Ranked in 4 Practice Areas

Star Individuals

Litigation: Trial Lawyers

USA - Nationwide

11 Years Ranked

1

Band 1

Product Liability & Mass Torts

USA - Nationwide

15 Years Ranked

1

Band 1

Litigation: General Commercial

New Jersey

13 Years Ranked

1

Band 1

Litigation: Product Liability

New Jersey

5 Years Ranked

Ranked in Guides

About

Provided by Diane P Sullivan

USA

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, 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.

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).

Chambers Review

Provided by Chambers

USA

Litigation: Trial Lawyers - USA - Nationwide
Star Individuals

Diane Sullivan is renowned for her trial work, with particular expertise defending large medical device and pharmaceutical companies in major product liability trials, including high-stakes mass torts. She is based in the New York office at Weil.


Product Liability & Mass Torts - USA - Nationwide
1
Band 1

Diane Sullivan is an esteemed trial lawyer with experience acting as lead counsel on numerous market-leading mass torts. Alongside her experience in representing Fortune 500 companies on nationwide talc litigation, she is also active in environmental and natural resource cases.


Litigation: General Commercial - New Jersey
1
Band 1

Diane Sullivan of Weil, Gotshal & Manges comes highly recommended for her handling of high-profile product liability claims and commercial disputes.


Litigation: Product Liability - New Jersey
1
Band 1

Diane Sullivan of Weil, Gotshal & Manges comes highly recommended for her handling of high-profile product liability claims and commercial disputes.

Strengths

Provided by Chambers

Discover other Lawyers at
Weil, Gotshal & Manges LLP

Provided by Chambers
Filter by
Band

California

Banking & Finance

Gabriel F Gregson
2
Gabriel F Gregson
2
Band 2
Intellectual Property: Patent Litigation

Edward R Reines
2
Edward R Reines
2
Band 2
Derek C Walter
5
Derek C Walter
5
Band 5
Life Sciences: IP/Patent Litigation

Edward R Reines
1
Edward R Reines
1
Band 1
Derek C Walter
3
Derek C Walter
3
Band 3
Litigation: General Commercial

David R Singh
3
David R Singh
3
Band 3
Bambo Obaro
4
Bambo Obaro
4
Band 4
Private Equity: Buyouts

Craig Adas
2
Craig Adas
2
Band 2
Kyle C Krpata
2
Kyle C Krpata
2
Band 2
Tana M Ryan
3
Tana M Ryan
3
Band 3
Technology

Karen N Ballack
1
Karen N Ballack
1
Band 1
Max Scott
U
Max Scott
U
Up and Coming

California: Northern

Tax

Jason R Vollbracht
4
Jason R Vollbracht
4
Band 4

California: San Francisco, Silicon Valley & Surro

Corporate/M&A

Craig Adas
4
Craig Adas
4
Band 4
Kyle C Krpata
4
Kyle C Krpata
4
Band 4

District of Columbia

Antitrust

Jeffrey H. Perry
2
Jeffrey H. Perry
2
Band 2
Michael Moiseyev
2
Michael Moiseyev
Head of Antitrust
2
Band 2
John E Scribner
4
John E Scribner
4
Band 4
Brianne Kucerik
U
Brianne Kucerik
Head of Antitrust
U
Up and Coming
Megan Granger
U
Megan Granger
U
Up and Coming
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