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Strict liability is a legal rule that can make someone responsible for an injury without requiring the injured person to prove ordinary negligence.
In Illinois, strict liability is especially important in certain defective product cases. It can also arise under statutes governing animal attacks. The focus is usually less on whether the defendant acted carelessly and more on whether the legal requirements for liability are satisfied.
That does not mean strict liability creates automatic compensation. You still need evidence connecting the dangerous product, animal, or other covered condition to your injuries and losses.
If you were seriously injured in Chicago and believe strict liability may apply, Conboy Law can investigate the facts and determine which legal theories may support your claim. Call 312-726-9000 for a free consultation.
Your best move is calling us today.
What Does Strict Liability Mean?
Most personal injury claims are based on negligence. Negligence generally asks whether someone failed to use reasonable care.
Strict liability is different.
In a strict liability claim, the injured person may not have to prove that the defendant was careless in the traditional sense. Instead, the claim focuses on whether specific facts triggering liability existed.
For example, in an Illinois strict product liability case, the central questions may include whether:
- The product contained a dangerous defect
- The defect existed when it left the defendant's control
- The condition made the product unreasonably dangerous
- The defect caused the plaintiff's injury
Illinois' civil jury instructions expressly recognize strict product liability and focus on the defective condition of the product and whether it proximately caused the injury.
What Is the Difference Between Strict Liability and Negligence?
The biggest difference is what the injured person must prove.
Negligence
A negligence claim usually requires proof that:
- The defendant owed a duty of care.
- The defendant breached that duty.
- The breach caused the injury.
- The plaintiff suffered damages.
This often means examining what the defendant did or failed to do.
Strict Liability
Strict liability can eliminate the need to prove that the defendant failed to exercise reasonable care. Instead, liability may depend on the condition of a product, statutory requirements, or another legally defined circumstance.
For example, a manufacturer may argue that it used extensive safety procedures during production. In a strict product liability case, that does not necessarily end the claim if the finished product was still unreasonably dangerous when it left the defendant's control.
Illinois courts maintain a separate set of pattern jury instructions specifically for strict product liability.
When Does Strict Liability Apply in Illinois?
Strict liability does not apply to every personal injury case.
Two important areas are:
- Defective products
- Certain animal attacks or injuries
Other specialized legal doctrines may also impose liability without ordinary negligence in limited circumstances, but product liability is one of the most common personal injury examples.
How Does Strict Product Liability Work in Illinois?
Illinois recognizes strict liability claims involving defective products.
The plaintiff generally needs to establish that the product was defective in a way that made it unreasonably dangerous, that the condition existed when the product left the defendant's control, and that the condition caused the injury.
This allows a person injured by a defective product to focus on the product itself rather than proving exactly how a manufacturer was careless. That can matter when the injured consumer has no practical way to know what happened inside a factory, engineering department, or production process.
What Types of Product Defects Can Lead to Strict Liability?
Defective product claims generally involve several categories.
Manufacturing Defects
A manufacturing defect occurs when something goes wrong while the product is being made or assembled.
Examples may include:
- A cracked component
- Improper assembly
- Contaminated materials
- Incorrect wiring
- Defective fasteners
- A faulty part installed during production
The product may have been safely designed but became dangerous because the individual unit was manufactured incorrectly.
Design Defects
A design defect affects the product's underlying design rather than one isolated unit.
Examples could include a machine that lacks adequate protection against foreseeable hazards or a consumer product whose design creates an unreasonable risk during ordinary use.
Design defect cases frequently require engineering or other expert analysis.
Warning or Instruction Defects
A product can also be dangerous because the warnings or instructions are inadequate. The issue may be whether users were properly informed about a significant danger associated with using the product.
Illinois' statutory definition of a product liability action expressly includes allegations involving design, manufacturing, packaging, labeling, warnings, instructions, repair, and maintenance.
What Products Can Be Involved in a Strict Liability Claim?
Almost any tangible product placed into commerce can potentially become the subject of a product liability claim.
Examples include:
- Vehicle parts
- Tires
- Brakes
- Airbags
- Power tools
- Industrial machinery
- Household appliances
- Electronics
- Medical devices
- Children's products
- Safety equipment
- Consumer goods
Illinois defines a product broadly as a tangible object or goods distributed in commerce, including certain services connected with that product.
Who Can Be Liable for a Defective Product?
Potential defendants can include parties involved in placing the product into the stream of commerce.
Illinois law defines a “seller” broadly to include businesses that may:
- Manufacture
- Produce
- Assemble
- Install
- Distribute
- Lease
- Package
- Label
- Market
- Repair
- Maintain
- Sell the product
However, Illinois also has specific rules governing claims against non-manufacturing sellers.
Under 735 ILCS 5/2-621, certain non-manufacturer defendants may identify the product's manufacturer and seek dismissal of a strict liability claim unless an exception applies, such as significant control over the product, actual knowledge of the defect, or creation of the defect.
That makes identifying the proper defendants especially important.
Do You Have to Prove the Manufacturer Knew About the Defect?
Not necessarily in a strict liability claim. That is one of the major differences between strict liability and negligence.
The focus can be on whether the product was unreasonably dangerous and caused the injury, not whether the manufacturer knew it was defective or failed to behave carefully.
However, evidence about what a manufacturer knew can still matter for:
- Other legal theories
- Failure-to-warn claims
- Punitive damages in appropriate cases
- Defenses
- Settlement negotiations
A defective product case may include several legal theories at the same time, such as strict liability, negligence, and breach of warranty.
