2 Sep, 2026

What if the Other Driver’s Insurance Denied My Claim?

Author Todd A. Strong
Man reporting and insurance agent filling claim form near broken car outdoors.

If the other driver’s insurance denies your claim after an Illinois car accident, the denial does not necessarily mean you cannot recover compensation. The insurer may dispute who caused the crash, question whether your injuries resulted from the accident, argue that its policy does not provide coverage, or claim that you have not provided enough evidence. Your next step depends on the reason given for the denial.

The most important thing is not to treat the insurance company’s decision as the final word on fault or your right to compensation. You may be able to provide additional evidence, challenge the insurer’s liability determination, seek coverage under your own policy, or pursue a personal injury lawsuit against the at-fault driver.

Man reporting and insurance agent filling claim form near broken car outdoors.
Table of Contents

    Key Takeaways

    • The other driver's insurance company can deny your claim even when you believe its insured clearly caused the accident.
    • A denial letter should explain why the insurer is refusing payment.
    • Common reasons include disputed fault, insufficient evidence, coverage problems, and disputes about whether the crash caused your injuries.
    • Additional evidence may cause an insurer to reconsider its decision.
    • Illinois uses modified comparative negligence, so sharing some fault does not automatically prevent recovery.
    • Depending on your coverage, your own auto insurance may provide another source of compensation.
    • You may still be able to sue the at-fault driver even if the driver's insurance company refuses to pay your claim.

    Why Would the Other Driver’s Insurance Deny Your Claim?

    Insurance companies investigate claims before deciding whether their insured is legally responsible and whether the policy covers the loss. A denial can therefore arise from a dispute over the accident itself or from an issue with the insurance policy.

    Common reasons for denial include:

    • The insurer believes you caused the accident.
    • The insurer argues that you share too much responsibility for the crash.
    • There is insufficient evidence showing how the collision occurred.
    • The other driver's policy was not active on the accident date.
    • The insurer claims the driver or vehicle was excluded from coverage.
    • The company disputes whether your injuries were caused by the crash.
    • Medical documentation does not adequately support the injuries claimed.
    • The insurer believes your losses fall outside the available coverage.

    Do not rely solely on a telephone conversation with an adjuster to understand what happened. Review the insurer's written explanation carefully so you know exactly what issue needs to be addressed.

    What Should You Do After the Other Driver’s Insurance Denies Your Claim?

    The first step is to determine why the claim was denied. Your response should address the insurer's stated reason rather than simply repeating that the other driver caused the accident.

    Review the Denial Letter

    Read the denial carefully. Identify whether the dispute concerns liability, coverage, your injuries, or the evidence supporting your damages.

    For example, a denial based on insufficient evidence requires a different response from one based on a lapsed insurance policy.

    Gather Evidence That Addresses the Denial

    Evidence can be particularly important when the insurer disputes fault. Depending on the circumstances, useful evidence may include:

    • The police report
    • Photographs of the accident scene and vehicle damage
    • Video or dashcam footage
    • Witness statements
    • Medical records
    • Repair estimates
    • Cell phone or other records when relevant
    • Evidence showing the location and movement of the vehicles

    If you are unsure what evidence insurers normally review, understanding the insurance claim process for car accidents can help you identify information that may be missing from your claim.

    Avoid Giving the Insurer Unnecessary Statements

    An insurance adjuster may ask questions about the collision, your injuries, or your recovery. Be accurate, but do not guess about details you do not know.

    Statements made shortly after an accident can later be compared with medical records, witness accounts, and other evidence. An inaccurate estimate of speed, distance, pain, or another detail can create an unnecessary dispute.

    What If You Were Partly at Fault for the Accident?

    The other driver's insurance company may deny or reduce your claim by arguing that your own actions contributed to the collision.

    Illinois follows a modified comparative negligence rule. If your contributory fault is more than 50% of the proximate cause of your injury, you generally cannot recover damages. If your fault is 50% or less, your damages can generally be reduced according to your percentage of responsibility.

    For example, if your damages total $100,000 and you are found 20% responsible, your recovery would generally be reduced to $80,000.

    An insurer's decision to assign you a percentage of fault does not by itself determine your legal responsibility. Evidence may support a different allocation. Establishing the facts needed to determine fault in car accidents can therefore become central to challenging a liability denial.

    What If the Other Driver Had No Valid Insurance Coverage?

