United States • Dispute resolution
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Leading trial lawyers

Diane Sullivan

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Weil, Gotshal & Manges LLP

Diane Sullivan at Weil, Gotshal & Manges LLP, who operates between New Jersey and New York, is a leading trial lawyer in the area product liability and environmental mass torts, but also has a wide-ranging and versatile practice across commercial, antitrust, patent, mass tort, and class action cases. Sullivan appears in cases which are often groundbreaking in their respective industry, a recent example of which was securing victory in an important plaintiff patent infringement jury verdict. This trial for Altria and Philip Morris USA against competitor RJ Reynoldsworth had ramifications for the future of the e-vapor technology industry.
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Phone
+1 212 310 8897
Email
[email protected]

Mentions

Profile

Position

Partner

Career

Diane Sullivan is a renowned trial attorney, specializing in “first-of-kind,” “bet-the-company,” or otherwise high-profile matters that have garnered extensive media coverage across a range of practice areas and industries. She is routinely retained as lead trial counsel in high-stakes litigations. Diane has successfully tried cases for Fortune 500 companies in complex commercial, mass tort, class action, antitrust, patent, and environmental litigations in jurisdictions around the U.S. She has represented some of the biggest, most recognizable companies across industries, including Johnson & Johnson, Altria, AstraZeneca, Baxter Healthcare Corporation, Campbell Soup Company, ESPN, ExxonMobil, Frontier Communications, General Electric, GlaxoSmithKline, Merck, Philip Morris USA, Procter & Gamble, Repsol, SAC Capital, Sanofi, Toyobo, and Walgreens.

Memberships

New Jersey Bar; New York Bar; DC Bar; admitted to practice before several federal courts.

Education

Fairfield University (BA, 1984); University of Pennsylvania Law School (JD, 1987).

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