M. Sean Royall - Gibson Dunn LLP
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M. Sean Royall

Listed in Best Lawyers since 2006
Phone: 214-698-3256

M. Sean Royall, a Gibson Dunn partner specializing in antitrust and consumer protection law, co-chairs both the Firm’s Antitrust and Competition Practice Group, as well as the Information Technology and Data Privacy Practice Group.

Mr. Royall served as Deputy Director of the Bureau of Competition at the Federal Trade Commission in Washington, DC from 2001 through 2003 and played a key role in shaping and overseeing the agency’s antitrust enforcement agenda, both in the merger and non-merger areas.  While at the FTC, Mr. Royall acted as lead trial counsel in the agency’s groundbreaking suit against computer chip designer Rambus Inc., a case involving patent-related monopolization claims and allegations of deception in the standard-setting context.  He also served as the lead lawyer in the FTC’s review of many high-profile mergers and acquisitions, including Pepsi/Quaker Oats,Pillsbury/General Mills, Monster/HotJobs.com, andChevron/Texaco.

Mr. Royall has spent his entire legal career – both in and outside government – litigating complex antitrust, consumer protection, intellectual property, and other commercial disputes involving a diverse range of industries, including pharmaceuticals, healthcare, computers and computer software, semiconductors, oil and gas, petrochemicals, entertainment and ticketing, gaming equipment, pet foods, food and beverages, defense, airlines, financial services, telecommunications, and avionics.

In addition to his litigation practice, Mr. Royall regularly represents clients before the Federal Trade Commission and Department of Justice in antitrust and consumer protection matters; counsels firms on mergers and acquisitions, joint ventures, distribution arrangements, and intellectual property licenses; consults on advertising, consumer protection, and privacy/data security issues; and assists large corporations with various legal compliance matters.

University of ChicagoJ.D. Texas A&M UniversityBS

Office Location

2100 McKinney Avenue, Suite 1100
Dallas, TX 75201-6912
United States

Lawyer of the Year Awards

2013 Lawyer of the Year in Antitrust Law of the Dallas Metro Area
M. Sean Royall has earned a Lawyer of the Year award for 2013!

Practice Areas

Antitrust Law
Litigation - Antitrust