Atty. Mark J. Leblang

Atty. Mark J. Leblang

Mark J. Leblang is a lawyer practicing immigration and naturalization.

Tulsa Tulsa 49 yrs experience 49 year
Call (918) 877-7859 Book Appointment

Profile Summary

About Mark J. Leblang at a glance

Mark J. Leblang is a citizenship and immigration attorney based in Tulsa, Oklahoma. They have 49+ years of legal experience, licensed to practice since 1977. Educated at University of Tulsa (J.D., 1977) and Syracuse University (B.A. Economics, 1974). Recognitions include AV Preeminent. Active member of Tulsa County, Oklahoma, Federal and American Bar Associations American Immigration Lawyers Association and Sustaining Paul Harris Fellow. Serands clients in Tulsa, OK and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark J. Leblang is a lawyer practicing immigration and naturalization
  • Mark J. received a B.A. degree from Syracuse University in 1974, and has been licensed for 49 years
  • Mark J. practices in Tulsa, OK

Practice Areas Explained

Mark J. Leblang's Areas of Practice

Each practice area below reflects the types of cases Mark J. Leblang handles, with a brief overview of what that area of law covers.

Citizenship & Naturalization

Mark J. Leblang is one of 5,960 citizenship attorneys indexed nationally. Browse citizenship attorneys in Oklahoma →

Immigration Law

Immigration attorneys help with green cards, visas, citizenship, asylum, and deportation defense. Find a verified immigration lawyer for your case.

Mark J. Leblang is one of 40,633 immigration attorneys indexed nationally. Browse immigration attorneys in Oklahoma →

Jurisdictional Context

Why local counsel matters in Oklahoma

Practicing law in Oklahoma. Legal matters in Oklahoma are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Tulsa are typically filed in the local municipal court or the appropriate Oklahoma state district court, depending on subject matter and amount in controversy. An attorney licensed in Oklahoma 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 Oklahoma courts without local counsel or pro hac vice admission.

Looking for additional Oklahoma attorneys? Browse all attorneys in Tulsa or all attorneys in Oklahoma.

Frequently Asked

Common questions about Mark J. Leblang

Where is Mark J. Leblang's law office located?
Mark J. Leblang's law practice is located in Tulsa, Oklahoma. You can contact the office directly through this profile page.
What practice areas does Mark J. Leblang handle?
Mark J. Leblang focuses on citizenship, immigration. Each practice area listed reflects experience handling cases of that type in Oklahoma.
How long has Mark J. Leblang practiced law?
Mark J. Leblang has 49+ years of legal experience and has been licensed since 1977.
Where did Mark J. Leblang go to law school?
Mark J. Leblang earned their education at (J.D., 1977); (B.A. Economics, 1974).
How can I contact Mark J. Leblang for a consultation?
You can contact Mark J. Leblang 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 Mark J. Leblang received?
Mark J. Leblang's notable recognition includes: AV Preeminent.

Education

J.D.
University of Tulsa
- 1977
B.A. Economics
Syracuse University
- 1974

Awards

AV Preeminent

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