Atty. John C Duplantier

Atty. John C Duplantier

John C Duplantier is a lawyer practicing admiralty law, maritime law, personal injury law and 5 other areas of law. John received a A.B. degree from Georgetown University in 1984, and has been licensed for 39 years.

Mandeville Mandeville 39 yrs experience 39 year
Call (985) 338-4707 Book Appointment

Profile Summary

About John C Duplantier at a glance

John C Duplantier is a medical malpractice, personal injury, slip & fall, insurance, and maritime attorney based in Mandeville, Louisiana. They have 39+ years of legal experience, licensed to practice since 1987. Admitted to practice in Louisiana (1987). Educated at Loyola University New Orleans College of Law (J.D., 1987) and Georgetown University (A.B. Government, 1984). Recognitions include AV Preeminent. Active member of Louisiana State and Federal Bar Associations. Serands clients in Mandeville, LA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John C Duplantier is a lawyer practicing admiralty law, maritime law, personal injury law and 5 other areas of law
  • John received a A.B. degree from Georgetown University in 1984, and has been licensed for 39 years
  • John practices in Mandeville, LA

Practice Areas Explained

John C Duplantier's Areas of Practice

Each practice area below reflects the types of cases John C Duplantier handles, with a brief overview of what that area of law covers.

Medical Malpractice

Medical malpractice lawyers represent patients harmed by negligent doctors, hospitals, and other providers. Free case review, no fee unless you win.

John C Duplantier is one of 49,086 medical malpractice attorneys indexed nationally. Browse medical malpractice attorneys in Louisiana →

Personal Injury

Personal injury attorneys help accident victims recover compensation for medical bills, lost wages, and pain & suffering. Most work on contingency — no fee unless you win.

John C Duplantier is one of 264,852 personal injury attorneys indexed nationally. Browse personal injury attorneys in Louisiana →

Slip & Fall / Premises Liability

John C Duplantier is one of 29,473 slip & fall attorneys indexed nationally. Browse slip & fall attorneys in Louisiana →

Insurance Law

Insurance attorneys for coverage disputes, bad faith claims, denied claims, and policy disputes.

John C Duplantier is one of 121,912 insurance attorneys indexed nationally. Browse insurance attorneys in Louisiana →

Maritime & Admiralty Law

Maritime attorneys for Jones Act claims, longshore injury, cruise ship cases, and offshore matters.

John C Duplantier is one of 11,568 maritime attorneys indexed nationally. Browse maritime attorneys in Louisiana →

Jurisdictional Context

Why local counsel matters in Louisiana

Practicing law in Louisiana. Legal matters in Louisiana are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Mandeville are typically filed in the local municipal court or the appropriate Louisiana state district court, depending on subject matter and amount in controversy. An attorney licensed in Louisiana brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Louisiana courts without local counsel or pro hac vice admission.

Looking for additional Louisiana attorneys? Browse all attorneys in Mandeville or all attorneys in Louisiana.

Frequently Asked

Common questions about John C Duplantier

Where is John C Duplantier's law office located?
John C Duplantier's law practice is located in Mandeville, Louisiana. You can contact the office directly through this profile page.
What practice areas does John C Duplantier handle?
John C Duplantier focuses on medical malpractice, personal injury, slip & fall, insurance, maritime. Each practice area listed reflects experience handling cases of that type in Louisiana.
How long has John C Duplantier practiced law?
John C Duplantier has 39+ years of legal experience and has been licensed since 1987.
Where did John C Duplantier go to law school?
John C Duplantier earned their education at (J.D., 1987); (A.B. Government, 1984).
How can I contact John C Duplantier for a consultation?
You can contact John C Duplantier directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has John C Duplantier received?
John C Duplantier's notable recognition includes: AV Preeminent.

Education

J.D.
Loyola University New Orleans College of Law
- 1987
A.B. Government
Georgetown University
- 1984

Awards

AV Preeminent

Bar Admissions

Louisiana
Admitted: 1987

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