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Samantha F. Hynes


Samantha F. Hynes

Washington, D.C. +1-202-956-7500+1-202-956-7500 +1-202-293-6330+1-202-293-6330
[email protected]
Samantha Hynes is a partner in the Firm’s Litigation Group. Her practice focuses on antitrust matters, including civil litigation and merger reviews at the U.S. Department of Justice and the Federal Trade Commission, and also includes commercial litigation matters. The clients she has represented span a variety of industries, such as airlines, automobiles, financial services, food and grocery, industrial gases, oil and gas exploration and production, paper and print services, and pharmaceuticals.
Rankings and Recognitions
  • Named a 2022 “Rising Star” in Competition by Law360
  • Named a 2021 “Rising Star” in Competition and Antitrust by Euromoney Legal Media Group’s Expert Guide 
  • Recognized by Best Lawyers’ Ones to Watch for Commercial Litigation (2021, 2022, 2023) and Antitrust Law (2023)


  • Amazon in its $13.4 billion acquisition of Whole Foods
  • Amgen in its $13.4 billion acquisition of Otezla from Celgene
  • Baxter International Inc. on its $10.5 billion acquisition of Hill-Rom Holdings, Inc.
  • Canadian Pacific Railways Limited in its $31 billion deal to acquire Kansas City Southern
  • Praxair in its $80 billion merger with Linde
  • Uber Freight in its $2.25 billion acquisition of Transplace
  • Kraft Foods in its $60 billion merger with H.J. Heinz
  • Andeavor in its $35.6 billion sale to Marathon Petroleum
  • Tesoro in its $6.4 billion acquisition of Western Refining
  • International Airlines Group in its €1.4 billion acquisition of Aer Lingus
  • NewPage in its $1.4 billion sale to Verso
  • U.S. Bank on its strategic alliance with State Farm 
  • Stellantis (formerly Fiat Chrysler Automobiles) on its $249 million sale of portions of its cast iron engine block and cylinder head business, Teksid, to Tupy
  • Valeant in its $475 million acquisition of PreCision Dermatology
  • Volkswagen, Audi, and Porsche in defending against multidistrict antitrust litigation alleging that defendants conspired to unlawfully increase the prices of German luxury vehicles by agreeing to share commercially sensitive information and to reach unlawful agreements regarding technology, costs, and suppliers
  • Major League Baseball in successfully defeating an attempt to force MLB to return all star game to Atlanta
  • Fiat Chrysler in defending against RICO claims asserted by General Motors arising out of improper payments by former Fiat Chrysler employees to former UAW employees
  • A former director of Sears in defending claims by the bankruptcy estate seeking almost $2 billion
  • BP p.l.c. in a consolidated securities fraud class action arising out of the 2010 Deepwater Horizon explosion and subsequent Gulf of Mexico oil spill