Product Liability & Defective Product Attorneys
Defective Product Law Firm Serving Clients Nationwide
Defective Product Attorneys with Simon Law
If a defective or dangerous product caused an injury to you or a loved one, we encourage you to contact Simon Law’s product liability attorneys in St. Louis. Every day, we fight for our clients against the largest companies in the world in courts across the country. We have been top-ranked by U.S. News and World Reports in Plaintiffs’ Product Liability Litigation. We are passionate about defending our clients’ rights and are prepared to provide the strategic counsel you need to recover financially after an injury.


2025 Best Law Firms® Awarded Simon Law the following rankings:
- Metropolitan Tier 1, St. Louis
- Product Liability Litigation – Plaintiffs
Liability & Defective Product Attorneys in St. Louis | Nearly $2 Billion in Verdicts and Settlements in a Recent 20 Months
What is Product Liability?
Any company that designs, manufactures, sells, or distributes a dangerous product could potentially be held liable if the product causes or contributes to a person’s injury or wrongful death. A company may be held strictly liable, meaning they do not even have to be negligent if the product that injured or killed someone was in a defective condition and unreasonably dangerous when put to its reasonably anticipated use. That essentially means that the product had a risk of hurting someone even when used as expected.
Liability can result from three different types of flaws:
- Design flaws– Part of the design of the product is inherently dangerous (such as a toy that is easily broken into small parts, presenting a choking hazard)
- Manufacturing flaws– The defect arose from a mistake while the product was being made (for example, if the product was manufactured using substandard materials)
- Marketing flaws– The company failed to provide a sufficient warning of the risks associated with a product’s use (for example, a toxic chemical product that does not contain adequate information and precautions on how to use it safely)
Who is Responsible for a Defective Product?
Product liability cases involve what is known as the chain of distribution, starting from the product’s manufacturer to the retailer that puts it on their shelves for customers to purchase. As such, one or even all parties in the chain may be liable for a defective, injury-causing product.
Manufacturer Liability
If manufacturing a defective product involves multiple manufacturers, both may be legally liable. For example, suppose the defective part in a product came from another manufacturer and was sold to the manufacturer of the whole product, including the defective part. In that case, they may both be held responsible.
Retailer Liability
The product retailer may also be liable for selling you the product even though they did not manufacture it. You don’t need to have been the buyer of the product for you to sue the retailer. If someone purchased a defective product for you, you used it and suffered an injury, you may still name them as a defendant.
Wholesaler Liability
Additionally, a middleman, or a wholesaler, exists between the manufacturer and the retailer, from which the retailer procures the product. They may also be named as a defendant when you file a lawsuit. Any one of these, or all, could be liable. Identifying as many responsible parties as possible is more beneficial since it will better ensure that at least one will pay out, even if not all can.
Common Questions About Product Liability
What is product liability?
Product liability is the area of law that holds companies responsible when a defective or dangerous product injures or kills someone. In Missouri, the company can be held strictly liable, meaning you do not have to prove they were negligent. If the product was in a defective condition and unreasonably dangerous when used as reasonably anticipated, the designer, manufacturer, distributor, or retailer can be responsible for the harm it caused.
What are the three types of product defects?
Design defects (the product is inherently dangerous by design), manufacturing defects (something went wrong during production, such as substandard materials), and marketing defects (inadequate warnings or instructions about the product’s risks). A single product can involve more than one type of defect, and identifying which applies determines which parties in the chain of distribution can be held liable.
Who can be held liable for a defective product in Missouri?
Potentially every party in the chain of distribution: the manufacturer, the wholesaler, and the retailer. You do not even need to have purchased the product yourself. If someone bought a defective product for you and you were injured using it, you may still have a claim. Identifying every responsible party matters because it increases the sources of compensation available for your injuries.
How long do I have to file a product liability claim in Missouri?
Generally five years from the date of injury under Missouri’s statute of limitations for injury claims. However, when a defect’s harm takes years to appear, which is common with toxic exposure and medical devices, the discovery rule may affect when the clock starts. Because product cases also involve preserving physical evidence, contacting an attorney promptly after a suspected product injury is critical.
Can I sue for punitive damages in a product liability case?
Yes, in some Missouri product liability cases. Punitive damages are reserved for situations where a company’s conduct showed complete indifference to or conscious disregard for the safety of others, for example when a manufacturer knew of a dangerous defect and continued selling the product anyway. They are awarded in addition to compensatory damages and are one reason corporate defendants take well-prepared product cases seriously.
Do product liability cases go to trial?
Most resolve in settlement, but product liability cases are tried more often than most personal injury claims. Manufacturers and their insurers fight aggressively to avoid setting precedents. The credibility of your law firm’s trial record directly affects settlement value: companies pay more when they know the alternative is a courtroom. Simon Law’s attorneys have secured some of the largest product liability verdicts in Missouri history, including a $745 million verdict.
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