Founding Partner


Areas of Practice

  • Personal Injury
  • Motor Vehicle Accidents
  • Slip and Fall Accidents
  • Wrongful Death Cases
  • Dog Bite Injuries
  • Workplace Injuries
  • Product Liability Cases


Frank S. Cservenyak, Jr. is a founding partner and has been in the general practice of law for over 25 years. Mr. Cservenyak concentrates his practice in the areas of personal injury, civil litigation, employment law, criminal and commercial litigation.

A native of Chicago, Frank attended Brother Rice High School before earning his Bachelor of Arts degree from Illinois Wesleyan University in Bloomington, Illinois and his Juris Doctor from Drake University in Des Moines, Iowa.

Cservenyak is one of Chicago’s premiere personal injury attorneys, having collected millions of dollars in damages from auto accident, product liability and wrongful death cases. He is a member of the Illinois State and American Bar Associations, American Trial Lawyers Association and Illinois Trial Lawyers Association. He practices in Will, Grundy, DuPage, Cook, Kane and Kendall Counties in Northern Illinois.

Frank is a proud supporter of private league and school athletic programs throughout the area, and can often be seen in the stands, cheering for the home team.


Firm settles case for injured executive in the amount of $750,000.00

On May 1, 2001, Bobbe Graaman was on her way to work, taking her usual route of traveling North on I-55. Unfortunately, that day would end with a stay in the local hospital and an uncertain future. At approximately 6:00 a.m. Ms. Graaman approached the exit ramp of Route 126 at I-55 as traffic...

David Riddle recommended Frank S. Cservenyak

The first time I met Frank was at the Courthouse when my previous attorneys were abandoning me. Frank took my case when everyone else told me no. It wasn't easy, but we won. Frank never gave up and I got the results that compensated me for my injury.

Fred Sanders recommended Frank S. Cservenyak

What started out as an annual Canadian fishing trip ended in tragedy when the car I was traveling in went off the road and hit a boulder. The next thing I remember was waking up in a hospital. My body was literally broken to pieces. When they air-lifted me to Joliet, my future was uncertain. My

John Smith recommended Frank S. Cservenyak

When I came to the law firm of Rathbun, Cservenyak & Kozol, LLC., I came for one reason and that was to be compensated for my injuries. When the case settled for one million dollars I got more than just a settlement. I had become good friends with Frank, who fought and battled for me every step

We have many repeat clients who come to us for all of life’s challenges

Always have received excellent help from the attorneys in the firm. Frank C and Carl B handled our last cases very well.

While the Governor has issued a shelter in place order, that does not apply to legal services, which are considered essential services. Our office remains open but we are continuing to limit services to phone and video conference support at this time. If you have any questions, feel free to contact us at 815-730-1977. We are here to help!