37+ Years
Legal Experience
About Charles S. McCowan III
Charles S. McCowan III, commonly known as Trey, has been a partner at the Kean Miller Baton Rouge office since 1989. He is a key member of the litigation group, providing legal representation to local, regional, and multinational clients in the energy and petrochemical sectors. His practice areas include complex commercial agreements and legacy site litigation, along with environmental litigation and toxic tort defense. Trey also guides clients on electronic discovery, ensuring compliance with e-discovery protocols, managing electronically stored information (ESI), and advising on information retention and destruction policies.
Trey's legal acumen has earned him recognition in The Best Lawyers in America for 2019 in categories such as Bet-the-Company Litigation, Commercial Litigation, Natural Resources Law, Oil & Gas Law, and Personal Injury Litigation - Defense. He has been featured in Louisiana Super Lawyers from 2008 to 2019 and was honored as a Baton Rouge Lawyer of the Year for Bet-the-Company Litigation in 2013.
His academic achievements include a B.A. from Louisiana State University in 1986, a J.D., cum laude, from Tulane University Law School in 1989, and a Master's in Environmental Sciences from the LSU School of Coast and Environment in 2010. Trey was awarded the 2009-2010 Sustainable Environment Award by the LSU School of Coast and Environment for his Master's Thesis on the impact of Hurricanes Katrina and Rita on the Louisiana Judicial System.
The information on this page is for general informational purposes only and does not constitute legal advice. Consult a licensed attorney for advice about your situation.
Practice Areas
Louisiana Car Accident Laws
Understanding Louisiana's accident laws is critical when pursuing a claim. Here are the key legal rules that apply to your case:
Statute of Limitations
1 year
Time limit to file a claim
Negligence Rule
pure comparative fault
How fault is determined
Min. Insurance (BI/PD)
$15K/$30K/$25K
Per person/per accident/property
Insurance System
At-Fault
At-fault driver's insurance pays
Frequently Asked Questions
What areas of law does Charles S. McCowan III specialize in?
Charles S. McCowan III specializes in litigation for the energy and petrochemical industries, including complex commercial agreements and environmental litigation.
Where is Charles S. McCowan III based?
He is based in Baton Rouge, Louisiana, at the Kean Miller law firm.
What recognitions has Trey McCowan received?
He is listed in The Best Lawyers in America for 2019 and Louisiana Super Lawyers from 2008 to 2019, and was named a Baton Rouge Lawyer of the Year in 2013.
What is Trey's educational background?
Trey holds a B.A. from Louisiana State University, a J.D. from Tulane University Law School, and a Master's in Environmental Sciences from LSU.
Contact Information
Need Legal Help?
Contact Charles S. McCowan III for a free consultation about your accident case.
Call for Free ConsultationAfter an Accident
- 1Seek immediate medical attention
- 2Document the scene & gather evidence
- 3File a police report
- 4Don't speak to insurance adjusters alone
- 5Contact Charles for a free case review
Other Lawyers in Baton Rouge

Berteau & Partners

Law Offices of Charles S. McCowan Jr.

