Weil, Gotshal & Manges LLP’s full-service offering includes crisis response, strategic advice, and risk mitigation, alongside expertise in government investigations and litigation. The team’s focus areas extend to environmental tort claims and public nuisance litigation, as well as emerging ultra-processed foods (UPF) cases. The practice group is co-led by experienced partners Diane Sullivan, who splits her time between New Jersey and New York, and David Singh in Silicon Valley. Sullivan has developed a strong reputation for handling bet-the-company trials, with recent work highlights including the representation of L’Oréal in a multidistrict litigation (MDL) in federal court in Illinois regarding allegations that the company’s hair relaxers caused breast and uterine cancer. Singh is a key name in the market for PFAS litigation, greenwashing claims, and plastic pollution. In Washington DC, Arianna Scavetti acted for PepsiCo, Inc. in UPF litigation alleging the products caused type 2 diabetes and non-alcoholic fatty liver disease in children.
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Key clients
- ExxonMobil Corporation
- PepsiCo
- Apple
- Johnson & Johnson
- Meta Platforms
- Frito-Lay
- Paramount Global
- General Electric Co.
- The Procter & Gamble Company
- Alibaba Group
- Temu
- Lululemon
Work highlights
Represented L’Oreal in an MDL encompassing more than 8,000 cases in total, alleging that hair relaxers, manufactured by L'Oréal USA and other companies, cause breast, uterine, and other cancers.
Secured a dismissal of PepsiCo in a novel lawsuit, alleging that PepsiCo, and several food manufacturers, intentionally designed and marketed so-called “ultraprocessed” foods (UPFs) to be addictive to children, causing chronic diseases.
Defending ExxonMobil as a national trial counsel in defense of public nuisance lawsuits regarding plastics pollution.
Lawyers
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Diane Sullivan; David Singh
Other key lawyers
Arianna Scavetti