Matern Law Group, PC – Los Angeles 1230 Rosecrans Ave., Suite 200
Manhattan Beach, CA 90266 | Phone: (855) 888-2577

Matern Law Group, PC – San Francisco One Market Plaza Spear Tower, Suite 3676
San Francisco, CA 94105 | Phone: (855) 888-2651

Matern Law Group, PC – San Diego Emerald Plaza, 402 West Broadway, Suite 400
San Diego, CA 92101 | Phone: (855) 202-0472

Matern Law Group, PC - Oakland 1330 Broadway, Suite 428
Oakland, CA 94612 | Phone: (855) 888-2651

Joshua D. Boxer

Senior Associate Attorney


Mr. Boxer has represented plaintiffs in workers’ rights and consumer class actions for over fifteen years.  Mr. Boxer has extensive trial and appellate experience, litigating in state and federal courtrooms throughout the country.  He has tried both individual and class cases to verdict.

In 2006, Mr. Boxer served as co-counsel in Valladares v Madera Quality Nut, a whistle-blower case resulting in a jury verdict of over $25 million, one of the top 100 Verdicts of 2006.

In 2007, Mr. Boxer served as lead trial counsel in Vandenberg v. Santa Clara County Fire Department, successfully vindicating the rights of the Department’s first female Fire Captain and winning over $400,000.

In 2013, Mr. Boxer argued an appeal in the Ninth Circuit resulting in a published opinion in which the court refused to enforce an arbitration agreement that precluded all rights to judicial review. In re Wal-Mart Wage & Hour Employment Practices Litig., 737 F.3d 1262 (9th Cir. 2013).

In 2013, Mr. Boxer was appointed Interim Co-Lead Counsel in MDL 2448: In re Anheuser-Busch Beer Labeling Litigation.

In 2016, Mr. Boxer successfully argued Jesus Mendoza v. Century Fast Foods, a case in which the California Court of Appeal affirmed the denial of a motion to compel arbitration of a wage and hour class action.

In 2018, Mr. Boxer tried a sexual harassment and wrongful termination case resulting in a jury verdict of just under $500,000 in Aguilar v. Blaze Pizza, LLC, et al, Los Angeles County Superior Court Case No. BC651278.

Mr. Boxer has been featured on CNBC’s Closing Bell, CNN’s Situation Room with Wolf Blitzer, and countless media outlets, including Fox News, Reuters, Bloomberg’s Businessweek, NPR, Time, The San Francisco Chronicle, The New York Post, The Los Angeles Times, Sky News, the BBC and the Associated Press. Mr. Boxer has been interviewed by media outlets in six different countries, including a South Korean documentary about class action litigation.

When he is not in the courtroom, Mr. Boxer is an avid cyclist, runner, and triathlete.  He has published countless triathlon articles, including a 2018 feature on the Escape from Alcatraz Triathlon for 220 Triathlon Magazine.

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Accomplishments/Quick Facts
Joshua D. Boxer:

Mr. Boxer was named a 2010, 2011, 2012 and 2013 Rising Star by Super Lawyer Magazine, a designation awarded to the top 2.5% of attorneys under the age of 40.

While Mr. Boxer is proud of the recognition he has received from his peers, he is particularly proud of the recognition he received from his adversaries. In 2013, the U.S. Chamber of Commerce recognized Mr. Boxer and his firm as one of the “Leading Plaintiffs’ Firms for Wage and Hour Class Action Litigation” and one of the “Leading Plaintiffs’ Firms for Food Lawsuits.”

A 21st Century Legal Approach



J.D., University of California Davis School of Law, 2003

B.A., University of California Santa Barbara, 1999

Admitted to Practice

Mr. Boxer is admitted practice in all California state courts.

The United States District Courts for the Northern, Central, and Eastern Districts of California,

the United States District Court for the Southern District of Texas,

the Ninth Circuit Court of Appeal and Sixth Circuit Court of Appeal. 

He has been admitted pro hac vice in the United States District Court for the District of Nevada,

the United States District Court for the District of Colorado,

the Massachusetts Court of Appeals,

the Circuit Court of Jackson County, Missouri.


In addition to Mr. Boxer’s professional admittances, he is an active member of California’s legal community:

National Association of Consumer Advocates (NACA)

 California Employment Lawyers Association (CELA)