    Sometimes the insurer is not denying that an accident happened or even disputing fault. Instead, it may claim that no applicable policy covered the driver or vehicle when the collision occurred.

    Possible coverage issues include a canceled or expired policy, an excluded driver, or another policy limitation.

    A coverage denial does not make your injuries or financial losses disappear. It changes which sources of compensation should be investigated.

    If the at-fault driver was underinsured or uninsured, coverage available through your own auto policy may become important.

    Can You Challenge a Denied Car Accident Claim?

    A denial may be challenged when evidence does not support the insurer's stated reason.

    For example, if the insurer says there is insufficient evidence that its driver caused the crash, additional photographs, witness testimony, or video may address that problem. If the dispute concerns your injuries, medical records may help establish when symptoms began, what conditions were diagnosed, and what treatment was required.

    When making third-party claims, remember that the other driver's insurer is evaluating whether its policyholder is legally responsible. A denial is the company's position on the claim. It is not a court judgment deciding your rights.

    Can You File a Claim With Your Own Insurance Company?

    Your own coverage may become relevant when the at-fault driver has no insurance, insufficient insurance, or when other first-party benefits apply. The precise coverage depends on the policy you purchased and the facts of the accident.

    Using your own available coverage does not necessarily mean you are admitting fault for the collision. Review your policy and any correspondence from your insurer carefully. Coverage requirements, deductibles, limits, and procedures can differ depending on the type of claim.

    Can You Sue the Other Driver After Their Insurance Denies Your Claim?

    This is one of the most important points to understand when the other driver's insurance denies your claim.

    Your underlying personal injury claim is generally based on the at-fault driver's conduct. Liability insurance may provide money to satisfy covered claims against that driver, but the insurance company's refusal to voluntarily pay does not necessarily eliminate the driver's legal liability.

    If negligence caused the crash, you may be able to file a personal injury lawsuit against the responsible driver. Negligence can include conduct such as speeding, failing to yield, following too closely, distracted driving, or violating other traffic safety rules.

    A car accident lawyer can investigate the denial, evaluate the available evidence, determine what insurance coverage may apply, and assess whether filing a lawsuit is appropriate.

    Does an Insurance Denial Mean Your Claim Is Over?

    An insurance denial is a significant development, but it is not automatically the end of your case.

    What happens next depends on why the claim was denied and what the evidence shows. You may need to correct missing information, present stronger evidence of fault, document the connection between the accident and your injuries, investigate other insurance coverage, or pursue the responsible driver through litigation.

    The strongest response to a denied claim is one directed at the actual reason for denial. If liability is disputed, focus on evidence of fault. If injuries are disputed, focus on medical evidence and causation. If coverage is disputed, determine whether another policy or responsible party may apply.

    When the other driver's insurance denies your claim, you still may have options for recovering medical expenses, lost income, pain and suffering, property losses, and other damages caused by the accident. The denial should be evaluated against the evidence and Illinois law rather than accepted as a final determination of your rights. For help, call Strong Law Offices and consult with a car accident lawyer. 309-393-2928

    About The Author

    Todd Strong
    Personal Injury Lawyer Todd A. Strong Illinois workers’ compensation and personal injury lawyer Todd A. Strong is the founder of Strong Law Offices in Peoria, Illinois. Todd brings considerable legal knowledge, experience, and skill to the table to ensure injured victims throughout the state are treated with respect, dignity, and fairness.
    Years of Experience: More than 20 years
    Illinois Registration Status: Active
    Bar & Court Admissions: Illinois State, 1994
    U.S. District Court, Central District of Illinois, 1994
    U.S. District Court, Northern District of Illinois, 2022
    U.S. District Court, Southern District of Illinois, 2023
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    About The Author

    Todd Strong
    Personal Injury Lawyer Todd A. Strong Illinois workers’ compensation and personal injury lawyer Todd A. Strong is the founder of Strong Law Offices in Peoria, Illinois. Todd brings considerable legal knowledge, experience, and skill to the table to ensure injured victims throughout the state are treated with respect, dignity, and fairness.
    Years of Experience: More than 20 years
    Illinois Registration Status: Active
    Bar & Court Admissions: Illinois State, 1994
    U.S. District Court, Central District of Illinois, 1994
    U.S. District Court, Northern District of Illinois, 2022
    U.S. District Court, Southern District of Illinois, 2023