Marc A. Perper - Horwitz, Horwitz & Associates

Marc A. Perper

Listed in Best Lawyers since 2016
Phone: 312-372-8822

Marc A. Perper is a partner at the law firm of Horwitz, Horwitz & Associates.  Since 1984, Marc has concentrated his practice in the field of workers' compensation law, representing seriously injured workers in claims under the Illinois Workers' Compensation and Occupational Diseases Acts at trial and on appeal.  Marc has also handled civil appeals in state and federal courts.  He also has assisted in the preparation and trial of personal injury cases in the areas of construction negligence, the Illinois Structural Work Act, products liability, medical malpractice, and federal civil rights. 

Marc has been a seminar presenter for the Illinois Institute for Continuing Legal Education, the Chicago Bar Association, the Workers' Compensation Lawyers Association, the Arthritis Foundation, and various consumer groups and labor organizations.  He has contributed a monthly column to the Fox Valley Labor Record on workers’ compensation issues.  He is a member of the American, Illinois State and Chicago Bar Associations, the Illinois Trial Lawyers Association, the Workers’ Compensation Lawyers Association, the Workplace Injury Litigation Group and the American Association for Justice.  He was also a past director of Reflex Sympathetic Dystrophy support groups at Loyola University Medical Center and Hinsdale Hospital.

Marc received a Bachelor of Arts degree with Honors from University of Illinois in 1975, a Master of Arts degree from University of Illinois in 1978, and a Juris Doctor degree with High Honors from IIT / Chicago-Kent College of Law in 1984.  He is a former member of Service Employees International Union Local 236 (now Local 1) (withdrawn in good standing, 1983), and a former member of the Chicago Federation of Musicians (withdrawn in good standing, 1978).



University of Illinois at ChicagoBA 1975University of Illinois at Urbana–ChampaignMA 1978Chicago-Kent College of LawJ.D. 1984
Illinois Trial Lawyers AssociationWorkers Compensation Lawyers AssociationAmerican Bar AssociationIllinois State Bar AssociationChicago Bar AssociationWorkplace Injury Litigation GroupAmerican Association for Justice

Case History

Interstate Scaffolding, Inc. v. Workers’ Compensation Comm’n, 236 Ill.2d 132, 923 N.E.2d 266 (2010).

Eligibility for temporary total disability (“TTD”) benefits following discharge from employment for cause.



Vuletich v. U.S. Steel Corp., 117 Ill.2d 417, 512 N.E.2d 1223 (1987).

Statutory definition of “support” under §1 of the Illinois Structural Work Act.

Williams Awning Co. v. Workers’ Compensation Comm’n, 2011 IL App (1st) 102810WC. — Effect of out-of-state anti-suit injunction on workers’ compensation proceeding.
USF Holland, Inc. v. Industrial Comm’n, 357 Ill. App. 3d 798; 829 N.E.2d 810 (2005). — Definition of work-related risk for purposes of determining whether injury arose out of and in the course of employment.
Mobil Oil Corp. v. Industrial Comm’n, 327 Ill.App.3d 778, 764 N.E.2d 539 (2002). — Eligibility for emergency hearing under §19(b-1) of the Illinois Workers’ Compensation Act; employer witness testimony barred for bad-faith nondisclosure; treating physician opinion found more persuasive than employer’s hired examiner; compensation for TTD awarded through date of arbitration hearing.
D.J. Masonry Co. v. Industrial Comm’n, 295 Ill.App.3d 924, 693 N.E.2d 1201 (1998). — Extraterritorial jurisdiction based on contract of hire; computation of average weekly wage under the Illinois Workers’ Compensation Act.
Miller v. Industrial Comm’n, 255 Ill.App.3d 974, 627 N.E.2d 676 (1994). — Penalties for employer’s bad-faith refusal to pay weekly TTD / PTD benefits.
Phillips v. Industrial Comm’n, 187 Ill.App.3d 704, 543 N.E.2d 946 (1989). — Burden of proving/disproving causal connection between work accident and resulting condition of ill being.
Connell v. Industrial Comm’n, 170 Ill.App.3d 49, 523 N.E.2d 1265 (1988). — Penalties for bad-faith suspension of TTD benefits; court-ordered vocational rehabilitation program to return disabled worker to competitive labor market; weekly maintenance benefits during pendency of rehabilitation plan; surveillance video barred due to employer’s bad-faith nondisclosure of evidence.
Meadows v. Union Carbide Corp., 710 F.Supp. 1163 (1989). — Continuing tort doctrine tolls statute of limitations in claim for workplace chemical exposure, notwithstanding employee’s knowledge of injury.

Office Location

25 East Washington Street, Suite 900
Chicago, IL 60602
United States

Practice Areas

Workers' Compensation Law - Claimants

Other Information