Jonathan D.Guynn (Jon)

Partner

Dallas + 1.214.969.3793

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Jon Guynn is a trial lawyer and regulatory counselor with more than 10 years of experience representing clients in complex litigation and regulatory matters.

Jon focuses his practice on complex commercial litigation, corporate governance and shareholder issues, securities matters, trade secrets disputes, and internal investigations. He has represented individuals and companies in a broad range of industries in connection with civil disputes and sensitive internal investigations and government inquiries. He has successfully defended corporations and their directors and officers in civil, criminal, and regulatory disputes where plaintiffs sought hundreds of millions of dollars in claimed damages or penalties. He routinely represents clients opposite qui tam relators' counsel, the U.S. Department of Justice, and other federal or state agencies.

Jon has a wealth of complex litigation experience, with an emphasis on health care, digital assets, ESG (environmental, social, and governance), securities, trade secret, and business litigation. He has participated in and managed all aspects of litigation, from case inception through resolution, including conducting internal investigations, motion practice, fact and expert discovery, taking and defending depositions, and examining witnesses at trial.

Jon is an active pro bono lawyer. He has represented an applicant for asylum, a Sikh inmate seeking to vindicate his religious liberties, and victims of domestic violence in obtaining restraining orders. He currently represents members of the Native American church in a lawsuit seeking to preserve a holy site in Texas.

Experience

  • U.S. Chamber of Commerce, coalition challenge OSHA Walkaround Inspection RuleJones Day filed a complaint on behalf of a coalition of industry groups, led by the U.S. Chamber of Commerce, challenging the Occupational Safety and Health Administration's (OSHA) Worker Walkaround Representative Designation Process rule.
  • TaxBit defends against trade secret litigation in Utah state courtJones Day is defending TaxBit, Inc., the provider of enterprise tax and accounting software solutions for the digital economy, in a trade secret and contract dispute in Utah state court.
  • Exxon Mobil pursues declaratory judgment action against shareholder proposalJones Day is representing Exxon Mobil Corporation in seeking a declaratory judgment that it may exclude from its proxy statement under SEC Rule 14a-8 a shareholder proposal from activist organizations Arjuna Capital and Follow This that calls for targets to reduce Scope 1, 2, and 3 greenhouse gas emissions.
  • Members of Congress file amicus brief in religious liberty caseJones Day filed an amicus brief in the U.S. Supreme Court, on behalf of several dozen members of Congress, in support of a football coach who was fired from his job as a public high school educator because he refused to stop engaging in a brief private prayer on the football field after games.
  • Beneficient Company Group acquires shares in GWG Holdings, Inc.Jones Day advised The Beneficient Company Group, L.P. (BEN), a provider of liquidity products and services to the owners of alternative assets and illiquid investment funds, in its acquisition of shares in GWG Holdings, Inc. (GWG Holdings), a NASDAQ listed company that is a leading provider of liquidity to owners of life insurance in the secondary market, previously held by GWG Holdings’ founding stockholders, Jon R. Sabes and Steven F. Sabes.
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    June 2023 Alert

    The U.S. Supreme Court Clarifies the Scienter Standard for False Claims Act Cases

    May 2023 Alert

    Texas Legislature Passes Law Creating New Business Courts

    February 2023 Commentary

    CFTC Partners with SEC and DOJ to Bring Coordinated DeFi Enforcement Action Targeting Oracle Manipulation

    January 2023 Commentary

    Bank Regulators Issue Joint Statement on Safety and Soundness of Crypto Activities

    September 2022 White Paper

    Digital Assets Defined: Consumer Protection and Cybersecurity Enter the Stage

    August 2022 White Paper

    Digital Assets Defined: SEC, CFTC, and Ancillary (Illusory?) Assets

    August 2022 Commentary

    Proposed Stabenow-Boozman Bill Falls Short in Bringing Regulatory Certainty to Digital Assets Space

    August 2022 White Paper

    Digital Assets Defined: How Lummis-Gillibrand Will Shore Up Stablecoins

    July 2022 White Paper

    Digital Assets Defined: How Lummis-Gillibrand Will Shape the Coming Fintech Debate

    February 2022 Commentary

    Fourth Circuit Limits Who Can Act "Knowingly" Under False Claims Act
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