Illinois Personal Injury Laws 2026

The Illinois Statute of Limitations for Personal Injury

Illinois law gives injured plaintiffs two years to file a personal injury lawsuit. That deadline comes from 735 ILCS 5/13-202, which covers actions for "damages for an injury to the person" and sets a two-year period from the date the cause of action accrued. Miss it, and the defendant files a motion to dismiss — courts almost never grant exceptions.

The clock typically starts ticking on the date of the injury. A car crash on June 14, 2026 means the complaint must be filed by June 14, 2028. But "accrual" is not always straightforward. Illinois recognizes the discovery rule in latent-injury cases: the limitations period begins when the plaintiff knows or reasonably should know that an injury occurred and that it was wrongfully caused. For fraudulent concealment by the defendant, 735 ILCS 5/13-215 tolls the statute for an additional five years beyond the standard limitations period.

The One-Year Trap: Government Defendants

This is the most dangerous trap in Illinois personal injury law. When the defendant is a local government entity — the City of Chicago, Cook County, the Chicago Transit Authority, a park district, or a school district — the statute of limitations drops to one year under the Local Governmental and Governmental Employees Tort Immunity Act, 745 ILCS 10/8-101. The two-year general rule does not apply.

A CTA bus accident, a slip on a Chicago sidewalk, or a crash caused by a city-owned vehicle all trigger the one-year clock. Some attorneys additionally advise clients to send a written notice of claim early in the process, although Illinois does not technically require pre-suit notice for all government defendants the way some other states do. The practical risk of waiting is severe: a victim who treats for months and then consults an attorney after eleven months may find the window nearly closed.

Tolling for Minors and Disability

Illinois tolls the statute of limitations for plaintiffs who were minors at the time of injury. The two-year period does not begin until the minor turns 18, so a child injured at age 10 has until age 20 to file. Similar tolling applies for legally disabled plaintiffs. Tolling provisions under the Tort Immunity Act for government defendants can differ, so the government-defendant exception demands careful attention even in minor cases.

The official text of 735 ILCS 5/13-202 is available directly from the Illinois General Assembly at ilga.gov.

Illinois's Negligence Rule: Modified Comparative Fault (51% Bar)

Illinois follows modified comparative fault under 735 ILCS 5/2-1116 (as amended by Public Act 103-1053, effective December 20, 2024). The statute bars a plaintiff from recovering damages if the trier of fact finds that the plaintiff's contributory fault is more than 50% of the proximate cause of the injury. A plaintiff at 51% or more at fault recovers nothing. A plaintiff at 50% or less collects damages reduced by their percentage of fault.

The practical math is straightforward. A jury values a claim at $200,000 and finds the plaintiff 30% at fault. The plaintiff collects $140,000. The same claim, with the plaintiff found 51% at fault, yields zero. This makes the allocation of fault one of the most contested issues in Illinois personal injury litigation, particularly in multi-vehicle accidents and premises liability cases where comparative negligence defenses are routine.

The "51% bar" shorthand is technically accurate: recovery is cut off the moment fault exceeds 50%. A plaintiff found exactly 50% responsible retains the right to recover half of their proven damages — a distinction that matters in close cases at trial.

Joint and Several Liability in Illinois

Illinois retains joint and several liability for defendants whose share of the total fault reaches 25% or more. Under 735 ILCS 5/2-1117, a defendant found at least 25% at fault can be held jointly and severally liable for the plaintiff's entire compensatory damages — meaning a plaintiff can collect the full judgment from that single defendant, who then seeks contribution from the others. Defendants found less than 25% at fault are severally liable only for their proportionate share. This distinction matters considerably in cases with multiple defendants of varying culpability, particularly in Cook County where complex multi-party litigation is common.

Damage Caps in Illinois: Struck Down by the Supreme Court

Illinois has twice enacted statutory caps on damages, and the Illinois Supreme Court struck both down on constitutional grounds. Defense attorneys and insurers occasionally misrepresent the current state of Illinois law on this point — knowing the history arms plaintiffs' counsel with the correct answer.

