Leonard L. Kilgore  III - Kean Miller LLP

Leonard L. Kilgore III

Listed in Best Lawyers since 2006

Len Kilgore is a partner in the Baton Rouge office of Kean Miller. He is one of the founding members of the firm and has more than 30 years of litigation experience in environmental, oil & gas, and toxic tort litigation, including class action, multiple joinder, and toxic tort cases. Len represents local, national and international commercial, energy and industrial clients in litigation involving toxic tort claims, personal injury, property damage claims, environmental damage claims, wetlands damage claims and class actions. Much of the litigation he has handled requires the development of complex expert testimony and scientific evidence.

Len earned his B.A. from Louisiana State University in 1973. He earned his J.D. from the LSU Law Center in 1976 where he was a member of the Louisiana Law Review and Phi Kappa Phi. He served as an Adjunct Professor teaching Louisiana Environmental Law at the Tulane Law School in 1991

  • Lead defense counsel for numerous oil and gas exploration, transportation and products companies in lawsuits by landowners claiming property damages related to oil and gas operations, including environmental damages claims.
  • Representation of industry clients in connection with numerous state and federal Superfund sites.
  •  Lead trial counsel for defendants, including joint defense representation, in toxic tort class actions, 
  •  Lead defense counsel in numerous toxic tort claims involving allegations of air, soil and groundwater contmanination

Louisiana State University and Agricultural and Mechanical CollegeBS 1973LSU Law School
LSU Law Scool Board of TrusteesLSU Law Laborde Energy Center Advisory BoardBurden FoundationLSY Law School Chancellor's Council

Office Location

400 Convention Street, Suite 700
P.O. Box 3513
Baton Rouge, LA 70821-3513
United States


Lawyer of the Year Awards

2015 Lawyer of the Year in Litigation - Environmental of the Baton Rouge Metro Area2013 Lawyer of the Year in Environmental Law of the Baton Rouge Metro Area2012 Lawyer of the Year in Litigation - Environmental of the Baton Rouge Metro Area
Leonard L. Kilgore III has earned a Lawyer of the Year award for 2015!Leonard L. Kilgore III has earned a Lawyer of the Year award for 2013!Leonard L. Kilgore III has earned a Lawyer of the Year award for 2012!

Practice Areas

Environmental Law
Litigation - Environmental

Other Information

Gender: Male