Aidan Synnott - Paul, Weiss, Rifkind, Wharton & Garrison LLP

Aidan Synnott

Listed in Best Lawyers since 2013

A partner in the Litigation Department and co-chair of the Antitrust Practice Group, Aidan Synnott focuses on antitrust litigation and compliance, intellectual property litigation and other complex commercial litigation.

Additional Information


Aidan's antitrust litigations representations include:

  • The Nielsen Company, the leading provider of television ratings in the United States, in winning summary judgment before the U.S. District Court for the Southern District of Florida, and confirming the victory on appeal to the  U.S. Court of Appeals for the Eleventh Circuit, in a monopolization case brought by Sunbeam Television Corp., the FOX affiliate station in Miami. Sunbeam had claimed that Nielsen's rollout of a new ratings measurement methodology was a violation of Section 2 of the Sherman Act. Sunbeam Television Corp. v. Nielsen Media Research, Inc., 763 F. Supp.2d 1341 (S.D. Fl. 2011), aff'd, 711 F.3d 1264 (11th Cir. 2013);
  • The successful defense of Dun & Bradstreet, ACNielsen and IMS Inc. in a federal antitrust action brought by a large competitor, obtaining dismissal of the case on a pre-trial motion. Information Resources, Inc. v. Dun& Bradstreet Corp., 359 F. Supp. 2d 307 (S.D.N.Y. 2004);
  • For the New York City Transit Authority, obtaining dismissal of a claim for attempted monopolization of the market for bus simulators. Doron Precision Systems, Inc. v. FAAC, Inc., 423 F. Supp. 2d 173 (S.D.N.Y. 2006);
  • Acumen Brands, Inc., a leading retailer of western apparel, in obtaining dismissal, with prejudice, of a monopolization case brought by a competitor. Sell It Social, LLC v. Acumen Brands, Inc., 2015-1 Trade Cases P 79,114 (S.D.N.Y. 2015);
National University of Ireland The Honorable Society of King's InnsUniversity of Michigan Law SchoolLL.M 1989

Office Location

1285 Avenue of the Americas
New York, NY 10019-6064
United States

Practice Areas

Litigation - Antitrust