E. Sean Griggs

  • 11 South Meridian Street
    Indianapolis, IN 46204-3535

E. Sean Griggs is a partner in Barnes & Thornburg LLP’s Indianapolis office and a member of the Environmental Department, which was recently recognized as Tier 1 for national environmental litigation in the annual "Best Law Firms" ranking by U.S. News and Best Lawyers. He also concentrates his practice on litigation matters.

Mr. Griggs represents clients’ interests in legal actions concerning environmental matters brought by private parties and government agencies. He practices before administrative agencies, in state and federal trial courts, and in appellate tribunals. Mr. Griggs' litigation practice includes defense and prosecution of cases arising under federal and state environmental statutes, toxic tort cases, CERCLA and UST disputes, civil penalty proceedings, appellate practice, and FIFRA arbitration proceedings. He is listed in The Best Lawyers in America in the area of environmental law, the 2014-2018 editions of Chambers USA and is recognized as an Indiana Super Lawyer.

Mr. Griggs also advises clients regarding regulatory matters affecting businesses, property owners, and permit holders. Mr. Griggs provides advice and consultation on issues affecting property transfers and business transactions. He occasionally serves as an expert witness on the reasonableness of legal fees and the proper apportionment of cleanup costs.

Prior to joining Barnes & Thornburg, Mr. Griggs was a practicing chemical engineer in the organic and specialty chemicals industry. He received a B.S. in chemical engineering from Rose-Hulman Institute of Technology in 1988. Mr. Griggs received his J.D., magna cum laude, in 1994 from Indiana University School of Law – Indianapolis, where he was an associate editor on the Indiana Law Review.

He is a member of the American, Indiana State, and Indianapolis Bar Associations, as well as the American Institute of Chemical Engineers. Mr. Griggs is admitted to practice in the state of Indiana and was a registered civil mediator.

Mr. Griggs is a United Way Key Club member and serves on the board of directors and is a former treasurer of the Wabash Valley Christian Youth Camp.

Reported cases include: KB Home Indiana Inc. v. Rockville TBD Corp., 928 N.E. 2d (Ind. Ct. App. 2010); Lovold Co. v. Galyan's Inc., 764 N.E. 2d 281 (Ind. Ct. App. 2002); IDEM v. Bethlehem Steel Corp., 703 N.E. 2d 680 (Ind. Ct. App. 1998); Office of Envt'l Adjudication v. J.M. Corp., 691 N.E. 2d 449 (Ind. Ct. App. 1997).