Peter Sullivan - Gibson Dunn LLP
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Peter Sullivan

Listed in Best Lawyers since 2006
Phone: 212-351-5370

Peter Sullivan is a partner in the New York and Brussels offices of Gibson, Dunn & Crutcher.  Mr. Sullivan is a long-time Co-Chair of Gibson Dunn’s Antitrust and Competition Practice Group and, as such, oversees Gibson Dunn’s international antitrust practice.  He is also a member of Gibson Dunn’s Litigation and Class Actions Practice Groups.

Mr. Sullivan has been practicing in the antitrust and complex litigation areas for over 30 years.  His practice involves all aspects of antitrust enforcement, including civil, international, criminal and merger matters and governmental investigations, as well as related unfair competition and consumer issues.  Mr. Sullivan also has a diverse and complex litigation practice emphasizing antitrust and consumer class actions with matters across the country.  His clients include entities in the United States, the Netherlands, Japan, the United Kingdom, Switzerland, Germany, Israel, Russia and Canada in the high-technology, financial services, motor vehicle, airline, restaurant, medical supply, steel, television, hospitality, entertainment, packaging, chemical, manufacturing and communications industries. 

Mr. Sullivan counsels clients on litigation and competition concerns, providing strategic advice and direction.  He also regularly advises clients on multifaceted distribution issues, particularly with respect to the relationships between manufacturers and their dealers/distributors, including issues related to:  dealer agreements, dealer pricing (including price discrimination issues), dual distribution, territorial and customer limitations, terminations and exclusive arrangements.  He also advises clients with respect to their relationships with competitors including issues related to joint ventures, joint development ventures and joint purchasing arrangements, among many other matters.  Mr. Sullivan has represented some of the world’s most recognizable brands in difficult and complex mergers and joint venture agreements.

Mr. Sullivan has long been ranked as a leading antitrust lawyer by Chambers USA:  America’s Leading Lawyers for Business.  This year the publication summed up its assessment of Mr. Sullivan by stating that he simply does a “fabulous job.”  Commenting on his New York antitrust team, one client reported to Chambers:  “The team truly partners with us and takes an interest in learning the nuances of our business, to provide highly customized advice.  I also appreciate its commitment to work within our budget.

Mr. Sullivan is listed in other publications that rank the world’s leading antitrust practitioners as well, including Who’s Who LegalGlobal Competition Review 2010Euromoney Legal Group’s Guide to the World’s Leading Competition and Antitrust LawyersMondaq’s Guide to Leading Competition Attorneys and The Best Lawyers in America© (published inThe New York Times). 

Mr. Sullivan received his Juris Doctor, cum laude, in 1977 from Fordham Law School, where he was an articles editor of the Law Review.  He earned his Bachelor of Arts degree from Columbia University. 

Mr. Sullivan is a member of the New York and California Bars, the ABA, IBA and the Antitrust and Litigation Sections of the California State Bar.  He is admitted to practice before the United States Supreme Court, the Federal Circuit and the Second, Fourth, Ninth and District of Columbia Circuits.

With respect to his practice in the European Union, Mr. Sullivan is a fully qualified EU member state practitioner by virtue of the fact that he is a qualified Solicitor and a member of the Law Society of England and Wales.  

Columbia UniversityBA Fordham UniversityJ.D.

Office Location

200 Park Avenue
New York, NY 10166-0193
United States

Practice Areas

Antitrust Law
Litigation - Antitrust