Workers’ Compensation
Representation for Illinois workers seeking medical benefits, wage replacement, and compensation after job-related injuries, including guidance through filings, insurance communications, and claim resolution.
When a workplace injury disrupts your health, income, and future, Marker Law helps you pursue the workers’ compensation benefits you deserve. Based in Naperville and serving injured workers throughout Illinois, our team handles medical benefits, lost wages, denied claims, and third-party recovery options with direct attorney guidance and no upfront legal fees.

Focused legal help for injured workers seeking benefits, medical care, wage replacement, and full recovery options.
Representation for Illinois workers seeking medical benefits, wage replacement, and compensation after job-related injuries, including guidance through filings, insurance communications, and claim resolution.
Help fighting delayed, disputed, or denied workers’ compensation claims so injured employees can pursue the benefits and treatment they are entitled to under Illinois law.
Legal support for injured construction workers, including workers’ compensation claims and potential third-party claims against contractors, subcontractors, property owners, or equipment manufacturers.

We start with a free consultation to understand how the injury happened, your medical needs, missed work, and whether workers’ compensation, a third-party claim, or both may apply under Illinois law.
Marker Law has recovered significant compensation for injured workers facing serious, life-changing workplace injuries.
Experienced, focused representation for injured workers and their families.
Decades of Chicagoland injury litigation experience serving workers across Illinois communities.
Former defense-side experience helps anticipate insurer and employer tactics in disputed claims.
Free consultations and contingency fees mean you pay only if compensation is recovered.
Clients receive personal attorney attention from Jason Marker, a lifelong Naperville resident.
Experienced advocates focused on injured Illinois workers.

Attorney / Owner
Jason Marker is a personal injury and workers' compensation attorney with over 25 years of litigation experience serving the Chicagoland area. As the founder and owner of Marker Law, LLC, Jason built his practice on the conviction that hardworking people deserve an advocate who understands both sides of injury litigation. He began his career clerking in the City of Chicago's Torts Division and spent three years on the defense side representing employers and insurance carriers before transitioning exclusively to plaintiff advocacy. A lifelong Naperville resident, Jason earned his J.D. from The John Marshall Law School in 2000. He holds an AV Preeminent rating from Martindale-Hubbell, has been recognized by Super Lawyers, and ensures every client receives direct, personal attorney attention throughout their case.

Senior Paralegal
Marisol Castillo is the Senior Paralegal at Marker Law, LLC, bringing over 18 years of dedicated experience in workers' compensation law. Fluent in both English and Spanish, Marisol is deeply committed to serving immigrant families and underserved communities, a passion inspired by witnessing the language barriers her own mother faced. She approaches every client interaction with efficiency, compassion, and a strong work ethic, ensuring that each individual receives attentive and informed support throughout the legal process. Marisol's advocacy extends beyond the office, rooted in a personal mission to build awareness and access for those who need it most. Her nurturing dedication is further shaped by her role as a devoted mother to her two daughters.

Paralegal
Liz Ruiz is a paralegal at Marker Law, LLC, with nearly two decades of experience in the injury law field dating back to 2006. She has developed extensive expertise handling a wide range of cases, including personal injury, medical malpractice, and workers' compensation matters. Liz's broad background across multiple practice areas equips her to provide thorough and knowledgeable support to clients navigating complex legal processes. Her long-standing commitment to the field reflects a genuine dedication to helping injured individuals pursue the justice and compensation they deserve. As part of the Marker Law team, Liz plays an integral role in ensuring every case is managed with precision, care, and professionalism from start to finish.
In Illinois, workers’ compensation benefits may cover reasonable and necessary medical treatment, temporary disability payments while you cannot work, permanent partial or total disability benefits, and vocational rehabilitation in certain cases. Marker Law helps document your injury, treatment needs, lost wages, and long-term limitations so the claim reflects the full impact of your workplace injury.
Talk with an experienced Illinois workers’ compensation attorney today.
Highest peer rating for legal ability and ethics.
Peer-selected recognition in the Chicagoland legal community.
Local recognition for trusted legal service.
Tell Marker Law what happened, and our team will review your situation, explain your options, and help you take the next step with no upfront legal fees.
For immediate assistance, feel free to give us a direct call at 331-INJURED. You can also send us a quick email at jmarker@marker-law.com.
For immediate assistance, feel free to give us a direct call at 331-INJURED. You can also send us a quick email at jmarker@marker-law.com.