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    Samantha F. Hynes

    Partner

    Washington, D.C. +1-202-956-7500
    hyness@sullcrom.com
    Samantha F. Hynes Headshot Photo

    Washington, D.C.

    +1-202-956-7500

    |

    hyness@sullcrom.com

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    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.

    Spotlight

    S&C Advises Tessenderlo on $400 Million Strategic Investment in FMC Corporation

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    S&C Advises Aurobindo on $250 Million Acquisition of Lannett

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    S&C Advises Merck KGaA on $11.3 Billion Acquisition of Bio-Techne

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    S&C Helps Seagen Obtain Global Antitrust and Regulatory Clearances for $43 Billion Acquisition by Pfizer

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    S&C Advises Amgen in Obtaining FTC and Global Clearances of Its $27.8 Billion Acquisition of Horizon Therapeutics, Leading to Deal’s Closing

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    Experience

    • American Express Company in its $400 million acquisition of Tock from Squarespace
    • Nexus Pharmaceuticals in the sale of its injectable medicine manufacturing facility to Eli Lilly and Company
    • NMG, parent company of Neiman Marcus and Bergdorf Goodman, in its $2.65 billion pending acquisition by HBC, parent company of Saks Fifth Avenue
    • Subway in its acquisition by Roark Capital
    • Amazon in its $13.4 billion acquisition of Whole Foods

    • Amgen in its $27.8 billion acquisition of Horizon Therapeutics plc, including in resolving litigation brought by the Federal Trade Commission challenging the transaction
    • 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
    • Seagen in its $43 billion acquisition by Pfizer
    • 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 

    Rankings and Recognitions

    • Named to Benchmark Litigation’s “40 and Under” list (2024–2025)
    • Ranked Band 5 in D.C. Antitrust by Chambers USA (2024–2026)
    • Named a “D.C. Rising Star” by The National Law Journal (2022)
    • Named a “Rising Star” in Competition by Law360 (2022)
    • Named a “Rising Star” in Competition and Antitrust by Euromoney Legal Media Group’s Expert Guide (2021)
    • Recognized by Best Lawyers’ Ones to Watch for Commercial Litigation (2021–2024) and Antitrust Law (2023–2024)
    • Named by Law360 to its Competition Editorial Advisory Board (2023–2025)

    News

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    Publications, Videos and Podcasts

    Credentials

    Education

    • Georgetown University Law Center, J.D., 2013
    • William & Mary, B.A., 2010

    Bar Admissions

    • District of Columbia
    • New York

    Related Practices