Overview
Gina Tonn represents clients in complex civil litigation across both the public and private sectors, focusing on antitrust and competition, intellectual property and false advertising, employment, and constitutional matters.
Gina balances the details with the big picture in everything she does, and deftly pairs clear and incisive legal analysis with compelling storytelling. Drawing on her substantial federal litigation and clerkship experience, Gina offers clients a deep understanding of the federal court system and provides informed guidance at every stage of litigation—from complaint through appeal. Gina leverages her experience with discovery in complex litigation in federal courts to offer nuanced insight into the practical and substantive value of strategically investigating and developing the record of her client’s cases.
Before joining Greene Espel, Gina clerked for The Honorable Jane Kelly of the U.S. Court of Appeals for the Eighth Circuit and The Honorable John R. Tunheim of the U.S. District Court for the District of Minnesota. Gina is a graduate of the University of Minnesota Law School, where she served as Editor-in-Chief of the Minnesota Law Review. While in law school, Gina was a student director of the Federal Immigration Litigation Clinic and worked as a law clerk in the University’s Office of the General Counsel.
Gina is active in the legal community, mentoring students as an adjunct professor at the University of Minnesota Law School (2025-26), editing the quarterly Bar Talk newsletter for the Minnesota Chapter of the Federal Bar Association, and volunteering through the Advocates for Human Rights.
EDUCATION
- J.D., University of Minnesota Law School, magna cum laude, Order of the Coif; Editor-in-Chief, Minnesota Law Review
- B.A., St. Olaf College, summa cum laude, Economics and Religion with distinction
EXPERIENCE
- Law Clerk, U.S. Court of Appeals for the Eighth Circuit, The Honorable Jane Kelly
- Law Clerk, U.S. District Court for the District of Minnesota, The Honorable John R. Tunheim
ADMISSIONS
- State Bar of Illinois
- State Bar of Minnesota
- U.S. District Court for the District of Minnesota
AFFILIATIONS
- Federal Bar Association
- Minnesota State Bar Association
Gina's Practice Areas
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Antitrust and Competition
Explore Practice AreaGreene 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
Explore Practice Area“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
Explore Practice AreaOur 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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Employment Litigation
Explore Practice AreaBusinesses, public institutions, and individuals seek out Greene Espel for representation in a wide range of employment-litigation matters.
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False Claims Act and Health Care Litigation
Explore Practice AreaWe have the experience to help clients—particularly those in the healthcare industry—navigate the ever-expanding breadth of False Claims Act (“FCA”) and health care litigation. We have achieved success for our clients at every phase—conducting thorough investigations, persuading government agencies not to intervene in whistleblower suits, obtaining dismissals through motion practice, negotiating favorable settlements with government agencies and relators, and taking cases through litigation and trial.
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Non-Compete Disputes and Litigation
Explore Practice AreaEmployees come and go. When their departures implicate legal obligations, Greene Espel can help. Greene Espel mobilizes immediately when clients must seek, or defend against, expedited injunction motions that may arise when employees move from one job to another.
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Constitutional Litigation
Explore Practice AreaConstitutional litigation is a cornerstone of Greene Espel’s practice. We represent individuals, private businesses, and government entities where their actions raise constitutional issues.
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Local Government Defense
Explore Practice AreaLocal government defense is a cornerstone of Greene Espel’s practice.
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Copyright Litigation
Explore Practice AreaGreene Espel is frequently called upon to protect copyright interests as well as defend against claims of copyright infringement.
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Trademark Litigation
Explore Practice AreaFrom premier brand-owners to niche device manufacturers, clients seek Greene Espel’s counsel in complex disputes involving trademarks.
Gina's Recognition & Awards
- 2023 Attorney of the Year, Minnesota Lawyer
- 2020 Sidney J. Kaplan Legal Scholarship Fund Award, University of Minnesota Law School
Gina's Community Involvement
- Volunteer Attorney, The Advocates for Human Rights