Does Strict Liability Mean You Automatically Win?
No. “Strict” does not mean “automatic.”
The plaintiff still has to prove the required elements.
In a product case, the defendant may dispute:
- Whether the product was actually defective
- Whether it was unreasonably dangerous
- Whether the defect existed when it left the defendant's control
- Whether the product was altered later
- Whether it was being used in a foreseeable way
- Whether the defect actually caused the injury
- The extent of the claimed damages
Expert testimony is often important because product cases can involve engineering, manufacturing, medical, scientific, or technical issues.
Why Should You Preserve a Defective Product?
If a product injured you, do not throw it away, repair it, return it, or alter it if it can safely be preserved.
The actual product can become some of the most important evidence in the case.
A product expert may need to examine:
- Broken components
- Manufacturing defects
- Design features
- Safety guards
- Warning labels
- Serial numbers
- Signs of failure
- Alterations or prior repairs
Also preserve:
- Packaging
- Instructions
- Receipts
- Photographs
- Warranty information
- Model and serial numbers
- Repair records
Losing or changing the product can make it much harder to determine why it failed.
Does Strict Liability Apply to Dog Bites in Illinois?
Illinois law also creates a strong liability rule for animal attacks.
Under 510 ILCS 5/16, if a dog or other animal, without provocation, attacks, attempts to attack, or injures someone who is peaceably conducting themselves in a place where they are legally allowed to be, the animal's owner is liable for the full amount of the injury proximately caused.
This means the injured person generally does not need to prove that the owner already knew the animal was dangerous.
That is different from the traditional “one-bite rule” associated with some other jurisdictions.
However, the injured person still has to establish the statutory requirements, including lack of provocation and lawful presence.
Is Strict Liability the Same as Absolute Liability?
Not exactly. Strict liability removes or reduces the need to prove ordinary negligence, but defenses and other legal requirements may still apply.
For example, in a product liability case, the defendant may argue that:
- The product was substantially altered
- The defect did not exist when the product left its control
- The plaintiff knowingly assumed a particular risk
- Another cause produced the injury
- The product was not unreasonably dangerous
Illinois' strict product liability jury instructions specifically account for defenses involving assumption of risk. So strict liability should not be understood as liability under every possible circumstance.
What Compensation Can Be Available in a Strict Liability Case?
If strict liability is established, compensation may potentially include:
- Medical expenses
- Future medical treatment
- Lost wages
- Reduced earning capacity
- Pain and suffering
- Disability
- Disfigurement
- Property damage
- Other proven losses
The damages depend on the injury and evidence.
A defective appliance causing a minor burn will be evaluated very differently from a defective vehicle component causing permanent paralysis or wrongful death.
How Long Do You Have to File a Strict Product Liability Lawsuit in Illinois?
Product liability claims can involve both a statute of limitations and a statute of repose.
Illinois law generally provides an outside time limit for strict product liability cases of the earlier of:
- 12 years after the first sale, lease, or delivery by a seller, or
- 10 years after the first sale, lease, or delivery to the initial user, consumer, or other non-seller
Exceptions can apply, including situations involving longer express warranties and certain later alterations.
Separate statutes of limitation can also apply based on when the injury occurred. Because product cases can involve several overlapping deadlines, do not rely on the general two-year personal injury rule alone.
What Should You Do After Being Injured by a Defective Product?
If possible:
- Get appropriate medical treatment
- Preserve the product exactly as it is
- Keep the packaging and instructions
- Photograph the product and injury
- Save receipts and proof of purchase
- Keep repair and maintenance records
- Identify the model and serial number
- Do not return the product to the manufacturer without legal advice
- Keep medical records and bills
- Avoid posting detailed statements about the incident online
- Speak with an attorney before signing a release
Early preservation matters because the physical product itself may be central to proving the claim.
Frequently Asked Questions (FAQs)
Strict liability means a defendant may be legally responsible even when the injured person does not have to prove ordinary negligence.
No. Product liability is a major example, but Illinois law also imposes statutory liability in certain animal attack cases.
Not necessarily in a strict product liability case. The focus is generally on whether the product was defective, unreasonably dangerous, and caused the injury.
Potentially, but Illinois has special rules allowing some non-manufacturer sellers to identify the manufacturer and seek dismissal unless statutory exceptions apply.
Potentially, yes. A company's careful procedures do not necessarily defeat a strict product liability claim if the product was still unreasonably dangerous when it left the defendant's control.
Talk to Conboy Law About a Strict Liability Claim
Strict liability can make it possible to pursue compensation without proving ordinary negligence, but the injured person still needs strong evidence showing that the legal requirements are satisfied.
Conboy Law handles serious personal injury cases, including product liability matters, and founding attorney Joseph Conboy has obtained multiple multi-million-dollar results in product liability and other injury cases.
If a defective product, animal attack, or another potentially strict-liability situation caused you serious harm in Chicago, call Conboy Law at 312-726-9000 for a free consultation.
Joseph M. Conboy is the founding attorney of Conboy Law and represents victims and families in serious personal injury, medical malpractice, and wrongful death cases throughout Illinois. He has obtained numerous multi-million-dollar results and has been recognized by Super Lawyers as a Rising Star. As the firm’s primary litigator, he works closely with clients to build strategies tailored to the facts of each case.
