• vcard
D 816.395.0620
F 816.817.0247
  • Education
    • J.D., University of Iowa, 1988, with distinction; Journal of Corporation Law, Articles Co-Editor; Phi Delta Phi
    • B.B.A., Iowa State University, 1985, with distinction; Phi Kappa Phi
  • Court Admissions
    • U.S. District Court, Western District of Missouri, 1988
    • U.S. District Court, District of Kansas, 1998
    • U.S. Court of Appeals, Tenth Circuit, 2003
    • U.S. Court of Appeals, Eighth Circuit
    • U.S. Tax Court, 2016
Mark Olthoff looks for solutions. Whether it is help resolving a commercial dispute, responding to a financial services claim, or counseling on a corporate governance issue, Mark’s experience and knowledge guides clients to the best possible result. He has extensive litigation experience with class actions, consumer protection, banking and securities laws, and all manner of business disputes. Mark's national practice includes actions involving TCPA, FDCPA, RICO, FCRA, TILA and other federal and state statutes.  Mark represents numerous financial institutions and is an author and frequent speaker on subjects such as piercing the corporate veil, class actions, and legal ethics. Mark was a co-editor of the Kansas City Metropolitan Bar Association's Business Litigation Handbook and the author of the chapter on piercing the corporate veil.  He also was appointed member of the Missouri Supreme Court Disciplinary Committee from 2008-2016.
  • Represented large health care company in class action asserting TCPA violations. Settled favorably.
  • Represent financial services company in class action asserting violations of privacy laws.
  • Represent franchisee in class action asserting violations of biometric privacy laws.
  • Represent non-profit retirement fund in class action asserting improper fee collections.
  • Represented health care staffing company in class action litigation asserting TCPA violations. Settled favorably.
  • Represented large health care company in class action asserting improper sales tax collection. Settled favorably.
  • Represented cloud technology company in action alleging fraud, statutory violations, and breach of contract.
  • Represented franchisor in class action asserting TCPA violations. Settled favorably. 
  • Represented national non-profit organization in class action alleging violation of TCPA. Case dismissed.
  • Represented health club organization in defense of class actions alleging violation of state consumer protection law. Settled favorably.
  • Represented water line insurer in defense of class action alleging violation of state consumer protection law. Settled favorably.
  • Represent health care organizations in class actions asserting violations of privacy laws. 
  • Represented clothing manufacturer in defense of claims alleging breach of contract and tort claims. Settled favorably.
  • Represented engineering company in defense of claims arising from failed purchase agreement. Settled favorably.
  • Represent flood certification company defending negligence and state law claims. 
  • Represented law firm in defense of legal malpractice claims. Defeated multi-million dollar claim in arbitration.
  • Represented large national bank in class action claims arising under FCRA.
  • Represented investment firm in claims of breach of contract and breach of fiduciary duty. Defeated multi-million dollar claims for actual and punitive damages in arbitration.
  • Represented orthodontic supply company in class action asserting violations of TCPA and common law claims. Settled favorably.
  • Represented limited liability companies, owners and officers in class actions seeking actual and statutory damages under FDCPA, RICO and state law claims in numerous federal court venues. Settled favorably.
  • Represent numerous financial institutions and securitized trusts against plaintiffs’ claims alleging violation of federal and Missouri consumer protection and bank acts.
  • Defended investors in partnership interests and low-income housing credits when plaintiffs sued, alleging misrepresentation, breach of fiduciary duty, and violation of the state consumer protection act. Successfully compelled the litigation to arbitration and case settlement.
  • Represented agricultural technology company in a suit over alleged trade secrets and breach of contract. Settled favorably.
  • Represented a major homeowner insurance company that was sued by plaintiffs, alleging discrimination and violations of federal housing acts. Plaintiffs claimed that multiple insurance companies charged rates that discriminated on the basis of race. Successfully defeated class certification.
  • Successfully defended a large financial institution and brokerage house when a medical supply firm sued, alleging antitrust claims and state law causes of action. Plaintiff asserted monopolization and restraint of trade, trade secret act violations, misrepresentation, tortious interference, and breach of contract against various corporations and individuals. All claims dismissed.
  • Defended a purchaser of business machine monitoring devices and others against the seller, who alleged claims of fraud, tortious interference, breach of contract, and piercing the corporate veil. Verdict for the plaintiff on fraud claim was reversed on appeal, vacated, and judgment entered for defendants.
  • Represent taxpayers in Missouri Administrative Hearing Commission appeals of sales, use and income tax assessments and refund denials. On behalf of professional sports team, obtained reversal from Missouri Supreme Court of adverse sales and use tax decision by Administrative Hearing Commission.