Photo of David T. Biderman

David Biderman, a partner in Perkins Coie's San Francisco and Los Angeles offices, focuses his practice on mass tort litigation and consumer class actions. He heads the firm's Mass Tort and Consumer Litigation group. He has represented a wide variety of companies in state and federal courts in California for 30 years.

On consumer class actions, David represents packaged food companies, coffee companies, dairy companies, footwear companies and others whose nutritional or health claims have been challenged. He also has represented search engines and other online companies. He has a record of favorable results for clients. He successfully tried a major consumer fraud class action on behalf of one of the world’s major search engines in a case involving online gambling advertisements. For that same client, he negotiated a favorable settlement of a class action challenging its online advertising pricing. He represented a major coffee retailer in defeating a class action on standing grounds. He also has litigated pre-emption defenses arising out of food labeling and obtained a dismissal for a client whose nutritional statements were challenged.

For fifteen years, David managed the firm’s full-service product liability team responsible for defending over 1,000 toxic tort cases pending in Los Angeles and Northern California state courts. These cases entailed ongoing trial activity at various levels for several trials set each month. The highly experienced and well-coordinated team has handled thousands of asbestos toxic tort cases for a variety of clients, including FORTUNE 500 companies from such industries as consumer products, aerospace manufacturing, household goods, dry cleaning and industries that generate electromagnetic fields, such as electric utilities and operators of wireless communications systems.

 

Our weekly roundup aims to keep our readers up to date on recent notable rulings in the food & consumer packaged goods space.

  • Ryan Hardy v. Olé Mexican Foods, Inc., No. 0:22-1805 (2nd Cir. – May 22, 2023): The Second Circuit affirmed the district court’s dismissal of a putative class action alleging defendant’s tortilla

Our weekly roundup aims to keep our readers up to date on recent notable rulings in the food & consumer packaged goods space.

  • Abraham Lizama, et al. v. H&M Hennes & Mauritz LP, No. 4:22-cv-01170-RWS (E.D. Mo. – May 12, 2023): The Eastern District of Missouri granted dismissal of a putative class action alleging

Our weekly roundup aims to keep our readers up to date on recent notable rulings in the food & consumer packaged goods space.

  • Alexis Slaten v. Christian Dior, Inc., No. 23-cv-00409-JSC (N.D. Cal. – May 12, 2023): The Northern District of California granted in part and denied in part a motion to dismiss a

Our weekly roundup aims to keep our readers up to date on recent notable rulings in the food & consumer packaged goods space.

  • Makiko Fukaya v. Daiso California LLC et al., No. 3:23-cv-00099-JSC (N.D. Cal. – May 11, 2023): The Northern District of California trimmed a putative class action challenging the labeling of the

Our weekly roundup aims to keep our readers up to date on recent notable rulings in the food & consumer packaged goods space.

  • Sarah Vitort v. Kroger Co., et al., No. 22-35185 (9th Cir. – April 28, 2023): The U.S. Court of Appeals for the Ninth Circuit affirmed the dismissal of a putative class

Our weekly roundup aims to keep our readers up to date on recent notable rulings in the food & consumer packaged goods space.

  • Kari Warren v. The Coca-Cola Company, No. 7:22-cv-06907-CS (S.D.N.Y. – April 21, 2023): The U.S. District Court for the Southern District of New York granted dismissal of a putative class action

Our weekly roundup aims to keep our readers up to date on recent notable rulings in the food & consumer packaged goods space.

  • Kasama Brand v. KSF Acquisition Corp. dba Slimfast, No. 3:22-cv-00392-LAB-JLB (S.D. Cal. – March 17, 2023): The U.S. District Court for the Southern District of California dismissed a putative class action

Our weekly roundup aims to keep our readers up to date on recent notable rulings in the food & consumer packaged goods space.

  • Felix Bermudez et al. v. Colgate-Palmolive Company, No. 1:21-cv-10988-JLR (S.D.N.Y. – March 31, 2023): The U.S. District Court for the Southern District of New York dismissed allegations that the marketing and

Our weekly roundup aims to keep our readers up to date on recent notable rulings in the food & consumer packaged goods space.

  • Veronica Eshelby v. L’Oréal USA, Inc., No. 22-cv-01396-AT (S.D.N.Y. – March 27, 2023): The U.S. District Court for the Southern District of New York dismissed with prejudice a putative class action

Our weekly roundup aims to keep our readers up to date on recent notable rulings in the food & consumer packaged goods space.

  • Christopher Leonard v. Mondelēz Global LLC, No 1:21-cv-10102-PAC (S.D.N.Y. – March 8, 2023): The Southern District of New York dismissed a class action complaint that alleged the labeling of the defendant’s