Atty. Mark Gregory Duncan
Mark Gregory Duncan is a lawyer. Mark received a B.S. degree from Louisiana State University in 1990, and has been licensed for 32 years.
Attorney · Serving Mandeville, LA · 32+ Years Experience
Profile Summary
About Mark Gregory Duncan at a Glance
Mark Gregory Duncan is a Member based in Mandeville, Louisiana, practicing at Duncan Law, LLC. They have 32+ years of legal experience, licensed to practice since 1994. Admitted to practice in New York (1994), U.S. District Court, Southern District of New York (1997), and Louisiana U.S. District Court, Eastern District of Louisiana (2004). Educated at University of Arkansas (J.D., 1993) and Louisiana State University (B.S., 1990). Serves clients in Mandeville, LA and the surrounding metropolitan area.
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About Mark Gregory Duncan
- Mark Gregory Duncan is a lawyer
- Mark received a B.S. degree from Louisiana State University in 1990, and has been licensed for 32 years
- Mark practices at Duncan Law, LLC in Mandeville, LA
Jurisdictional Context
Why Local Counsel Matters in Mandeville
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 venue, 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.
Mandeville Courts and Legal Process
Choosing a Mandeville-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Louisiana attorneys? Browse all attorneys in Mandeville or all attorneys in Louisiana.
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Professional Profile
Why Clients in Mandeville Choose Mark Gregory Duncan
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Mark Gregory Duncan's practice.
Decade-Tested Legal Experience
Mark Gregory Duncan brings 32+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in New York, U.S. District Court, Southern District of New York, and Louisiana U.S. District Court, Eastern District of Louisiana, Mark Gregory Duncan can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Local Presence in Mandeville
A Mandeville-based practice means Mark Gregory Duncan attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
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Education & Law School Background
Bar Admissions & Licensed Jurisdictions
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