About Patrick Hagerty

Pat Hagerty has over thirty-five years of experience as a trial lawyer in state and federal courts across the country, concentrating in railroad, automobile and trucking accidents, wrongful death, catastrophic personal injury, product liability, medical malpractice, and commercial litigation. He has secured numerous multi-million-dollar verdicts and settlements. After law school at Saint Louis University, he clerked for Judge Carl R. Gaertner of the Missouri Court of Appeals, then worked at a large defense firm before joining Gray Ritter Graham in 1992.

He is a recipient of the Missouri Association of Trial Attorneys President's Award, a Fellow of the International Society of Barristers, and a past President of the Missouri/Southern Illinois Chapter of ABOTA. He was named Best Lawyers' St. Louis Railroad Law Lawyer of the Year for 2026 and is recognized in Missouri and Kansas Super Lawyers in transportation, maritime, litigation, and personal injury. Pat is licensed in Missouri, Illinois, and multiple U.S. District Courts and Courts of Appeals.

Proven verdicts and settlements

$6.4 millionVerdict

A St. Louis County jury awarded Jeffrey and Connie Schneider $6.4 million on July 5, 2013, finding that his physician at SSM DePaul Medical Group failed to follow a known mitral valve prolapse. A heart valve infection went undetected and he suffered a stroke at 53 that paralyzed his right side and damaged his memory. The award included $610,000 to Mrs. Schneider for loss of consortium.

St. Louis County Circuit Court, Clayton, Missouri · 2013Medical MalpracticeRead the full story →
$2.18 millionVerdict

Shannon Dodson, 34, of Maplewood, died in February 2011 after her left main coronary artery was dissected during a cardiac catheterization at Mercy Hospital, with roughly 30 minutes passing before intervention began. A St. Louis County jury awarded her family $10,831,155 in September 2013. The trial court applied Missouri's noneconomic damages cap, leaving about $2.18 million, and the Missouri Supreme Court affirmed in 2016.

St. Louis County Circuit Court, Clayton, Missouri · 2013Medical MalpracticeRead the full story →

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

Practice areas

Education

Saint Louis University School of Law
J.D., 1985
Quincy College
Undergraduate, 1981

Bar admissions & credentials

State Bar of Missouri, admitted 1985
State Bar of Illinois, admitted 1986

Other attorneys at Gray Ritter Graham

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Proven verdicts and settlements from other St. Louis firms

The Simon Law Firm
The Simon Law Firm
$745 Million Verdict Against Nitrous Oxide Distributor and Head Shop After Crash Killed a 25-Year-Old
Schultz & Myers Personal Injury Lawyers
Schultz & Myers Personal Injury Lawyers
$11.49 million · Parents of 6-Year-Old Killed by School Bus Win Wrongful Death Judgment Against Driver in St. Louis
Cantor Injury Law
Cantor Injury Law
$119.5 million · $462 Million Verdict After Fatal Underride Crash Killed Two Young Fathers
The Bruning Law Firm
The Bruning Law Firm
$24 Million Federal Class-Action Settlement for St. Louis Rams PSL Holders
Cofman Townsley Attorneys at Law
Cofman Townsley Attorneys at Law
$247.3 million · St. Charles County Jury Awards $247.3 Million to Six Women Sexually Assaulted at Oasis Foot Spa

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