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    Home /  Lawyers /  Yvonne S. Quinn

    Yvonne S. Quinn

    Of Counsel

    Yvonne S. Quinn Headshot Photo Portrait backdrop

    New York

    +1-212-558-4000

    |

    quinny@sullcrom.com

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    Yvonne Quinn is a member of the Firm’s Litigation Group. Her practice focuses on antitrust litigation, merger analysis and review, and counseling work.

    Ms. Quinn’s clients include leading commercial banks, equity funds, investment banks, insurance companies, cable television operators, television programming suppliers, newspapers, publishers, sports franchise owners, advertising sales and healthcare companies, pharmaceutical and chemical companies, and many others.

    Ms. Quinn has been a co-chair of the Practising Law Institute’s Annual Antitrust Law Institute in New York since 2001 and has taught the mergers and acquisitions portion of the Institute since 1995. She is a member of the Executive Committee of the Antitrust Section of the New York State Bar Association and a vice chair of the Financial Services Committee of the Antitrust Section of the American Bar Association. From 1989 to 1992, she was the chair of the Antitrust and Trade Regulation Committee of the New York City Bar Association.

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    • Rankings and Recognitions
    • News
    • Credentials
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    Rankings and Recognitions

    Rankings and Recognitions

    Ms. Quinn has been recognized as a leading antitrust practitioner in, among other guides to the legal profession:

    • Benchmark Litigation – National Practice Area Star: Antitrust (2019); Local Litigation Star (2008–2019); Litigation Star (2008–2018); and Top 250 Women in Litigation (2012–2018)
    • Chambers USA (2003–2024)
    • Chambers Global (2003, 2004–2005, 2011–2020)
    • The Legal 500 United States (2007, 2009, 2011–2018)

    • Law Business Research’s The International Who’s Who of Competition Lawyers and The International Who’s Who of Business Lawyers
    • Euromoney’s Guide to the World’s Leading Competition and Antitrust Lawyers (every year since 1998)
    • The Best Lawyers in America (2007–2024)
    • Lawdragon 3000: Leading Lawyers in America (2009–2010) and Lawdragon 500: Leading Lawyers in America (finalist)
    • New York Super Lawyers (2006–2022)
    • Lawdragon: Recognized as one of the “500 Leading Litigators in America” (2023–2025)
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    News

    News

    • S&C Guides MSG Entertainment Through Spin-off of Traditional Live Entertainment Business

      May 1, 2023
    • S&C Advises Credit Suisse in Sale of Significant Portion of Securitized Products Group to Apollo Affiliates

      March 9, 2023
    • Yvonne Quinn Speaks at PLI’s “Developments in Antitrust Law & Regulation 2020”

      May 14, 2020
    • Unified Grocers Completes $390 Million Acquisition by SUPERVALU

      June 23, 2017
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    Credentials

    Credentials

    Education

    • University of Michigan, M.A., 1977
    • University of Michigan Law School, J.D., 1976
    • University of Illinois, B.A., 1973

    Bar Admissions

    • New York
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    Related Practices

    Related Practices

    • Litigation
    • Antitrust
    • Consumer & Retail
    • Criminal Defense & Investigations
    • Financial Services
    • Payments
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