Michael R.Gladman (Mike)


Columbus + 1.614.281.3865

Mike Gladman has been helping clients prevail in their most important and complex commercial disputes for more than 30 years. He is head of litigation for the Columbus Office.

Mike represents companies in litigation with, and under investigation by, the government, consistently leading them to outright victories and "no action" outcomes. Mike represented Expedia, Hotels.com, and Hotwire in hotel tax collection lawsuits brought by Ohio municipalities, winning district court and Sixth Circuit victories. He also successfully defended Experian in investigations brought by 32 state attorneys general into the credit reporting industry, an electronic voting machine manufacturer against the government's breach of contract claims, and a custodial bank in a federal pay-to-play investigation.

Mike also has extensive experience trying and winning high-stakes contract, construction, and energy disputes. He obtained a multimillion dollar judgment for United States Steel after a three-week federal jury trial by winning a directed verdict on plaintiff's breach of contract claims and prevailing on a U. S. Steel counterclaim. Mike also was part of a trial team that secured a judgment in the Southern District of New York for American Electric Power in a 20-year power contract dispute that culminated in a $263 million payment to AEP.

Before joining Jones Day, Mike served as Principal Assistant Attorney General in the Business & Government Regulation Section of the Ohio Attorney General's Office and as an Assistant State Solicitor. He serves on the boards of the Columbus Bar Foundation, as well as Columbus Humane, whose mission is to help animals in need.


  • 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.
  • 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.
  • U.S. Steel prevails in litigation over alleged contract breachesJones Day client United States Steel Corporation prevailed in a lawsuit brought by its long-time construction and demolition contractor, Allied Erecting and Dismantling.
  • 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.
  • 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.
  • Expedia, Hotels.com and Hotwire defeat Ohio municipalities' hotel occupancy tax claimsJones Day secured a significant victory in the Sixth Circuit Court of Appeals on behalf of our clients, Expedia, Hotels.com and Hotwire, in an action brought by several Ohio municipalities, including the cities of Columbus, Dayton and Findlay, against the entire online travel industry for allegedly unpaid hotel occupancy taxes.
  • Chrysler Group defends dealer arbitrationsJones Day assisted client Chrysler Group LLC ("Chrysler") with the defense of twenty-two arbitrations brought by former dealers of Chrysler LLC ("Old Chrysler"), in which those former dealers sought to be added to Chrysler's dealer network.
  • EDS successfully arbitrates claims stemming from mergerA three-arbitrator panel of the American Arbitration Association ruled in favor of Jones Day client Electronic Data Systems Corporation ("EDS"), which brought claims against Towers Perrin arising out of the merger of the companies' respective benefits administration and human resources outsourcing businesses to form a separate business known as ExcellerateHRO.
  • The Seed Foundation strives to bring an innovative educational experience to underserved children in OhioThe SEED Foundation is a national nonprofit that partners with urban communities to provide innovative educational opportunities that prepare underserved students for success in college and beyond.
  • Financial Guaranty Insurance Company completes reinsurance transaction with MBIA InsuranceJones Day advised Financial Guaranty Insurance Company (FGIC), a leading national mono-line financial guaranty assurance company, in a transaction in which MBIA Insurance Corporation (MBIA), a subsidiary of MBIA Inc. and another leading national mono-line financial guaranty assurance company, reinsured FGIC's risk under financial guaranty policies covering $166 billion in par of public finance obligations.
  • AEP receives $263 million settlement after prevailing on breach of 20-year power contract claimJones Day represented American Electric Power Company, Inc. (AEP) on competing breach of contract claims.
  • Diebold Election Systems defends against investigation of voting issues in Cuyahoga County, OhioJones Day represented electronic voting machine manufacturer Diebold Election Systems, Inc. during an investigation of issues related to voting problems in Cuyahoga County.
    • 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