About Brian J. Madden

Settled a commercial real estate case against the City of Kansas City, Missouri for $15 million on the Friday before trial was to begin Achieved a $5.7 million verdict for his clients, which was the fifth largest verdict in Missouri that year Achieved a defense verdict for his clients after a four-week federal court trial where plaintiff requested an award of $90 million. Brian Madden has been named to the 2026 Lawdragon 500 Leading Environmental Lawyers for the third consecutive year, recognizing his national reputation in complex environmental and mass-tort litigation. Brian has tried numerous complex and high-stakes cases involving business disputes, personal injury, and wrongful death, representing both plaintiffs and defendants. In addition to his trial practice, Brian is highly active in the appellate arena. His appellate successes include reversing a $5 million verdict, overturning an adverse judgment in trust litigation, and preserving a $1 million insurance-coverage judgment for his clients.

Proven verdicts and settlements at Wagstaff & Cartmell

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

San Francisco Unified School District's case was the first JUUL bellwether trial against Altria; after the plaintiffs rested, Altria agreed to pay $235 million to resolve roughly 6,000 pending e-vapor claims nationwide.

U.S. District Court, Northern District of California (MDL No. 2913) · 2023Product LiabilityRead the full story →
$20 millionVerdictTop 20 in Indiana · #12

A federal jury in Hammond, Indiana found that Ethicon's Prolift transvaginal mesh was defectively designed and inadequately warned against, awarding Barbara and Anton Kaiser $35 million. A judge reduced the punitive damages, leaving a $20 million verdict that the Seventh Circuit affirmed in full in 2020.

U.S. District Court, N.D. Indiana, No. 2:17-cv-114 · 2018Product LiabilityRead the full story →

Kathryn Gant died at the scene of a head-on crash on K-58 in Kansas on June 10, 2011, after a driver crossed the center line in a no-passing zone. Her husband sued the driver, the driver's parents and the family oil company. After a five-day bench trial in June 2015, a Coffey County judge found all of them liable and awarded $6,723,021. Under a pretrial agreement, none of the judgment could be collected from the defendants themselves.

Coffey County District Court, Kansas · 2015Wrongful DeathRead the full story →
$6 millionVerdict

A Los Angeles jury found Meta and Google's YouTube negligent in designing platforms that harmed a young woman identified as K.G.M., who began watching YouTube at age 6 and joined Instagram at 9. On March 25, 2026, it awarded $3 million in compensatory damages, split 70 percent to Meta and 30 percent to YouTube, plus $3 million in punitive damages. It was the first bellwether trial in the coordinated California social media addiction cases.

Superior Court of California, Los Angeles County (JCCP 5255, Judge Carolyn Kuhl) · 2026Product LiabilityRead the full story →
$5.7 millionVerdict

A Kern County jury handed Coleen Perry a $5.7 million verdict against Johnson & Johnson's Ethicon unit on March 5, 2015, in the first trial ever to reach a jury over Ethicon's TVT-Abbrevo polypropylene mesh sling.

Superior Court of California, Kern County · 2015Product LiabilityRead the full story →

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

Practice areas

Education

University of Missouri - Kansas City
J.D., 1992
Rockhurst College
Undergraduate

Bar admissions & credentials

State Bar of Missouri

Other attorneys at Wagstaff & Cartmell

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Proven verdicts and settlements from other Kansas City firms

Dollar, Burns, Becker & Hershewe
Dollar, Burns, Becker & Hershewe
$82.3 Million Verdict for I-70 Crash Victim Struck by Trucker Watching Videos on iPad
The Popham Law Firm
The Popham Law Firm
$57 Million Settlement for 1,700 Sprint Workers in Landmark ADEA Collective Action
Brown & Crouppen
Brown & Crouppen
$119.5 million · $462 Million Verdict After Fatal Underride Crash Killed Two Young Fathers
Shamberg Johnson & Bergman
Shamberg Johnson & Bergman
$15.28 million · $23.5 Million Verdict Against Swift Transportation for Meth-Impaired Driver
Cullan & Cullan LLC
Cullan & Cullan LLC
$20.82 million · $25.4 Million Verdict for Birth Injury From Excessive Pitocin

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