Bradley J. Pierson

Bradley J. Pierson

Associate, Antitrust/Competition


Bradley Pierson has advised a variety of clients in antitrust matters before the U.S. Department of Justice (DOJ) and the Federal Trade Commission (FTC) regarding numerous M&A transactions.

Mr. Pierson’s representations include:

  • Activision Blizzard Inc. in its pending $75 billion acquisition by Microsoft Corporation
  • Sprint Corporation in its $59 billion combination with T-Mobile US, Inc.
  • CME Group Inc. in its joint venture with IHS Markit Ltd. to combine their post-trade services
  • Esterline Technologies Corporation in its $4 billion acquisition by TransDigm Group Inc.
  • Pinnacle Entertainment Inc. in its $2.8 billion acquisition by Penn National Gaming Inc.

Mr. Pierson’s litigation experience includes defending:

  • Activision Blizzard Inc. in a challenge brought by the FTC to block its proposed acquisition by Microsoft Corporation
  • Sabre Corporation in a challenge brought by the DOJ to block its acquisition of Farelogix Inc.
  • Sprint in a challenge brought by 13 states and the District of Columbia to block its merger with T-Mobile

In addition, he has represented clients in government investigations arising from a variety of alleged antitrust violations, including in matters involving one of the world’s largest technology companies. He also advises clients on joint ventures, competitor collaborations, unilateral conduct, and pricing and distribution issues. In recognition of his work, Mr. Pierson was named one of Best Lawyers’ 2024 Ones To Watch in America.

Mr. Pierson has represented several pro bono clients in immigration matters.



  • J.D., University of Virginia School of Law, 2017
  • B.A., Purdue University, 2014
  • B.S., Purdue University, 2014


  • New York

Bradley J. Pierson

Associate, Antitrust/Competition