Michael R. Gladman (Mike)

Partner

Columbus + 1.614.281.3865

Connect:

Share

Mike Gladman has first-chaired more than 100 administrative hearings and 25 injunctive proceedings/trials, and he has argued approximately 20 appeals, obtaining significant wins in state and federal appellate courts. Chambers describes Mike as "a wonderful litigator, [who] has a fantastic courtroom presence and mastery of all facts." He is head of litigation for the Columbus Office.

Mike represents companies in litigation with, and under investigation by, the government, and he has extensive experience winning high-stakes financial, construction, and energy disputes. Mike led Google to victory in a nationally watched lawsuit brought by the Ohio Attorney General seeking to declare Google Search a common carrier. He successfully defended a Fortune 100 petroleum refining company against Kentucky Attorney General price gouging claims, Experian in a state attorneys general investigation, and a custodial bank in a federal pay-to-play investigation.

Mike argued and won an Ohio Supreme Court appeal confirming the banking industry's ability to enforce loan guarantees, and he obtained a multimillion-dollar judgment for United States Steel against a demolition contractor after a federal jury trial. Mike was also part of a trial team that secured a judgment in the Southern District of New York for American Electric Power that culminated in a $263 million payment to AEP, and he is representing data centers in a variety of cutting-edge matters.

Before joining Jones Day, Mike served as Principal Assistant Attorney General in the Ohio Attorney General's Office and as an Assistant State Solicitor. He was also an adjunct professor at The Moritz College of Law at The Ohio State University, and he serves on the board of Columbus Humane, whose mission is to help animals in need.

Experience

  • Huntington wins Ohio Supreme Court decision clarifying lender disclosure obligations and allowing enforcement of $77 million personal guarantyOn behalf of Huntington National Bank, Jones Day secured an Ohio Supreme Court decision holding that lenders are not required to disclose information about the potential risks associated with a debt to other parties unless they have established a "relationship of special trust or confidence."
  • Google defeats Ohio AG's bid to regulate search as common carrierJones Day's client Google LLC ("Google") won dismissal and summary judgment in a lawsuit filed by the Ohio Attorney General alleging that Google Search should be classified as a common carrier or public utility—a move that would have subjected Google to onerous Ohio regulation on how to operate its internet search function.
  • FirstEnergy sells $3.5 billion transmission stake to BrookfieldJones Day advised FirstEnergy Corp. in the $3.5 billion sale of an additional 30.0% equity stake in its subsidiary FirstEnergy Transmission (“FET”), the holding company for FirstEnergy’s three regulated electric transmission businesses, to North American Transmission Company II L.P., FirstEnergy’s existing joint venture partner in FET and a controlled investment vehicle entity of Brookfield Infrastructure Partners.
  • U.S. Steel prevails before Sixth CircuitJones Day client United States Steel Corporation ("U.S. Steel") prevailed before the Sixth Circuit Court of Appeals.
  • U.S. Steel prevails on majority of claims in three-week bench trial in Western District of PennsylvaniaJones Day client United States Steel Corporation ("U.S. Steel") prevailed at trial on the majority of claims brought by its longtime construction and dismantling contractor, Allied Consolidated Industries.
  • FirstEnergy sells $2.4 billion minority transmission stake to BrookfieldJones Day represented FirstEnergy Corp. in its $2.4 billion sale of a 19.9% equity stake in its subsidiary FirstEnergy Transmission, the holding company for FirstEnergy’s three regulated electric transmission businesses.
  • Cardinal Health persuades Sixth Circuit to uphold Ohio District Court's remand order in insurance coverage actionJones Day prevailed in a Sixth Circuit appeal on behalf of Cardinal Health, Inc.
  • U.S. Chamber of Commerce files amicus briefs in unemployment benefits casesJones Day filed amicus briefs on behalf of the Chamber of Commerce of the United States and other trade associations in cases challenging the decisions by state governors to end participation to accept federal supplemental unemployment benefits.
  • Fortune 50 automaker opposes Ohio's efforts to recover $60 million in tax creditsJones Day represented a Fortune 50 automaker in opposing the State of Ohio's efforts to recover $60 million in job creation and job retention tax credits provided to the automaker in connection with the modernization of a manufacturing plant in Ohio.
  • Abercrombie & Fitch brings lawsuit seeking return of rent payments during COVID-19 pandemicJones Day represents Abercrombie & Fitch Co. in a lawsuit filed against its commercial landlord Simon Property Group and more than 60 of Simon's lessor affiliates, seeking the return of rent payments made during the COVID-19 pandemic.
  • Ohio Transmission acquires Laron Inc.Jones Day advised Ohio Transmission in its acquisition of Laron Inc., a leading provider of mechanical and electric motor repair and engineering services in the southwestern United States.
  • FirstEnergy lands Ohio Supreme Court victory in appeal over energy efficiency programsJones Day represented FirstEnergy Corp. and its three Ohio utilities, Ohio Edison Company, The Cleveland Electric Illuminating Company, and The Toledo Edison Company, in regulatory proceedings before the Public Utilities Commission of Ohio ("PUCO") in connection with FirstEnergy's energy efficiency and peak demand reduction portfolio plans.
  • Marathon Petroleum and Speedway successfully settle lawsuit alleging violations of Kentucky's price gouging statuteJones Day settled on favorable terms, and obtained dismissal of clients Marathon Petroleum Company and its affiliate, Speedway LLC, a lawsuit brought by the Kentucky Attorney General.
  • Scientific Games defeats challenge to Ohio Lottery Commission contract awardFollowing a four-day bench trial, Jones Day won a sweeping victory on behalf of Scientific Games Corporation in a public contract dispute.
  • Cardinal Health defeats lawsuit seeking to enjoin Asset Purchase Agreement relating to cancer diagnostic productJones Day successfully defended Cardinal Health 414, LLC, a subsidiary of Cardinal Health, Inc., against a lawsuit filed by Beijing Sinotau Medical Research Company, which sought to enjoin Navidea Biopharmaceuticals and Cardinal Health 414 from closing an Asset Purchase Agreement transferring the intellectual property rights of a radioactive cancer diagnostic product known as Lymphoseek from Navidea to Cardinal Health.
  • Custodial bank successfully defends against Department of Justice pay-to-play investigationJones Day successfully represented a custodial bank in a Department of Justice investigation involving pay-to-play allegations related to the bank's contract with a state treasurer to hold billions of dollars in public pension assets.
  • Experian defends lawsuit brought by Attorney General of Mississippi over credit reporting and consumer marketing activitiesJones Day is defending Experian Information Solutions, Inc. in connection with an investigation and lawsuit initiated by the Attorney General of Mississippi challenging Experian's credit reporting and consumer marketing activities under the Fair Credit Reporting Act, the Mississippi Consumer Protection Act, and the Dodd-Frank Act.
  • Experian and other national credit reporting agencies resolve investigation by 31 state attorneys generalJones Day represented Experian Information Solutions, Inc. in responding to a multi-state Attorney General consumer protection investigation by thirty-one states into the credit reporting industry.
  • Experian and other national credit reporting agencies resolve New York Attorney General InvestigationJones Day represented Experian Information Solutions, Inc. in connection with a New York Attorney General consumer protection investigation into the credit reporting industry.
  • International internet company avoids potential enforcement actionJones Day advised an international internet company in a consumer protection investigation initiated by the Ohio Attorney General's Office.

