About J. Gary Gwilliam

J. Gary Gwilliam is the Founding Partner of the firm and is widely regarded as one of the top consumer trial attorneys in California. He has tried over 180 jury cases, of which nearly 150 were plaintiff civil personal injury matters, covering automobile and construction accidents, products liability, medical malpractice, civil rights including police misconduct, and employment discrimination. A noted lecturer and speaker, he has conducted seminars across California and the country for many years and has authored numerous articles on California consumer law.

He is frequently called upon to serve as an expert witness on attorney standard of care. In January 2025, he received the inaugural Legend of The Law Lifetime Achievement Award from the Alameda Contra Costa Trial Lawyers Association. Earlier in his career he served as Chief Trial Deputy in the Ventura County District Attorney's Office before entering private practice.

Proven verdicts and settlements

$37.25 millionSettlement

One hundred twenty-nine former Lawrence Livermore National Laboratory workers, most of them over 50, shared a $37.25 million settlement after a series of jury trials established that the lab breached their employment contracts during a 2008 mass layoff that followed privatization of the facility.

Alameda County Superior Court · 2015Workplace InjuryRead the full story →
$22.5 millionSettlement

Stanislaus County agreed to pay $22.5 million to settle a federal civil rights suit brought by criminal defense attorney Frank Carson's estate and seven co-plaintiffs who were acquitted after a years-long murder conspiracy prosecution. The firm served as co-lead trial counsel, representing four of the eight plaintiffs and negotiating roughly $12 million of the total; Morrison & Foerster represented the other four.

U.S. District Court, E.D. Cal. (Stanislaus County) · 2025Wrongful DeathRead the full story →
$6.1 millionVerdict

A Contra Costa County jury awarded Sherrill Smothers $6.1 million after finding General Motors 80% liable for the defective roof design of his 1984 Corvette, which collapsed during a 1988 rollover and left him a quadriplegic.

Contra Costa County Superior Court · 1992Product LiabilityRead the full story →
$2.73 millionVerdict

An Alameda County jury awarded $2.73 million to five test plaintiffs after finding that Lawrence Livermore National Security LLC violated its own inverse-seniority layoff policy when it cut more than 400 workers in 2008.

Alameda County Superior Court · 2013Workplace InjuryRead the full story →

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

Practice areas

Bar admissions & credentials

State Bar of California

Other attorneys at Gwilliam Ivary Chiosso Cavalli & Brewer

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