Yardena Zwang-Weissman is the deputy leader of the firm's product liability, mass torts, and insurance practice. She focuses her practice on the intersection between environmental, mass tort, and product liability litigation, representing clients across industries such as manufacturing and supply, energy, technology, pharmaceutical and medical device, among others. Yardena litigates mass, serial, and class action cases in complex courts and in multidistrict litigation (MDL), often involving many parties, brought by numerous private and government plaintiffs, and involving regulatory considerations.
A member of Morgan Lewis’s crisis management team, Yardena represents clients in high-profile disputes, where strategic coordination, the development and implementation of overarching strategy across teams and the management of the multiple components of crisis-driven litigation is essential to the defense. She advises clients in matters involving novel, developing, and multifaceted issues related to science, medicine, technology, and the environment.
Among her key representations, Yardena has acted as national, coordinating and litigation counsel leading the defense of large, complex matters often involving environmental, tort and product related disputes concerning alleged air, soil, water, and groundwater contamination in multiple jurisdictions, including several in which she served in critical roles on trial teams. She represents clients in both federal and state court in cases involving various substances such as volatile organic compounds (VOCs), perchlorate, polychlorinated biphenyl (PCB), dioxin, furan, per- and polyfluoroalkyl substances (PFAS), lead, asbestos, benzene, talc and silica.
While in law school, Yardena served as an extern for Justice Carlos Moreno of the Supreme Court of California and Judge S. James Otero of the Central District of California. She also served as the notes editor for the Hastings Law Journal.
Recognized, Leaders in Environmental Law, Environmental Litigation, Lawdragon Green 500 (2023)
Listed, The Best Lawyers in America, Litigation - Environmental, Los Angeles (2022–2025)
Rising Star, Environmental, Law360 (2018)
Next Generation Partner, Dispute resolution: Product liability, mass tort and class action: toxic tort - defense, The Legal 500 US (2021–2024)
Recommended, Dispute resolution: Product liability, mass tort and class action: pharmaceuticals and medical devices - defense, The Legal 500 US (2018–2020, 2023, 2024)
Recommended, Dispute resolution: Product liability, mass tort and class action: toxic tort - defense, The Legal 500 US (2018–2022)
Recommended, Industry focus: Insurance: advice to policyholders, The Legal 500 US (2018)
Rising Star, Southern California Super Lawyers (2013–2017)
Recommended, The Legal 500 US (2016, 2017)
Member, Executive Committee, Environmental Section of the Los Angeles County Bar Association (2011–present)
Member, American Bar Association