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.

  • Stephen Dunn, et al. v. Ancient Brands LLC, No. 5:21-cv-00390-LEK-ML (September 15, 2023): The Northern District of New York granted defendant’s motion for judgement on the pleadings of a class action

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

  • Igor Zapadinsky v. Blue Diamond Growers, No. 2:23-cv-00231-JPS (August 7, 2023): The Eastern District of Wisconsin court granted dismissal of a putative class action alleging defendant misled consumers by describing the

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

  • Judah Rosenwald, et al. v. Kimberly Clark Corp., No. 3:22-cv-04993-LB (N.D. Cal. – August 14, 2023): The Northern District of California dismissed class action allegations that the defendant’s marketing of its

We are pleased to publish our first midyear Food and CPG Legal Trends report. This report is a bite-sized version of our annual year in review, providing timely insights on legal trends in the space.

In the first half of 2023, the CPG industry continued to face a meaningful threat of class-action activity, with continued

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

  • Elena Nacarino, et al. v. Kashi Company and Molly Brown, et al. v. Kellogg Company, Nos. 22-15377 and 22-15658 (9th Cir. – August 14, 2023): The Ninth Circuit granted dismissal of

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

  • Kenneth Telesco v. Starbucks Corp., No. 7:22-cv-02687-NSR (S.D.N.Y. – July 18, 2023): The Southern District of New York granted dismissal of a putative class action alleging defendant misled consumers into believing

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

  • Tara Amado v. The Procter & Gamble Co., No. 3:22-cv-05427-MMC (N.D. Cal. – June 8, 2023): The Northern District of California granted dismissal of a putative class action alleging defendant’s fiber-powder

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

  • Kristie Brownell v. Starbucks Coffee Co., No. 5:22-cv-01199-FJS-ATB (N.D.N.Y. – July 12, 2023): The Northern District of New York granted dismissal of a putative class action alleging defendant marketed and labeled

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

  • Magdalena Bojko, et al. v. Pierre Fabre USA Inc., No. 22-cv-06728 (N.D. Ill. – June 27, 2023): The Northern District of Illinois trimmed a lawsuit involving dry shampoo products allegedly contaminated

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

  • Darlene Hollins, et al. v. Walmart, Inc., et al., No. 21-56031 (9th Cir. – May 11, 2023): The Ninth Circuit affirmed the Central District of California’s order granting summary judgment in