    • The following represents experience acquired prior to joining Jones Day.

    Served as the Principal Assistant Attorney General in the Business & Government Regulation Section of the Ohio Attorney General's Office, where he represented a number of state clients in various litigation matters. Those clients included the Ohio Department of Commerce (Ohio Division of Securities, Ohio Division of Financial Institutions, Ohio Board of Building Standards, State Fire Marshal), the Ohio Department of Administrative Services (State Architect's Office, State Purchasing), the Ohio Department of Transportation, the Ohio School Facilities Commission, the Ohio Department of Public Safety (Bureau of Motor Vehicles), and a number of the state retirement systems.

    View All

    June 2026 Alert

    New Rule Amends No Surprises Act Dispute Process for Out-of-Network Health Care Payments

    September 2020 Alert

    Ohio Grants Broad Immunity From COVID-19 Lawsuits; Includes Health Care Providers

    January 2017 Commentary

    What Impact Will the New Trump Administration Have on State Attorney General Activity?

    March 2015 Commentary

    Ohio Supreme Court Strikes Down a Municipality's Efforts to Regulate Oil and Gas Production

    Additional Speaking Engagements

    • 2017
      Ohio Attorney General Professional Development Series: Inside the Trial War Room
    • December 2016
      You're Going to Trial: Coordination, Preparation, and Success (Association of Corporate Counsel)
    • 2014
      Perspectives on Internal and Government Investigations (Association of Corporate Counsel)
    • 2013
      Government and Internal Investigations
    • 2012
      Ohio Government Investigations
    • 2009
      Ohio State Bar Association Trial Evidence Seminar
    • 2008
      Ohio State Bar Association Trial Evidence Seminar
    • 2005
      Ohio Attorney General New Lawyer Training
    • 2003
      Ohio Colleges and University Campus Counsel Seminar
    • 2003
      2003 Securities Law Update, Ohio Division of Securities

    Before sending, please note:

    Information on www.jonesday.com is for general use and is not legal advice. The mailing of this email is not intended to create, and receipt of it does not constitute, an attorney-client relationship. Anything that you send to anyone at our Firm will not be confidential or privileged unless we have agreed to represent you. If you send this email, you confirm that you have read and understand this notice.