Phelps Dunbar LLP Logo
  • Services
  • Insights
  • Professionals
Phelps Dunbar LLP Logo
  • Services
  • Insights
  • Professionals
  • ABOUT US
  • LOCATIONS
  • SUSTAINABILITY
  • CAREERS
  • Practices
  • Industries
    Heather Duplantis Photograph

    Heather Duplantis

    Partner

    Baton Rouge
    225-376-0263
    heather.duplantis@phelps.com
    Areas Of Focus
    InsuranceLitigation

    Heather Duplantis concentrates her practice in professional liability defense and insurance coverage litigation and counseling. In the area of professional liability, Heather's practice focuses on the defense of professional malpractice claims against insurance agents and brokers, attorneys, accounting firms, home inspectors, and financial advisors. In the area of insurance coverage, she provides counseling to third-party liability insurers, and defense of insurance coverage litigation, including bad faith coverage litigation. In this regard, Heather has litigated numerous declaratory judgment actions in state and federal courts in Louisiana and Texas. She also has experience litigating complex commercial disputes, defending securities fraud claims against accounting firms, and defending oil field "Company man" in personal injury litigation.

    Heather is licensed to practice law in Louisiana and Texas. She began her career in Austin, Texas where she worked as a commercial litigator, first as an associate at Vinson & Elkins, LLP and then as a partner at Reeves & Brightwell, LLP before returning home to her native Louisiana and joining Phelps Dunbar's Baton Rouge office in 2006.

    Experience

    • Obtained summary judgment in numerous claims against professionals.
    • Obtained dismissal with prejudice in multi-million dollar securities fraud suit against California-based accounting firm.
    • Obtained summary judgment in numerous insurance coverage disputes.
    • Obtained defense verdict in suit against local parish council in lawsuit involving alleged due process and equal protection violations related to a zoning dispute.
    • Obtained summary judgment in favor of "company man" in multi-million dollar personal injury suit involving collapse of oil field platform.
    • Numerous representations in complex insurance coverage declaratory judgment and bad faith actions.
    • Regional coverage counsel for various third-party liability insurers.
    • Numerous representations in complex insurance coverage declaratory judgment and bad faith actions.
    • Regional coverage counsel for various third-party liability insurers.

    Education

    • University of Texas School of Law, J.D., with high honors, Chancellor Honor Recipient, Order of the Coif, Dean's Achievement Award, 2000
    • University of Louisiana at Lafayette, B.A., Political Science, summa cum laude, Outstanding Graduate in Department of Political Science, Vermillion Honor Society, Blue Key Honor Fraternity, 1997
    • University of Texas School of Law, J.D., with high honors, Chancellor Honor Recipient, Order of the Coif, Dean's Achievement Award, 2000
    • University of Louisiana at Lafayette, B.A., Political Science, summa cum laude, Outstanding Graduate in Department of Political Science, Vermillion Honor Society, Blue Key Honor Fraternity, 1997

    Credentials

    • Texas
    • Louisiana
    • U.S. District Court, Middle District of Louisiana
    • U.S. District Court, Eastern District of Louisiana
    • U.S. District Court, Western District of Texas
    • U.S. District Court, Western District of Louisiana
    • Texas
    • Louisiana
    • U.S. District Court, Middle District of Louisiana
    • U.S. District Court, Eastern District of Louisiana
    • U.S. District Court, Western District of Texas
    • U.S. District Court, Western District of Louisiana

    Memberships and Affiliations

    • Louisiana State Bar Association
    • Texas State Bar Association
    • Baton Rouge Bar Association
    • Louisiana State Bar Association
    • Texas State Bar Association
    • Baton Rouge Bar Association
    • Overview
    • Experience
    • Education
    • Credentials
    • Memberships and Affiliations

    Related Services

    • Insurance
    • Litigation
    • Insurance
    Stay connectedReceive our latest thinking on topics you care about.SIGN UP NOW
    • ©2025 Phelps Dunbar LLP. All Rights Reserved
    • Lawyer Advertising
    • Privacy & Disclaimer
    • Contact Us
    © 2025 Phelps Dunbar LLP. All Rights Reserved