Atty. Mark Thomas McDermott

Atty. Mark Thomas McDermott

Mr. Mark Thomas McDermott is a lawyer practicing litigation, aviation law, adoption law and 1 other area of law.

Washington Washington 52 J. Erfahrung 52 year
Call (202) 367-9055 Book Appointment

Profile Summary

About Mark Thomas McDermott at a glance

Mark Thomas McDermott is a Member based in Washington, District of Columbia, practicing at Mark T. McDermott. They have 52+ years of legal experience, licensed to practice since 1974. Their practice focuses on adoption, litigation, and aviation. Admitted to practice in Indiana (1974), District of Columbia (1975), California (1978), and Virginia (1980). Educated at Indiana University (J.D., 1974) and Indiana University (B.S., 1970). Recognitions include AV Preeminent. Active member of Federal. Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Über uns

  • Mr. Mark Thomas McDermott is a lawyer practicing litigation, aviation law, adoption law and 1 other area of law
  • Mark received a B.S. degree from Indiana University in 1970, and has been licensed for 52 years
  • Mark practices at Mark T. McDermott in Washington, DC

Practice Areas Explained

Mark Thomas McDermott's Areas of Practice

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

Adoption

Mark Thomas McDermott is one of 15,997 adoption attorneys indexed nationally. Browse adoption attorneys in District of Columbia →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Mark Thomas McDermott is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →

Aviation Law

Aviation attorneys for aircraft accidents, FAA regulation, pilot defense, and aviation industry matters.

Mark Thomas McDermott is one of 9,225 aviation attorneys indexed nationally. Browse aviation attorneys in District of Columbia →

Jurisdictional Context

Why local counsel matters in District of Columbia

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

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about Mark Thomas McDermott

Where is Mark Thomas McDermott's law office located?
Mark Thomas McDermott's law practice is located in Washington, District of Columbia. The firm is Mark T. McDermott. You can contact the office directly through this profile page.
What practice areas does Mark Thomas McDermott handle?
Mark Thomas McDermott focuses on adoption, litigation, aviation. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Mark Thomas McDermott practiced law?
Mark Thomas McDermott has 52+ years of legal experience and has been licensed since 1974.
Where did Mark Thomas McDermott go to law school?
Mark Thomas McDermott earned their education at (J.D., 1974); (B.S., 1970).
How can I contact Mark Thomas McDermott for a consultation?
You can contact Mark Thomas McDermott 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 Thomas McDermott received?
Mark Thomas McDermott's notable recognition includes: AV Preeminent.

Education

J.D.
Indiana University
- 1974
B.S.
Indiana University
- 1970

Awards

AV Preeminent

Bar Admissions

Indiana
Admitted: 1974
District of Columbia
Admitted: 1975
California
Admitted: 1978
Virginia
Admitted: 1980
Maryland
Admitted: 1982

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