Thomas Pak advises on mergers and acquisitions, licensing and distribution agreements, government investigations and private litigation.


In the M&A context, Mr. Pak has provided preliminary advice to clients on the potential antitrust risks associated with contemplated transactions, assisted them in preparing Hart-Scott-Rodino and other applicable regulatory filings, and has represented them before the U.S. Department of Justice, Federal Trade Commission, and other state and federal enforcement agencies investigating pending or completed transactions. He also has acted as counsel in antitrust litigation in both federal and state courts, representing both plaintiffs and defendants, in cases that have raised important issues relating to mergers, class action certification, intellectual property, exemptions and immunities, price-fixing, group boycotts, monopolization and price discrimination, among others. Additionally, Mr. Pak has provided advice to clients in licensing and distribution matters, including the licensing of intellectual property, dealer terminations and price discrimination.

Mr. Pak’s representations have included:

  • Goldman Sachs Group, Inc. in the sale of its stake in the YES Network to News Corporation;
  • Express Scripts, Inc. its acquisition of Medco, as well as in its acquisition by Cigna;
  • Wm. Wrigley Jr. Company in its $23 billion acquisition by Mars, Incorporated;
  • Dupont in its merger with Dow Chemicals; and
  • E & J Gallo in its acquisition of certain wine businesses from Constellation Brands.



  • J.D., Columbia University School of Law 1992 (Member and Articles Editor, Columbia Law Review; Harlan Fiske Stone Scholar)
  • B.A., Yale University, 1986 (cum laude)


  • New York


  • Law Clerk, Hon. Reena Raggi, Eastern District of New York (1992-1993)

Thomas Pak

Counsel, Antitrust/Competition