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About John LaMantia
John LaMantia has more than 30 years of experience as a trial attorney. He earned his B.A. from Fordham University in 1989 and his J.D. from The John Marshall Law School (now University of Illinois Law) in 1993, admitted to the Illinois Bar in 1994. He has tried more than 38 civil jury cases in trucking and construction accidents, medical malpractice, nursing home negligence, wrongful death, premises liability, products liability, and civil rights cases throughout Illinois. He has been recognized by Illinois Super Lawyers for Medical Malpractice and Trial Attorney in 2025 and 2026, and as a National Top 100 Trial Lawyer by The National Trial Lawyers in 2022-2026.
Practice areas
Education
The John Marshall Law School (University of Illinois Law)
J.D., 1993
Fordham University
Undergraduate, 1989
Bar admissions & credentials
State Bar of Illinois, admitted 1994
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Proven verdicts and settlements from other Dallas firms
Aldous Law
$268.6 million · Jury Awards $268 Million After Medical City Gave a 13-Year-Old Girl a Fatal Propofol Overdose
Arnold & Itkin
$2.065 billion · Cobb County Jury Awards John Barnes $2.065 Billion in Roundup Cancer Trial
Miller Weisbrod Olesky
$30.8 million · $30.8 Million Verdict Against Navistar for Concealing MaxxForce Engine Defects in 243 Trucks
Turley Law Firm
$119.6 million (verdict); $23.4 million (settlement) · Dallas Jury Awards $119.6 Million Against Catholic Diocese for Decades of Clergy Abuse and Cover-Up
Loncar Lyon Jenkins
$296 million · $296 Million Verdict Against Koch Industries for Butane Pipeline Deaths in Kaufman County