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P. Gerhardt Zacher


(619) 230-7703
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San Francisco
315 Pacific Avenue
San Francisco, CA 94111

San Diego
101 W. Broadway
Suite 2000
San Diego, CA 92101

Los Angeles
633 West Fifth Street
52nd Floor
Los Angeles, CA 90071


J.D., University of California, Hastings College of the Law

B.A., University of California, Berkeley


Named San Diego "Mass Tort Litigator of the Year" for 2011 by Best Lawyers

Best Lawyers in America® distinction in Mass Tort Litigation/Class Actions - Defendants (2011-2024), Product Liability Litigation - Defendants (2010-2021)

Top Rated Lawyer-AV® Preeminent™,

Super Lawyers® distinction in Business Litigation, Environmental Litigation and Business/Corporate (2007, 2009-2018)

Selected to the Order of the Coif and Thurston Society

San Diego Magazine's Top Lawyer in San Diego (2017)


P. Gerhardt Zacher is an experienced litigation partner whose practice is primarily focused on the representation of chemical manufacturers, formulators and distributors in product liability, environmental and business litigation. With substantial jury and non-jury experience, he has successfully defended a significant number of complex cases, including large exposure environmental and personal injury actions and complex business disputes.

In addition to his representation of a number of agricultural chemical companies including Syngenta Crop Protection, Inc., Valent USA Corporation, Bayer CropScience and Wilbur Ellis Company, Gery as the head of the firm's Agrichemicals & Agribusiness Practice Group, is also the firm’s representative for its memberships in CropLife America and Responsible Industry for a Sound Environment.


  • California


  • Defense Research Institute
  • State Bar of California