What Is a Third-Party Work Injury Claim?
A third-party claim is a personal injury lawsuit filed against someone other than your employer who contributed to your work injury. Workers’ compensation covers injuries caused by your employer or coworkers. A third-party claim targets outside parties — contractors, property owners, equipment manufacturers, or other companies — whose negligence caused or contributed to your injury.
Here is why this matters: workers’ compensation benefits are capped by Illinois law. They cover your medical bills, a portion of your lost wages, and a settlement for permanent disability — but they do not cover pain and suffering, full lost wages, or other damages that a personal injury lawsuit can recover. A third-party claim can fill that gap significantly.
Important: filing a workers’ comp claim does NOT prevent you from filing a third-party lawsuit. In Illinois, you can — and often should — pursue both simultaneously.
When Does a Third-Party Claim Exist?
Third-party claims arise when someone other than your employer contributed to your injury. Common scenarios in Chicago and Cook County include:
- Construction site accidents involving multiple contractors. General contractors, subcontractors, and property owners all have independent safety obligations. When any of them creates a dangerous condition that injures you, you may have a claim against them in addition to your workers’ comp case.
- Defective machinery or equipment. If a machine, tool, or piece of equipment that caused your injury was defectively designed or manufactured, the manufacturer can be held liable in a product liability lawsuit separate from workers’ comp.
- Delivery driver and vehicle accidents. If you were injured in a vehicle accident while working — whether as a driver or a pedestrian on a job site — and another driver was at fault, that driver and their insurance can be pursued in a separate lawsuit.
- Negligent property owners. If you were injured on property owned by someone other than your employer due to unsafe conditions, the property owner may be liable for a third-party premises liability claim.
- Toxic exposure from third-party products. If industrial chemicals, cleaning agents, or other products manufactured by a third party caused your injury or illness, the manufacturer may bear liability independent of your workers’ comp claim.
What Can You Recover in a Third-Party Claim?
This is where third-party claims become particularly powerful. Unlike workers’ compensation, a third-party lawsuit can recover:
- Full lost wages — not just the two-thirds covered by workers’ comp TTD
- Pain and suffering damages
- Loss of enjoyment of life
- Emotional distress
- Full medical costs, both past and future
- Punitive damages in cases of egregious negligence
In many serious injury cases, the third-party lawsuit ultimately recovers more than the workers’ comp claim. Our attorneys identify every available source of recovery and pursue all of them on your behalf.
How Illinois Law Handles Both Claims Simultaneously
Illinois law allows you to collect both workers’ compensation benefits and a third-party settlement or judgment, with one important rule: your employer’s workers’ comp insurer has a lien on your third-party recovery. This means they may be entitled to reimbursement from your third-party settlement for the benefits they paid. Our attorneys negotiate this lien as part of the overall resolution of your case — ensuring you keep as much of your total recovery as possible.
| Cases where third-party claims added value Construction worker — scaffold collapse caused by general contractor’s negligence — workers’ comp + third-party claim Factory worker — defective press machine caused crush injury — workers’ comp + product liability Delivery driver — rear-ended by third-party driver while on a delivery — workers’ comp + auto liability Roofing worker — property owner failed to secure the work area — workers’ comp + premises liability Past results do not guarantee future outcomes. |
Frequently Asked Questions — Third-Party Work Injury Claims Chicago
Q: How do I know if I have a third-party claim?
The best way to find out is to call us. We conduct a free review of every case for potential third-party liability. Key questions we ask: Was anyone other than your employer on the job site? Was equipment involved that came from a manufacturer or leasing company? Were you on property owned by someone other than your employer? Was a vehicle involved? If the answer to any of these is yes, a third-party claim may exist.
Q: Will filing a third-party lawsuit affect my workers’ comp benefits?
Generally no — you can pursue both claims simultaneously. The complication arises at the end of the case when your workers’ comp insurer may assert a lien on your third-party recovery. Our attorneys negotiate these liens as part of the resolution process and work to maximize your net recovery from both claims combined.
Q: What is the deadline to file a third-party claim in Illinois?
Third-party personal injury claims in Illinois are governed by a 2-year statute of limitations from the date of injury — separate from the 3-year deadline for workers’ comp claims. These deadlines run simultaneously, so it is important to act quickly. Do not wait until your workers’ comp case resolves to explore third-party options — by then, your deadline may have passed.
Q: My coworker caused my injury. Can I sue them?
Generally no — in Illinois, coworkers who injure you in the course of employment are typically covered by the workers’ comp system, not by personal injury law. However, if a supervisor intentionally caused your injury, or if a separate business entity employed your coworker, different rules may apply. Call us to discuss the specific circumstances of your case.
Think You May Have a Third-Party Claim? Call Us Today.
Most injured workers don’t know they have a third-party claim until an attorney evaluates their case. Illinois Compensation reviews every work injury for all available claims — workers’ comp and beyond. If there is more money on the table, we will find it. Free consultation, no upfront cost, no fee unless we win.
| Free Consultation — We Evaluate Every Claim Third-Party Work Injury Attorney serving Chicago, Cook County & all of Illinois |





