Ranked in 1 Practice Areas

Star Individuals

Litigation: Trial Lawyers

USA

10 Years Ranked

Ranked in Guides

About

Provided by Diane P Sullivan

Global

Practice Areas

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, Campbell Soup Company, ESPN, ExxonMobil, Frontier Communications, General Electric, Merck, Philip Morris USA, Procter & Gamble, Repsol, SAC Capital, Sanofi, Toyobo, and Walgreens.

Professional Memberships

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

Personal

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

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Weil, Gotshal & Manges LLP

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Corporate/M&A: Hong Kong-based (International Firms)

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Up and Coming

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3
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Corporate/M&A: High-end Capability

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S
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S
Senior Statespeople
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Band 2
Litigation: Elite

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Germany

Corporate/M&A: Mid-Market

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2
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2
Band 2
Dispute Resolution: Litigation

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5
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Band 5

UK

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Band 6
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Band 2
Competition Law

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Band 2
Private Equity: Buyouts

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Eminent Practitioners
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