About Joan D. Toomey

Assisted in reaching a $10 million class action settlement on behalf of Missouri landowners Represents plaintiffs in multi-district litigation cases against medical device manufacturers. Joan joined Wagstaff & Cartmell in 2009. Early in her tenure at the firm, she worked on matters involving the representation of the State of Kansas in a contract dispute with major tobacco companies relating to payments under the 1998 Master Settlement Agreement; a class action suit alleging antitrust violations among private equity firms; a class action suit involving environmental property damage affecting Northwest Missouri landowners; and various mass tort cases alleging injurious exposures to toxic substances and devices. Joan continues to advocate on behalf of clients involved in various types of commercial litigation disputes.

She also represents plaintiffs in multi-district litigations cases against medical device manufacturers. This representation includes legal research; drafting of pleadings, memoranda, motions, and briefs; defending and taking depositions; managing the discovery process; and trial preparation. In 2012, thousands of lawsuits filed nationwide against several manufacturers of transvaginal mesh products. These cases were consolidated by the Judicial Panel on Multidistrict Litigation (JPML) into several MDLs before the Honorable Joseph R. Goodwin in the Southern Distri [Read more]

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 School of Law
J.D.
Southeast Missouri State University
Undergraduate

Bar admissions & credentials

State Bar of Kansas
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.