Best v. Taylor Machine Works (1997)

In 1995, the Illinois legislature enacted Public Act 89-7, a broad tort reform package that included a $500,000 cap on non-economic damages in general personal injury cases. Two years later, in Best v. Taylor Machine Works, 179 Ill.2d 367, 689 N.E.2d 1057 (1997), the Illinois Supreme Court struck down P.A. 89-7 as unconstitutional. The court found that the non-economic damage cap violated the Illinois Constitution's prohibition on special legislation and the separation of powers doctrine. A non-severability provision in the Act took down the entire statute.

Lebron v. Gottlieb Memorial Hospital (2010)

The legislature tried again in 2005, targeting medical malpractice with caps of $500,000 per physician and $1 million per hospital on non-economic damages. On February 4, 2010, the Illinois Supreme Court issued Lebron v. Gottlieb Memorial Hospital, 237 Ill.2d 217, 930 N.E.2d 895 (2010), and struck down the medical malpractice caps on the same grounds as Best: they violated the separation of powers clause of the Illinois Constitution by usurping the judiciary's inherent power to review excessive verdicts. An inseverability clause again brought down the entire legislative package.

Lebron remains good law. The Illinois Supreme Court has not retreated from it, the legislature has not reenacted damage caps, and no enforceable statutory cap on compensatory damages exists in Illinois personal injury or medical malpractice cases as of 2026.

Punitive Damages: A Different Standard

Compensatory damages — economic and non-economic — face no statutory ceiling in Illinois. Punitive damages occupy a different category. Illinois courts require clear and convincing evidence that the defendant's conduct was willful, wanton, or showed conscious disregard for the rights and safety of others. Simple negligence does not support punitive damages; grossly reckless or intentional conduct does. No hard statutory cap applies to punitives in standard personal injury cases, but juries and trial judges exercise significant discretion, and federal constitutional due process limits govern under the U.S. Supreme Court's ratio guidance from State Farm v. Campbell (2003).

The net result for Illinois plaintiffs: if injuries are severe, the law imposes no artificial ceiling on what a jury can award for pain and suffering, disfigurement, loss of normal life, or loss of consortium. That distinguishes Illinois sharply from states like California and Texas, which maintain enforceable non-economic damage caps.

Auto Insurance and Personal Injury Claims in Illinois

Illinois is a tort, or at-fault, state. When a car accident occurs, the driver who caused the crash bears legal and financial responsibility for resulting injuries and property damage. Injured parties file claims against the at-fault driver's liability insurer — not their own insurer, as they would in a no-fault state. This gives Illinois plaintiffs access to the full range of tort damages: medical bills, lost wages, future medical expenses, pain and suffering, and more.

Current Minimum Coverage Requirements

Illinois requires every motor vehicle owner to carry minimum liability insurance of $25,000 per person / $50,000 per accident / $20,000 property damage (commonly written as 25/50/20). These are the legal floor, and they can leave seriously injured plaintiffs significantly undercompensated after high-severity crashes. A single hospitalization after a serious accident can exhaust the $25,000 per-person limit quickly.

Illinois also mandates uninsured motorist bodily injury (UM) coverage at the same 25/50 minimum. Unlike in some states, Illinois drivers cannot waive or reject UM coverage. Underinsured motorist (UIM) coverage is available but not required; given the prevalence of minimum-policy drivers on Illinois roads — Chicago has one of the higher rates of uninsured motorists among major U.S. cities — UIM coverage serves as a critical gap-filler for seriously injured claimants.

Chicago and Cook County Considerations

Cook County handles a significant share of Illinois personal injury litigation. Cook County juries have historically returned substantial verdicts in serious injury cases, a pattern that shapes settlement negotiations across the county. Chicago's dense traffic, highway conditions on I-90/I-94 and I-290, and the CTA transit system create a distinctive mix of accident fact patterns. Claims against the CTA or the City of Chicago trigger the one-year government tort immunity deadline discussed above — a consideration that arises far more frequently in Cook County than downstate.

Frequently Asked Questions