⇇ Back to Team
Jon Mattingly MBCB Attorneys

Jon Mattingly

Jon has a B.S. from Notre Dame and a J.D. from Indiana University. He’s an avid fan of the Fighting Irish and the Hurryin’ Hoosiers. His daughters attend Dayton and Purdue.

Background & Current Emphasis

Jon’s practice focuses on civil litigation with an emphasis on representing clients in matters involving complex business and commercial litigation disputes. His experience in business litigation spans a wide range of legal issues, including breach of contract, UCC, construction, corporate fraud, tortious interference, minority shareholder, breach of fiduciary duty, and unfair competition claims.

Jon regularly represents national, regional, and local financial institutions, manufacturers, premises owners, trucking and logistics companies, and other business entities. He has particular experience representing entities involved in the mortgage lending industry and has investigated and litigated matters involving nearly every type of entity up and down the mortgage lending chain, from originating lenders to warehouse lenders to investors in the secondary market.

Jon also has significant experience handling complex civil litigation disputes involving product liability and toxic torts, insurance coverage disputes, and a variety of catastrophic claims involving personal injury, wrongful death, and property damage.  In this practice, Jon has represented manufacturers from industries including pharmaceutical, industrial and residential construction materials, and of chemicals and pesticide products. He has defended matters involving an assortment of chemicals/particulates such as asbestos, thimerosal, silica, and other allegedly toxic materials.

Jon also enjoys working with a number of colleges and universities.  He represents and advises these higher educational institutions regarding a diverse range of legal issues, including litigation, constitutional law, labor and employment, Americans with Disabilities Act (ADA), and Title IX compliance claims.

Jon is also a partner in Proteus Discovery Group, an eDiscovery services and consulting company, and DiscoveryMaster, a software platform for eDiscovery reporting. He was previously a partner at Barnes & Thornburg, LLP. 


  • B.S., Biological Sciences, University of Notre Dame, 1995
  • J.D., Indiana University Robert H. McKinney School of Law, 1998

Community Involvement

  • Roncalli High School, board member

Let’s get started.

Battle-tested, client-approved.