Fact:   Jon is a passionate college football and basketball fan. He enjoys cheering on the Notre Dame Fighting Irish and Hurrying Hoosiers.

Fact: Jon is a passionate college football and basketball fan. He enjoys cheering on the Notre Dame Fighting Irish and Hurrying Hoosiers.

Meet Jon


Prior to forming MBCB, Mr. Mattingly was a litigation partner at Barnes & Thornburg LLP.  Mr. Mattingly’s practice focuses on civil litigation with an emphasis on representing clients in matters involving product liability and toxic torts, construction litigation, and a variety of complex commercial issues, including lender disputes, mortgage fraud, and contract disputes.

Current Emphasis

He regularly defends manufacturers, premises owners, and contractors in complex multiparty toxic exposure lawsuits involving personal injury, wrongful death, and property damage.  In this practice, Jon has represented clients in a wide range of industries including pharmaceutical manufacturers, manufacturers of industrial and residential construction materials, and manufacturers 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.


Mr. Mattingly has also represented a number of national, regional and local banks, financial institutions and other types of businesses in commercial disputes. 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. He assisted clients in obtaining significant recoveries against borrowers, mortgage brokers, appraisers, title companies and others.


Mr. Mattingly received his J.D. degree magna cum laude from the Indiana University - Robert H. McKinney School of Law in 1998. During his time in law school, he served as an editor on the Indiana Law Review and was awarded the Judge Forrest E. Jump Scholarship for academic achievement and high moral character. Prior to law school, Mr. Mattingly received his B.S. degree in biological sciences from the University of Notre Dame in 1995.


Mr. Mattingly is a member of the American Bar Association, Indiana State Bar Association, Indianapolis Bar Association and Defense Research Institute. He is admitted to practice before the Indiana Supreme Court, the United States Court of Appeals for the 7th Circuit, and the United States District Courts for the Southern District and Northern District of Indiana.

Representative Cases

  • D.C. Farms LLC v. Dow AgroSciences LLC, Case No. CV-2010-1373 (Idaho Dist. Ct. July 14, 2011)

  • Williams v. Dow Chem. Co., 255 F. Supp. 2d 219 (S.D.N.Y. 2003)

  • Georgia-Pacific LLC - Indiana Asbestos Litigation

  • Pharmaceutical Manufacturer – Thimerosal Litigation


You may send your inquiry to Jon below, via email to jonathan.mattingly@mbcblaw.com, or you may call him at 317.614.7321. Please note, contacting Jonathan via any of these methods does not establish an attorney client relationship.

Your Name *
Your Name
You may leave your phone number if you prefer a return call.
Warning: this form is not encrypted. Do not use this form to send sensitive information. Submission of information using this form does not establish an attorney client relationship, and will be governed by our terms at www.mbcblaw.com/terms.