Kenneth W. Weinstein


Kenneth W. Weinstein retired from partnership on October 31, 2010. He was a partner in the Washington, D.C. office  and a member of the firm's Litigation Department and Environment, Land & Resources Department.

Mr. Weinstein practiced for 25 years in the field of chemical regulation and pesticide law, serving as lead trial counsel in many groundbreaking cases. For example, he represented the American Crop Protection Association and other agriculture and industry groups in multi-forum federal district court and appellate litigation involving EPA's implementation of the Food Quality Protection Act. He was been lead attorney in several precedential FIFRA data compensation arbitrations, EPA enforcement actions and a wide variety of other litigation matters covering the spectrum of regulatory issues. Mr. Weinstein argued before the US Supreme Court, and in numerous other federal trial and appellate courts.

In addition to litigation, Mr. Weinstein assisted many companies in facilitating regulatory approvals from EPA, and successfully defended many products against regulatory challenges. He has a degree in engineering and expertise in a variety of relevant scientific disciplines, including toxicology and ecotoxicology, endocrine disruption, biotechnology, endangered species, groundwater contamination and risk assessment. His representative clients, many of which he represented for more than two decades, included the American Crop Protection Association, Chemical Manufacturers Association, American Home Products, Aventis, BASF, Ciba Specialty Chemicals, Dow AgroSciences, FMC, Monsanto, Novartis, Rohm and Haas and Uniroyal.

Mr. Weinstein has co-authored two treatises on pesticide regulation and a treatise on toxic substances regulation, and has chaired the American Bar Association's Pesticide Law subcommittee. He was cited as a leading attorney in the environment category by Chambers USA legal guide.


  • Education
    • JD, Georgetown University Law Center, 1973
    • BS, City College, New York, 1969
Notice: We appreciate your interest in Latham & Watkins. If your inquiry relates to a legal matter and you are not already a current client of the firm, please do not transmit any confidential information to us. Before taking on a representation, we must determine whether we are in a position to assist you and agree on the terms and conditions of engagement with you. Until we have completed such steps, we will not be deemed to have a lawyer-client relationship with you, and will have no duty to keep confidential the information we receive from you. Thank you for your understanding.