Marc A.Weinroth


Miami + 1.305.714.9757

Marc Weinroth litigates commercial disputes and defends clients in class actions and multidistrict litigation. Marc utilizes a practical approach informed by his own in-house background to help clients navigate complex issues from both legal and business perspectives. He has significant sports law experience involving litigation, transactions, and internal investigations.

Marc's recent sports-related matters include representing universities in concussion lawsuits brought by former football student-athletes in state court actions and a federal multidistrict litigation consolidating more than 450 putative class actions, conducting an investigation for a major university relating to the Department of Justice and NCAA probes into corruption and fraud in Division I men's college basketball, and negotiating and drafting coaching employment agreements.

Prior to joining Jones Day, Marc served as assistant general counsel for three years at the University of Miami, where he oversaw a variety of subject areas including the day-to-day Athletic Department legal portfolio. He defended challenges to the collegiate amateurism model; negotiated and drafted a variety of agreements involving sponsorships, naming rights, and multimedia rights; protected trademarks and intellectual property rights against infringement; and led investigations involving potential NCAA rules violations and compliance issues.

Previously, Marc practiced for seven years in the complex commercial litigation group at an international law firm in Miami, where he represented Fortune 500 clients in bet-the-company cases involving alleged violations of antitrust, RICO, and unfair trade practice statutes.

Marc has spoken extensively on NCAA issues and teaches sports law courses as an adjunct professor at the University of Miami School of Law.


  • Fidelity obtains dismissal of all claims relating to alleged filing of suspicious activity report, affirmed by First CircuitJones Day obtained a significant victory on behalf of Fidelity Brokerage Services, LLC in a lawsuit brought by two former Fidelity customers and their investment advisor.
  • IBM defends litigation stemming from construction and technology deployment at Atlanta Falcons' Mercedes-Benz StadiumJones Day is defending International Business Machines Corporation ("IBM") in multiple disputes deriving from a state of the art passive optical network ("PON") and distributed antenna system ("DAS") technology deployment at the Atlanta Falcons' Mercedes-Benz Stadium.
  • Universities defend multidistrict putative class action litigation brought by former football playersJones Day is serving as lead counsel for all NCAA member institution defendants in a multidistrict litigation ("MDL") consolidating more than 300 putative class actions brought on behalf of former football players.
  • University successfully negotiates terms of multimillion dollar stock giftJones Day advised a large university regarding a gift of a large block of publicly traded stock by one of its trustees to be used to fund particular projects.
  • Major university conducts internal investigation relating to DOJ probe into corruption and fraud in Division I men's college basketballJones Day has been retained by a major university to conduct an independent investigation relating to a Department of Justice probe into corruption and fraud in Division I men’s college basketball, as well as to assist the university in its responses to the Justice Department probe and a related NCAA investigation.
  • Nuclear Energy Institute defeats NextEra Energy lawsuit claiming rights to NEI’s member-only data systemJones Day obtained a significant victory on behalf Nuclear Energy Institute, Inc. ("NEI"), a trade association for companies involved in the generation and application of nuclear power.
  • All-cargo carrier successfully defends against claims seeking millions of dollars in damagesJones Day represented an all-cargo carrier in connection with a lawsuit filed by a plaintiff who was injured by falling cargo in the warehouse of a ground services handling agent.
  • The following represents experience acquired prior to joining Jones Day.

    Represented University of Miami in putative class action brought by former football student-athlete as part of national football concussion multidistrict litigation pending in Chicago federal court, a consolidation of more than 75 class actions against NCAA institutions.

    Represented University of Miami in collective action brought by former student-athletes alleging a conspiracy by the NCAA and its Division I member schools to violate the wage and hour provisions of Fair Labor Standards Act and served on brief review committee that contributed to successful dismissal of all claims.

    Represented University of Miami in internal investigations concerning potential NCAA rules violations, including extensive factual development and interviews of student-athletes, coaches, staff, and donors.

    Represented University of Miami in negotiation and drafting of naming rights, sponsorship, and multimedia rights agreements, including apparel and equipment deal with adidas

    Represented University of Miami in negotiation and drafting of coaching employment agreements, game agreements with other universities, media entities and venues, and amendment to Hard Rock Stadium lease agreement.

    Represented University of Miami in intellectual property matters, including prosecution and maintenance of portfolio of 75+ trademarks, drafting cease-and-desist letters, negotiating license agreements and co-existence agreements, and overseeing outside counsel in litigation.

    Represented health insurance and health care information companies in multidistrict litigation brought by physicians and subscribers alleging nationwide conspiracy to suppress out-of-network reimbursement rates using billed charges database.

    Represented health insurance company and its affiliates in multidistrict litigation and state court tag-along actions brought by physicians and subscribers alleging nationwide conspiracy to deny, delay, and diminish reimbursements through improper claims processing.

    Represented health insurance companies in class arbitrations involving alleged violations of prompt payment laws and breach of contract.

    Represented health insurance companies in state court contract dispute with anesthesiology group involving alleged underpayment of out-of-network medical services.

    Represented major airline in antitrust dispute alleging group boycott and other retaliatory anticompetitive conduct by global distribution systems and travel agencies.

    Represented mass media company in radio broadcast rights and sponsorship dispute with NBA team involving alleged breach of a most-favored licensee provision.

    Represented electronic music festival in profit-sharing dispute with investor alleging the existence and breach of a joint venture agreement.

    Represented social media and social networking company in trademark infringement dispute involving online poker entities.

    Represented biotechnology company in patent licensing and contract dispute involving alleged breach of a most-favored licensee provision.

    Represented aluminum company in wrongful termination dispute involving whistleblower.

    Represented benefits administration company in breach of contract and fraud dispute involving alleged breach of an earn-out provision in a merger agreement.

    Speaking Engagements

    • January 7, 2020
      Amateurism and the Pay-for-Play Debate: Representing the Pre-Professional Athlete, Harvard Law School
    • November 5, 2019
      The Pay-To-Play Debate: Legal and Legislative Challenges to the College Sports Model, University of Pennsylvania Law School
    • October 10, 2019
      Sports Law Roundtable: Hot Topics ImpactingIntercollegiate Athletics, Cardozo School of Law — Yeshiva University
    • June 27, 2019
      Managing Compliance in Sports and Entertainment, University of Miami School of Law Managing Compliance Across Borders Program
    • April 4, 2019
      NCAA Amateurism and Pay to Play, University of Miami School of Law Global Entertainment & Sports Law + Industry Conference

    Speaking Engagements Prior to Jones Day

    April 12, 2017
    Current Legal Challenges Facing Teams and Their Venues, Legal Learning Series CLE
    Miami, Florida

    January 25, 2017
    Ethical Issues in Intercollegiate Athletics: From Compliance to Pay-for-Play, University of Miami School of Law CLE
    Coral Gables, Florida

    April 7, 2016
    Plenary: Sports Roundup 2016, Including NCAA Case Round-Up and Name, Image and Likeness Rights of NCAA Athletes, International Legal Symposium on the World of Music, Film, Television and Sports
    Coral Gables, Florida

    February 20, 2015
    NCAA Case Law Roundup, University of Miami 18th Annual Entertainment & Sports Law Conference
    Coral Gables, Florida

    June 5, 2014
    Key Issues in the Business of Sports, Sports Lawyers Association
    Miami, Florida

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