Allison Wells Gritton

Partner Of Counsel

Allison concentrates her practice on environmental matters. She advises clients on brownfields, investigation and remediation of environmental contamination, regulatory compliance, and environmental risks in real estate transactions. This includes working with state and federal regulators, municipalities, and other governmental entities for the benefit of her clients. She represents clients in state and federal court and before administrative agencies, and she advises on many environmental due diligence, compliance, and liability issues. Her experience includes environmental cost recovery actions and defense of federal and state enforcement actions. Her litigation experience includes appellate experience at the state and federal level.

She previously served as a consultant to the Marion County Election Board, director of environmental affairs for the city of Indianapolis, and section chief, Labor and Employment Section, Office of Corporation Counsel, city of Indianapolis.

Credentials

Education

Indiana University Robert H. McKinney School of Law (J.D.)

University of Colorado (B.A.)

Bar admissions

  • Indiana
  • Colorado

Court admissions

  • U.S. Court of Appeals for the Seventh Circuit
  • U.S. District Court for the Southern District of Indiana
  • U.S. District Court for the Northern District of Indiana

Affiliations and memberships

  • Indiana Bar Association
    • Environmental Law Section
  • Indianapolis Bar Association
    • Environmental Law Section, Executive Committee (2012 – 2019)
  • City of Indianapolis Board of Business & Neighborhood Services, Board member (2016-2020)
  • Northminster Presbyterian Church
    • Session member
    • Personnel Committee co-chair

Distinctions

  • Best Lawyers®
    • Environmental Law (2022-2024)
    • Litigation – Environmental (2022-2024)

News
  • August 21, 2025

    260 Dinsmore Attorneys Listed as 2026 Best Lawyers®, Ones to Watch

  • August 15, 2024

    250+ Dinsmore Attorneys Named 2025 Best Lawyers ®, Ones to Watch

  • August 17, 2023

    200+ Dinsmore Attorneys Named 2024 Best Lawyers®, “Ones to Watch”

  • March 30, 2023

    Dinsmore’s Corporate Team Closes Two Substantial Deals for Clients in March

  • August 18, 2022

    16 Dinsmore Attorneys Named Best Lawyers® 2023 “Lawyer of the Year”

  • August 18, 2022

    2023 Best Lawyers® List Recognizes 190 Dinsmore & Shohl Attorneys

  • August 19, 2021

    Best Lawyers® Recognizes 191 Dinsmore & Shohl Attorneys