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How to Prove Liability in a Defective Product Case

Shep Law Group Feb. 14, 2025

At Shep Law Group, we represent individuals who have suffered injuries due to defective products. Proving liability in a defective product case under Idaho law requires careful attention to the legal standards that apply. 

When a product causes harm, the injured party has the right to seek compensation under personal injury law. Our goal is to hold manufacturers, distributors, and retailers accountable when their products cause injury.

Product Liability in Idaho

Idaho law recognizes three main types of product defects that can lead to liability in a personal injury claim: design defects, manufacturing defects, and marketing defects. Each category presents different challenges in proving liability, but all require showing that the product was unreasonably dangerous when used as intended.

A design defect occurs when a product is inherently unsafe due to flaws in its design. Even if manufactured correctly, the product poses a risk to users. 

A manufacturing defect arises when a mistake during production makes a product more hazardous than intended. A marketing defect involves inadequate warnings or instructions, leading to improper use and resulting harm.

Establishing Liability for a Defective Product

To succeed in a personal injury case involving a defective product, we must establish four key elements:

  1. The product was defective: The injured party must prove that the product had a defect that made it dangerous.

  2. The defect existed when it left the defendant's control: The manufacturer or seller must have provided the product in a defective condition.

  3. The defect caused the injury: The plaintiff must show a direct link between the defect and the harm suffered.

  4. The plaintiff used the product as intended: If the injured party misused the product, it may impact liability.

Idaho follows the strict liability doctrine in defective product cases, meaning that a manufacturer or seller may be held liable even if they were not negligent. This legal principle benefits personal injury victims by allowing them to recover damages without proving fault, as long as they establish that the defect caused their injury.

Evidence in a Defective Product Case

Gathering evidence is essential to proving liability in a personal injury case. Critical pieces of evidence include:

  • The defective product itself: Retaining the product in its post-accident condition is crucial for examination.

  • Photographs and videos: Images showing the defect, injuries, and accident scene strengthen the case.

  • Medical records: Documentation of injuries provides proof of harm caused by the product.

  • Expert testimony: Engineers, medical professionals, or industry specialists may provide analysis on the product’s safety.

  • Product recalls and reports: Evidence of recalls or complaints can demonstrate prior knowledge of a defect.

Defenses in Product Liability Cases

Manufacturers and sellers often defend against personal injury claims by arguing that the product was not defective, that the user misused the product, or that the plaintiff’s own actions contributed to the injury. 

Idaho follows a comparative negligence rule, meaning that if an injured party is partially responsible for their injury, their compensation may be reduced proportionally.

A manufacturer may also claim that the plaintiff altered the product after purchase, which could absolve them of liability. In some cases, they may argue that the plaintiff assumed the risk of using a dangerous product. Overcoming these defenses requires strong evidence and persuasive legal arguments.

Idaho’s Statute of Limitations for Defective Product Cases

Idaho law imposes a time limit on filing personal injury claims. In most cases, an injured party has two years from the date of injury to file a lawsuit. If the claim is not filed within this period, the right to seek compensation may be lost. 

There are some exceptions, such as cases involving latent defects, where the injury was not immediately apparent. In those situations, the clock may start running when the injury is discovered.

Compensation for Defective Product Injuries

Victims of defective products may seek compensation for various damages, including:

  • Medical expenses: Past and future costs related to injury treatment.

  • Lost wages: Compensation for time missed from work due to injury.

  • Pain and suffering: Damages for physical and emotional distress.

  • Property damage: If the defective product caused damage beyond personal injury.

  • Punitive damages: In cases of gross negligence, additional damages may be awarded to punish the manufacturer.

Idaho does not cap most compensatory damages in personal injury cases, but punitive damages are limited. Courts may award up to three times the compensatory damages or $250,000, whichever is greater.

Steps to Take After a Defective Product Injury

If an injury occurs due to a defective product, taking immediate action strengthens the case. Seeking medical attention should be the first priority. Preserving the defective product, along with any packaging and instructions, helps establish proof of defect. 

Documenting the injury, keeping receipts, and obtaining witness statements further support a personal injury claim.

Reaching out to legal representation as soon as possible allows for a thorough evaluation of the case. At Shep Law Group, we analyze the circumstances of each injury and determine the best approach to seek justice.

Consumer Rights in Idaho

Idaho consumers have rights when it comes to defective products. State laws protect individuals from deceptive trade practices, and consumers may have additional claims beyond personal injury, such as breach of warranty or fraud. Understanding these rights can strengthen a claim and increase the likelihood of a successful outcome.

Holding Retailers Accountable

Retailers can also be held liable for selling defective products. While manufacturers are often the primary defendants in personal injury cases, Idaho law allows claims against sellers who distribute dangerous products. This expands the potential avenues for recovering damages and increases accountability throughout the supply chain.

How Insurance Affects Product Liability Cases

Insurance coverage plays a significant role in defective product claims. Manufacturers and retailers typically carry liability insurance that may cover damages. However, insurance companies often attempt to minimize payouts. 

Understanding how insurance policies apply to a personal injury claim can impact the settlement process and trial strategy.

Preventing Future Defective Product Injuries

Legal action in product liability cases not only provides compensation but also encourages safer business practices. Holding companies accountable leads to improved product testing, clearer warnings, and better consumer protections. 

By pursuing justice, injured parties contribute to the prevention of future personal injury incidents caused by defective products.

Product Recalls on Liability

Product recalls can serve as strong evidence in a personal injury case. If a manufacturer issues a recall due to safety concerns, it indicates acknowledgment of a defect. However, a recall does not automatically release a company from liability. 

Even if a recall was issued, an injured party may still have a valid claim if they were harmed before or despite the recall. Understanding the legal implications of product recalls can strengthen a case and provide additional support for seeking compensation.

Legal Options Beyond Personal Injury Claims

In addition to personal injury claims, victims of defective products may have other legal options. Class action lawsuits allow multiple plaintiffs to take collective action against a manufacturer. 

Breach of warranty claims can also be pursued if the product fails to meet promised safety or performance standards. Exploring all available legal avenues can maximize the potential for compensation and hold negligent manufacturers accountable.

Seeking Justice in a Defective Product Case

At Shep Law Group, we understand the challenges that come with proving liability in a defective product case. We’re proud to serve Boise and Meridian, Idaho, and the surrounding areas of Ada County and Canyon County. We also can handle cases sitewide. Reach out to us today to get started.