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Holley represents clients in business disputes and trademark and copyright litigation. She thoughtfully approaches each case from start to finish, considering the client’s goals and advocating strategically at every phase of the litigation.

Holley’s experience includes representing business clients, from start-up to Fortune 100 companies, in matters ranging from breach-of-contract claims, to complex coordinated antitrust litigation, to trust instruction proceedings. She relishes getting into the details and learning the client’s business to allow her to advocate effectively whether over the scope of discovery or dispositive motions.

Holley also regularly represents clients in copyright and trademark infringement lawsuits in federal court and has appeared before the Trademark Trial and Appeal Board. For example, she won a preliminary injunction under the Lanham Act against a company for distributing counterfeit goods and was recognized as an “Attorney of the Year” for this work. She brings that litigation experience to bear when assisting clients outside the courtroom, such as in pre-litigation counseling and negotiations, to understand their intellectual property rights and potential issues.

Holley maintains an active pro bono practice, primarily representing children in foster-care-related legal proceedings, and also supports that work by serving on the board of the Children’s Law Center of Minnesota.


  • J.D., Stanford Law School; Hilmer Oehlmann, Jr. Award for Outstanding Performance in Federal Litigation; Co-Editor-in-Chief, Stanford Technology Law Review
  • B.A., Duke University, summa cum laude, English, with minors in Art History and Mandarin Chinese, Phi Beta Kappa


  • Irell & Manella PLLP, Associate
  • United States District Court for the District of Minnesota, Judge Joan N. Ericksen, Law Clerk
  • Macy’s Merchandising Group, Associate Product Manager


  • U.S. Court of Appeals for the Third Circuit

  • U.S. Court of Appeals for the Sixth Circuit

  • U.S. District Court for the Central District of California
  • U.S. District Court for the Eastern District Court of California
  • U.S. District Court for the Northern District of California 
  • U.S. District Court for the Eastern District of Michigan
  • U.S. District Court for the District of Minnesota
  • State Bar of California
  • State Bar of Minnesota



  • American Intellectual Property Law Association
    • AIPLA Quarterly Journal Editorial Board Member (2021-present)

  • Federal Bar Association, Minnesota Chapter 
    • Antitrust Committee Co-Chair (2024-present)
    • Community Outreach Committee Member (2020-2022)
  • University of Minnesota Law School Adjunct Professor (Spring 2021)

  • Minnesota Women Lawyers 
  • The Honorable Jimmie V. Reyna Intellectual Property American Inn of Court


  • French (fluent)
  • Mandarin (familiar)

Holley's Practice Areas

  • Antitrust and Competition

    Greene Espel can help you navigate antitrust and competition investigations, government enforcement actions, white collar criminal investigations and litigation, trial and appellate litigation, and compliance counseling.

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  • Appellate

    “What’s next?” Greene Espel can guide you through the appellate process, providing an objective assessment of the pivotal issues, developing a strategy based on how appellate judges are likely to view a case in light of legal, institutional, and policy considerations, and advocating effectively.

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  • Commercial Litigation

    Our business litigation practice embraces the wide variety of commercial disputes facing private and public companies today. Areas of particular expertise include intellectual property, antitrust, securities, employment, professional liability, and construction disputes.

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  • Class Actions

    Clients regularly turn to Greene Espel when faced with high-stakes, class-action litigation. Greene Espel attorneys have defended dozens of putative class actions in federal and state courts all across the country.

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  • Employment Litigation

    Businesses, public institutions, and individuals seek out Greene Espel for representation in a wide range of employment-litigation matters. 

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  • Local Government Defense

    Local government defense is a cornerstone of Greene Espel’s practice.

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  • Copyright Litigation

    Greene Espel is frequently called upon to protect copyright interests as well as defend against claims of copyright infringement.

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  • Securities Litigation

    Institutional investors and public companies alike have turned to Greene Espel in high-stakes securities litigation: fraud cases, multi-million-dollar battles over the terms of securities, class actions, shareholder disputes, RMBS, and more. 

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  • Patent Litigation

    From lead medical-device companies to major high-tech manufacturers, clients turn to Greene Espel to represent them in significant disputes involving patents and other intellectual property rights.

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Holley's Recognition & Awards

  • 2023 Attorney of the Year, Minnesota Lawyer
  • 2021 Attorney of the YearMinnesota Lawyer
  • Listed in Best Lawyers: Ones to Watch (2021-2024)
  • Rising Star, Minnesota Super Lawyers (2020-2023)
  • Recognized as Up and Coming Attorney, Minnesota Lawyer (2019)
  • Recognized as Minnesota State Bar Association North Star Lawyer for pro bono service (2018-2019)
  • Appointed to a Merit Selection Panel by Chief Judge John R. Tunheim to advise the U.S. District Court of the District of Minnesota on the reappointment of U.S. Magistrate Judge Tony N. Leung (July 2018)
  • Featured in a “Pro Bono Spotlight” by the Inner City Law Center of Los Angeles, CA, for her pro bono representation of veterans (Sept. 2015)
  • Hilmer Oehlmann, Jr. Award for Outstanding Performance in Federal Litigation (Spring 2010)

Holley's Community Involvement


  • Children's Law Center of Minnesota
    • Board Member (2020-present)
    • Co-Chair, Development Committee (2023-present)
  • Girls on the Run Twin Cities
    • Board Member (2019-2023)
    • Co-Chair of Associate Board (2019-2020)
    • Special Events Committee Member (2016-2019)
  • Fourth Generation (a program of the Minneapolis Foundation), Volunteer Grantmaker (2017-2018)
  • Los Angeles Intellectual Property Law Association, Chair of Copyright and Trademark committee (2014-2015); Co-Chair of Washington in the West committee (2013-2014)


February 6, 2024
Holley Horrell Elected to Serve as Vice Chair of the Children's Law Center of Minnesota's Board of Directors
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January 10, 2024
Cargill and Greene Espel Attorneys Recognized by Minnesota Lawyer as 2023 Attorneys of the Year
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February 1, 2023
Rule 16 Initial Scheduling Conferences and Learning About Opposing Parties' ESI and Preservation, Guest Lecturer, University of Minnesota Law School
October 1, 2022
"Preparing to Defend a Deposition," Winning Strategies for Today's Deposition Practice, Minnesota CLE


October 28, 2019
‘Willful' Thinking: Supreme Court Set To Clarify When Trademark Owners May Recover Profit Awards, Article,
January 8, 2018
Case Update and Potential Implications for Patent Owners: Wi-Fi One, LLC v. Broadcom Corp. (Fed. Cir. 2017), Article

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