Atty. Mark A. Johnston

Atty. Mark A. Johnston

Mark A. Johnston is a lawyer practicing litigation, mass tort litigation, product liability and 4 other areas of law.

Washington Washington 27 Years Experience 27 year
Call (202) 738-1866

Profile Summary

About Mark A. Johnston at a glance

Mark A. Johnston is a Member based in Washington, District of Columbia, practicing at Eckert Seamans Cherin & Mellott, LLC. They have 27+ years of legal experience, licensed to practice since 1999. Their practice focuses on product liability, litigation, and international. Admitted to practice in District of Columbia (1999) and Maryland U.S. District Courts for the District of Columbia and the District of Maryland U.S. Court o (2000). Educated at Tulane University School of Law (J.D., 1999) and Lafayette College (B.A., 1996). Recognitions include AV Preeminent. Serves clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark A. Johnston is a lawyer practicing litigation, mass tort litigation, product liability and 4 other areas of law
  • Mark received a B.A. degree from Lafayette College in 1996, and has been licensed for 27 years
  • Mark practices at Eckert Seamans Cherin & Mellott, LLC in Washington, DC

Practice Areas Explained

Mark A. Johnston's Areas of Practice

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

Product Liability

Mark A. Johnston is one of 60,257 product liability attorneys indexed nationally. Browse product liability attorneys in District of Columbia →

Civil Litigation

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

Mark A. Johnston is one of 409,070 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →

International Law

International law attorneys for cross-border transactions, trade, foreign investment, and treaties.

Mark A. Johnston is one of 36,155 international attorneys indexed nationally. Browse international 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 venue, 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 A. Johnston

Where is Mark A. Johnston's law office located?
Mark A. Johnston's law practice is located in Washington, District of Columbia. The firm is Eckert Seamans Cherin & Mellott, LLC. You can contact the office directly through this profile page.
What practice areas does Mark A. Johnston handle?
Mark A. Johnston focuses on product liability, litigation, international. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Mark A. Johnston practiced law?
Mark A. Johnston has 27+ years of legal experience and has been licensed since 1999.
Where did Mark A. Johnston go to law school?
Mark A. Johnston earned their education at (J.D., 1999); (B.A., 1996).
How can I contact Mark A. Johnston for a consultation?
You can contact Mark A. Johnston 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 A. Johnston received?
Mark A. Johnston's notable recognition includes: AV Preeminent.

Education

J.D.
Tulane University School of Law
- 1999
B.A.
Lafayette College
- 1996

Awards

AV Preeminent

Bar Admissions

District of Columbia
Admitted: 1999
Maryland U.S. District Courts for the District of Columbia and the District of Maryland U.S. Court o
Admitted: 2000

Reviews

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