About Marc Perper

Marc A. Perper has practiced at Horwitz, Horwitz & Associates since 1984, concentrating on workers' compensation and related areas of injury law. He joined the firm with a civil-rights background and has since built an extensive appellate record, arguing before the Illinois Supreme Court and Illinois Appellate Court in matters involving vocational rehabilitation, extraterritorial jurisdiction, penalties, earnings calculations, and the scope of arising-out-of-and-in-the-course-of employment. He also handles construction negligence, products liability, medical malpractice, and civil-rights cases in state and federal courts. He holds the Avvo Top Contributor Award and has been recognized as an Illinois Super Lawyer (2010-2016) and Best Lawyer in America (2016). He earned a B.A. from the University of Illinois at Chicago (1975), an M.A. in Political Science from the University of Illinois Urbana-Champaign (1978), and a J.D. from Chicago-Kent College of Law (1984).

Proven verdicts and settlements at Horwitz, Horwitz & Associates

These results are credited to Horwitz, Horwitz & Associates. A result appears under an attorney's own name only when a published source names them as counsel on the case.

A Cook County jury awarded $64 million to Ronald Bayer, a union ironworker paralyzed from the neck down after falling 15 feet at a Panduit Corp. warehouse construction site in DeKalb, Illinois, at the time the largest verdict ever returned for a quadriplegic in Illinois.

Cook County Circuit Court, Illinois · 2012Workplace InjuryRead the full story →
$32 millionVerdict

A Cook County jury awarded $32 million to truck driver Stephanie Johnson, who developed Complex Regional Pain Syndrome after slipping on oil at an ExxonMobil facility, in what the Jury Verdict Reporter recorded as the largest CRPS verdict in Illinois history.

Cook County Circuit Court, Illinois · 2025Slip & FallRead the full story →
$10 millionVerdict

A Cook County jury awarded $10 million to a dentist who developed bilateral Complex Regional Pain Syndrome after a delivery worker's overloaded hand truck struck her leg at a Lincolnwood Walgreens in 2012, setting what the Illinois Jury Verdict Reporter confirmed as the largest CRPS injury verdict in state history at the time.

Cook County Circuit Court, Illinois · 2016Premises LiabilityRead the full story →
$9.99 millionVerdict

Electrician Frank Russo was injured in July 2013 when a crane at Corey Steel's plant struck the man-lift he was working in, leaving him with hip, shoulder, back, elbow and finger injuries. Corey Steel admitted liability, and a Cook County jury awarded $9,987,000 in damages in 2017. A successor judge ordered a new trial over a future hip surgery opinion, and the Illinois Appellate Court reversed that order in December 2018, so the verdict stood.

Circuit Court of Cook County, Illinois (No. 17 L 03425) · 2017Workplace InjuryRead the full story →
$5.75 millionVerdict

A Cook County jury awarded $5,745,600 to Local 10 journeyman carpenter Gary Markovich after a superintendent's drill bit wrapped his ulnar nerve during work at Northwestern Prentice Women's Hospital, producing stage III CRPS that ended his career, at the time the largest non-amputation hand-injury verdict in Illinois history.

Cook County Circuit Court, Illinois · 2014Workplace InjuryRead the full story →

Prior results do not guarantee a similar outcome. Each case is unique and depends on its own facts.

Practice areas

Education

Chicago-Kent College of Law
J.D., 1984
University of Illinois at Chicago
Undergraduate, 1975

Bar admissions & credentials

State Bar of Illinois, admitted 1984

Other attorneys at Horwitz, Horwitz & Associates

View firm →

Proven verdicts and settlements from other Chicago firms

Corboy & Demetrio
Corboy & Demetrio
$80 Million Default Judgment Against Iran for Iraq Roadside Bomb That Killed a Soldier and Injured His Platoon Leader
Salvi, Schostok & Pritchard P.C.
Salvi, Schostok & Pritchard P.C.
$363 million · Sterigenics Verdict: $363 Million for a Willowbrook Cancer Survivor
Clifford Law Offices
Clifford Law Offices
$110 million · American Eagle Flight 4184: $110 Million Crash Settlement and a Courtroom Apology
Power Rogers LLP
Power Rogers LLP
$100 million · Willis Family Wrongful Death Settlement: $100 Million After Six Children Killed in I-94 Truck Crash
Romanucci & Blandin
Romanucci & Blandin
$98.65 Million Verdict for Family of Botham Jean, Shot in His Own Apartment by Off-Duty Dallas Officer

Prior results do not guarantee a similar outcome. Each case is unique and depends on its own facts.