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Jonathan H. Claydon focuses his practice on complex litigation and class action defense with broad experience representing clients in the financial services industry arising from lending and retail banking operations, including Ponzi scheme and other fraud-related matters. His banking and financial services clients include national and retail banks, credit unions, mortgage lenders, broker-dealers, and investors. Recently, Jon has been centrally involved in COVID-19 related litigation, helping establish new and important precedent for financial institutions, including the management of nationwide teams handling cases touching on all aspects of the Paycheck Protection Program. Jon also has experience defending clients in class actions in a variety of industries, including consumer and retail products, automotive and food and beverage.


  • Complex commercial litigation and alternative dispute resolution
  • Bank litigation
  • Business litigation
  • Class actions
  • Trade secret and restrictive covenant litigation



  • Summer Law Clerk, Justice Robert P. Young, Jr., Michigan Supreme Court

Recognition & Leadership

  • Listed, Thomson Reuters, "Stand-Out Lawyers," 2023
  • Listed, Super Lawyers magazine, Illinois Super Lawyers, "Rising Star," 2012-2019
  • Team Member, U.S. News - Best Lawyers®, Best Law Firms Edition, "Law Firm of the Year," Banking & Finance - Litigation, 2017


  • J.D., cum laude, University of Michigan Law School, 2006
  • B.A., Boston College, 2001
  • Illinois
  • U.S. District Court for the Northern District of Illinois
  • U.S. District Court for the Southern District of Illinois
  • U.S. District Court for the Western District of Michigan
  • U.S. District Court for the District of Nebraska
  • U.S. District Court for the Eastern District of Wisconsin
  • U.S. District Court for the Western District of Wisconsin
  • U.S. Court of Appeals for the Seventh Circuit