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    Home /  Lawyers /  Daniel J. Richardson

    Daniel J. Richardson

    Associate

    Daniel J. Richardson Headshot Photo Portrait backdrop

    Washington, D.C.

    +1-202-956-7500

    |

    richardsond@sullcrom.com

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    Dan Richardson is an associate in Sullivan & Cromwell’s Litigation Group and a member of the Firm’s Supreme Court and Appellate Practice and Antitrust Group. His practice focuses on complex civil litigation and appeals related to antitrust, intellectual property, and securities.

    Mr. Richardson maintains an active pro bono practice focused on protecting the rights of transgender youth. He has represented minor plaintiffs in a challenge to a state ban on gender-affirming medical care and has authored briefs in cases involving transgender discrimination in public schools.

    After graduating the University of Virginia Law School—where he was selected as the Editor-in-Chief of the Virginia Law Review and was awarded the Faculty Award for Academic Excellence as the top student in his class—Mr. Richardson clerked for Justice Stephen G. Breyer of the Supreme Court of the United States and Judge J. Harvie Wilkinson III of the U.S. Court of Appeals for the Fourth Circuit. He also served as a Bristow Fellow in the Office of the Solicitor General at the U.S. Department of Justice.

    Mr. Richardson serves on the Intellectual Property Committee of the ABA Antitrust Section.

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    Spotlight

    Joseph Matelis and Daniel Richardson Win Burton Award for Distinguished Legal Writing

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    • Experience
    • Publications, Videos and Podcasts
    • Credentials
    • Related Practices
    Experience

    Experience

    Antitrust:

    • Duke Energy in an appeal before the Fourth Circuit defending a judgment dismissing antitrust claims brought by a competitor.
    • Amgen, Inc. in its $28 billion acquisition of Horizon Therapeutics, plc.
    • Goldman Sachs in a class-action lawsuit related to securities lending.

    Intellectual Property:

    • Ocado Group in a patent appeal before the Federal Circuit.
    • BMC Software in an appeal before the Fifth Circuit defending a $1.6 billion judgment against a competitor for violating a software licensing agreement.
    • A major U.S. technology company challenging anticompetitive patent litigation practices.

    Securities:

    • Volkswagen Group of America and Volkswagen AG in a private securities class action.
    • The Chamber of Commerce as amicus in a brief to Fourth Circuit about public-company disclosures regarding cybersecurity risk.
    • The Chamber of Commerce as amicus in a brief to the D.C. Circuit challenging the SEC’s treatment of securities tied to digital assets
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    Publications, Videos and Podcasts

    Publications, Videos and Podcasts

    • S&C Supreme Court Business Review – October Term 2021

      Emerging Issues August 3, 2022
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    Credentials

    Credentials

    Education

    • University of Virginia School of Law, J.D., 2018
    • James Madison University, B.A., 2012
    • James Madison University, B.S., 2012

    Bar Admissions

    • District of Columbia
    • Virginia

    Clerkships

    • The Honorable Stephen G. Breyer, United States Supreme Court, 2020-2021
    • The Honorable J. Harvie Wilkinson III, United States Court of Appeals, Fourth Circuit, 2018-2019
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    Related Practices

    Related Practices

    • Litigation
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