Can You Sue for Wrongful Death if Your Loved One Died Weeks After an Accident?

 Posted on October 21, 2026 in Wrongful Death

Losing a loved one weeks or months after an accident can leave you grieving and searching for answers. In Illinois, you can pursue a wrongful death claim even when time has passed between the accident and the death. However, the claim must show that another person’s negligence or wrongful actions led to your loved one’s death.

The time between the accident and death can make proving that connection more difficult. If you lost a family member in 2026, our Chicago personal injury lawyers can review what happened and help you understand your options for seeking compensation.

What Does Illinois Law Require for a Wrongful Death Claim?

Under 740 ILCS 180/1, the Illinois Wrongful Death Act allows a lawsuit when someone's wrongful actions or negligence cause another person's death. To bring a claim, you must show that your loved one could have filed a personal injury lawsuit if they had survived. You must also prove that the wrongful conduct caused their death.

For example, if a driver caused a serious crash and the injured person died several weeks later, the family could still have grounds for a wrongful death lawsuit.

The claim is brought by the personal representative of the estate for the benefit of the surviving spouse and next of kin. However, opening a full probate estate is not always necessary. A court can appoint a special administrator for certain wrongful death cases.

How Do You Prove an Accident Caused a Death Weeks Later in Illinois?

In Illinois, the accident must be a legal cause of the death, but it does not have to be the only cause. For example, someone injured in a car accident could develop a blood clot or infection during recovery. If the complication causes their death, the family could still have a wrongful death claim.

Medical records, surgical reports, and doctors' notes can help connect the death to the original injury. A death certificate can also provide important information. An autopsy or medical expert's opinion can help when the responsible party argues that an unrelated condition caused the death.

What Is a Survival Act Claim After an Accident in Illinois?

A wrongful death claim compensates surviving family members for their losses. A Survival Act claim seeks compensation for certain losses their loved one experienced before dying. Under 755 ILCS 5/27-6, the Illinois Survival Act allows the estate to pursue a personal injury claim that the deceased person could have brought.

For example, someone who survived a serious accident for several weeks could have experienced pain, undergone medical treatment, and missed work. Their estate could seek compensation for those losses. However, compensation for pain and suffering requires evidence that the person was conscious and experienced it. Medical records, nursing notes, and witness statements can help establish this.

The two claims also compensate different parties. Wrongful death damages benefit the surviving spouse and next of kin. Survival Act damages belong to the estate. After debts and expenses are paid, the money is distributed according to the person’s will or Illinois inheritance law."

What Compensation Can Families Recover After a Wrongful Death in Illinois?

When both wrongful death and Survival Act claims apply, compensation can cover different losses. Depending on the case, these include:

• Pain and suffering your loved one experienced before death

• Medical expenses related to their injuries

• Income your loved one lost between the accident and death

• Financial support your family lost because of the death

• The value of household services your loved one provided

• Loss of companionship, guidance, and care

• Grief, sorrow, and mental suffering of surviving family members

• Punitive damages in certain cases involving especially serious misconduct

Funeral and burial expenses can also be recovered through a separate legal claim in certain circumstances. Illinois also allows punitive damages in certain wrongful death and survival cases. However, these damages are not available in medical malpractice cases or certain claims involving government defendants.

Schedule a Free Consultation With Our Chicago, IL Wrongful Death Attorneys

Our award-winning attorneys have been fighting for accident victims since 1997. We bring decades of experience to every case we handle. When someone dies weeks or months after an accident, proving what caused the death can be difficult. We can review medical records, investigate the accident, and help your family pursue compensation through the appropriate legal claims.

Contact Winters Salzetta O'Brien & Richardson, LLC at 312-236-6324 to talk to our Chicago personal injury lawyers today.