Workers' Compensation
Representation for Illinois workers seeking medical benefits, lost wage payments, and claim protection after job-related injuries, including denied or delayed claims and complex subrogation issues.
If you were hurt at work, Marker Law helps you understand your rights, protect your benefits, and pursue compensation with no upfront costs. Led by Naperville attorney Jason Marker, our team handles Illinois workers’ compensation claims, denied benefits, construction injuries, and third-party claims with direct attorney attention and a free consultation available 24/7.

Focused legal support for injured workers seeking benefits, medical care, and fair recovery after job-related injuries.
Representation for Illinois workers seeking medical benefits, lost wage payments, and claim protection after job-related injuries, including denied or delayed claims and complex subrogation issues.
Legal help for union, commercial, healthcare, municipal, and industrial workers injured on the job, including cases involving surgeries, permanent restrictions, and inability to return to work.
Guidance for injured construction workers pursuing workers’ compensation benefits and possible third-party claims against contractors, subcontractors, property owners, or equipment manufacturers.

We begin with a free consultation to understand how your injury happened, what medical care you received, whether benefits have started, and whether your Illinois workers’ compensation claim may involve additional third-party recovery.
Real advocacy backed by significant recoveries and decades of Illinois injury litigation experience.
Injured workers deserve clear answers, responsive support, and strong advocacy from the start.
Decades of Chicagoland injury litigation experience focused on workers’ compensation and personal injury claims.
Jason Marker understands employer and insurance tactics from prior defense-side legal experience.
Free consultations and contingency fees mean you pay only if financial recovery is obtained.
Clients receive personal attorney access, honest communication, and responsive bilingual team support.
Experienced advocates supporting injured workers across Illinois.

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.
Yes. Carpal tunnel syndrome may be covered by workers’ compensation when it is caused or aggravated by repetitive job duties, tool use, typing, assembly work, gripping, or other work-related strain. Medical evidence is important. A workers’ compensation attorney can help connect the condition to your job duties, address insurer denials, and pursue benefits for treatment and lost wages.
Talk directly with our team during a free consultation.
Highest peer rating for legal ability and ethics.
Selected by peers in the Chicagoland area.
Local recognition for trusted legal service.
Tell us what happened at work, and our team will explain your options, next steps, and how we can help pursue the benefits you may be owed.
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.