built to that specification.
South Carolina applies a risk-utility test to design defect claims, established in cases including Branham v. Ford Motor Co., which weighs the product's risks against its benefits and requires the plaintiff to present evidence of a reasonable alternative design. In practical terms, this usually means showing that a safer design was available, was practical to implement, and would not have prevented the product from being unreasonably dangerous. In evaluating a proposed alternative design, relevant considerations may include the following:
- Whether other manufacturers of similar products used a safer design at the time;
- Whether the safer design would have added significant cost or reduced the product's function;
- Whether industry standards or government regulations addressed the design or relevant safety issue.
Warning Defect
A warning defect, sometimes called a marketing defect or failure to warn, involves a product that is reasonably safe when used with proper instructions or warnings, but the manufacturer failed to provide adequate warnings or instructions about a material danger associated with the product. The product itself is not necessarily flawed. The claim may involve information alleged to be missing, unclear, or inadequately communicated to the user.
Common warning defect scenarios may include medications that lack adequate warnings about a serious side effect, power tools without adequate warnings about kickback risk, or chemical products with unclear instructions about ventilation. South Carolina courts have noted that adequate warnings can sometimes affect whether a related design defect claim succeeds, since a product's overall safety often depends on both its design and the instructions that accompany it.
Can More Than One Type of Defect Apply to the Same Product?
Yes. A single defective product can involve more than one type of defect at the same time. A defective truck component might have a design that was already marginal, combined with a manufacturing flaw that made an individual unit even weaker, and inadequate warnings about how to inspect the part for wear. Claims involving boat and jet ski equipment failures may raise more than one defect theory as well, particularly when a mechanical failure combines with unclear operating instructions.
Why Does the Type of Defect Matter to Your Claim?
South Carolina's products liability statute may impose strict liability on a seller of a product in a defective condition unreasonably dangerous to the user, meaning a claimant generally does not need to prove the seller was careless. The claimant must still establish the requirements of the applicable strict liability claim, including that the product was in a defective condition unreasonably dangerous to the user and that the condition caused the injury. But the proof needed to establish that a defect exists looks different depending on which category applies. A manufacturing defect claim usually centers on one physical unit. A design defect claim usually requires comparing the product to feasible alternatives across the entire product line. A warning defect claim usually centers on what the manufacturer knew and what risks were associated with the product and what warnings or instructions were provided to the user.
Cases involving defective equipment in a workplace setting often raise this question directly, since a machine that malfunctions could reflect a manufacturing flaw in that specific unit, a design that was unsafe from the start, or missing warnings about a known hazard. DeShawn Mitchell, whose background includes defending automotive product liability claims before joining Derrick Law Firm Injury Lawyers, brings that manufacturer-side perspective to how our attorneys anticipate defenses in each type of case.
What Should You Preserve if You Suspect a Defective Product Caused Your Injury?
Whatever category a defect ultimately falls into, the product itself is usually a vital piece of evidence in the case, particularly in injuries as serious as a traumatic brain injury caused by a failing product. A few steps early on can preserve that evidence before it is lost:
- Keep the item exactly as it was at the time of the incident, including any packaging, instructions, or parts that broke off
- Avoid attempting repairs, and if the product is part of a workplace incident, ask that it be secured rather than returned to service
- Photograph the scene and the product from multiple angles before anything is moved, when safely and reasonably possible
- Note the product's brand, model, and any visible serial or lot numbers, which can help identify whether other units have been recalled or involved in similar incidents
Alongside identifying the type of defect, proving that the defect actually caused the injury becomes the next step in building the claim.
