Picture of Tyler Moore Kostal

Tyler Moore Kostal


Tyler Kostal is a partner in the New Orleans office of Kean Miller. She practices in the energy and environmental litigation group, defending energy companies in lawsuits involving oil and gas, environmental, toxic tort exposure, wetlands loss, pipeline, and commercial litigation and appeals. She also assists clients with Medicare reporting and compliance obligations for toxic tort exposure claims.

Tyler is listed as a Rising Star by Louisiana Super Lawyers for 2019-2020 and is listed in The Best Lawyers in America as a One to Watch for 2021.

Representative Experience
  • Representation in legacy lawsuits involving soil and groundwater impacts related to historic oil and gas operations
  • Representation in wetlands lawsuits involving land loss and subsidence issues
  • Representation in NORM exposure and contamination lawsuits involving personal injuries and property damages, including class action and mass joinder cases
  • Representation in lawsuits involving mineral rights and commercial disputes
  • Representation in oil and gas litigation relating to the Haynesville Shale
  • Evaluation and resolution of Medicare and Medicare Advantage Plan lien obligations in toxic tort matters, including global resolutions

Tyler earned her B.B.A., cum laude, in economics and marketing in 2005 from the University of Mississippi. She earned her J.D., cum laude, from Loyola University New Orleans College of Law in 2010, where she was a member of the Loyola Law Review and Maritime Law Society. While at Loyola, Tyler received the Law Excellence Award for Moot Court and was named a William L. Crowe, Sr., Scholar.

  • Admitted, Louisiana, 2010; United States Court of Appeals for the Fifth Circuit; United States District Court for the Eastern, Middle and Western Districts of Louisiana
  • New Orleans, Louisiana State, Federal, and Fifth Circuit Bar Associations; Women's Energy Network, Southeast Louisiana Chapter; Vice Chair, Young Energy Professionals Programming Subcommittee, Institute for Energy Law; IEL Young Energy Professional Leadership Class participant (2021-2022)
Articles, Publications and Presentations
Community Service
  • Board Member, Women's Energy Network, South Louisiana Chapter, Public & Industry Relations Director, New Orleans, 2018 - 2019
  • Volunteer, Homeless Experience Legal Protection (HELP) Program, Harry Tompson Center
  • Phi Mu Fraternity Alumna