2100 McKinney Avenue, Suite 1100, Dallas, TX 75201-6912 USA
1050 Connecticut Avenue, N.W. , Washington, DC 20036-5306 USA
M. Sean Royall is a Gibson Dunn partner focusing on antitrust and consumer protection law and co-chairs the Firm’s Antitrust and Competition Practice Group.
BTI Consulting named Mr. Royall to its 2017 BTI Client Service All-Stars List, recognizing lawyers “who truly stand out as delivering the absolute best client service.”
Law360 named Mr. Royall to its 2015 list of MVPs in Antitrust. The list profiled those “elite attorneys whose successes in high-stakes litigation, record-breaking deals and complex global matters earned them a spot on this year’s list of MVP award winners.” He was one of eight lawyers nationwide featured in the antitrust category and was recognized for his work representing Sanofi-Aventis in a novel FCA case and AT&T in connection with its merger with DirecTV. National Law Journal also named him among its 2015 Mergers & Acquisitions and Antitrust Trailblazers for his involvement in many notable mergers and antitrust litigations over the past two-plus decades, and more recently, his role in the dismissal of two significant cases against Sanofi-Aventis and Allergan.
Consistently renowned as a leader in antitrust, Mr. Royall has been honored by Chambers USA: America’s Leading Business Lawyers for over a decade in Texas Antitrust Tier 1 category. He was named Antitrust “Lawyer of the Year” in Dallas by The Best Lawyers in America as well as named a Life Science Star for non IP-litigation by LMG Life Sciences and a Litigation Star by Benchmark Litigation Guide in the National Antitrust and Texas categories. He has also been recognized by Who’s Who Legal for Competition and Super Lawyers.
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, and Chevron/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.
Mr. Royall received his law degree from University of Chicago Law School, where he graduated cum laude in 1990. He served as the Managing Editor of Law Review and named a Tony Patiño Fellow, a merit-based award to law students who demonstrate leadership, a commitment to public service, and outstanding academic and personal achievement. He holds a B.S. in Economics from Texas A&M University, where he graduated magna cum laude in 1986. He received the Texas A&M Alfred Chalk Award for being the top economics graduate and was elected Student Body President.
Mr. Royall previously served as a judicial clerk to The Honorable Patrick E. Higginbotham of the U.S. Court of Appeals for the Fifth Circuit in Dallas, Texas, in 1990-91. He also served as the Special Assistant for State Projects to United States Senator Phil Gramm in Washington, D.C. from 1986-1987.
Other representative clients for Mr. Royall include 3M Company, Myspace, eBay, Frito-Lay, Sony, Dell, PepsiCo, Sempra Energy, Weight Watchers, and Tenet Healthcare.
University of Chicago - 1990 Juris Doctor
Texas A&M University - 1986 Bachelor of Science