Atty. Mark Steven Klock

Atty. Mark Steven Klock

Mark Steven Klock is a lawyer practicing corporate law, securities law, taxation law. Mark Steven received a Ph.D. degree from Boston College in 1983, and has been licensed for 38 years.

Washington Washington 38 J. Erfahrung 38 year
Call (202) 539-0382 Book Appointment

Profile Summary

About Mark Steven Klock at a glance

Mark Steven Klock is a business, tax, and securities attorney based in Washington, District of Columbia. They have 38+ years of legal experience, licensed to practice since 1988. Admitted to practice in Maryland (1988) and District of Columbia (1989). Educated at University of Maryland (J.D., 1988) and Boston College (Ph.D. Pennsylvania, 1983). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Über uns

  • Mark Steven Klock is a lawyer practicing corporate law, securities law, taxation law
  • Mark Steven received a Ph.D. degree from Boston College in 1983, and has been licensed for 38 years
  • Mark Steven practices in Washington, DC

Practice Areas Explained

Mark Steven Klock's Areas of Practice

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

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Mark Steven Klock is one of 501,317 business attorneys indexed nationally. Browse business attorneys in District of Columbia →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Mark Steven Klock is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in District of Columbia →

Securities Law

Mark Steven Klock is one of 64,529 securities attorneys indexed nationally. Browse securities 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 Steven Klock

Where is Mark Steven Klock's law office located?
Mark Steven Klock's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
What practice areas does Mark Steven Klock handle?
Mark Steven Klock focuses on business, tax, securities. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Mark Steven Klock practiced law?
Mark Steven Klock has 38+ years of legal experience and has been licensed since 1988.
Where did Mark Steven Klock go to law school?
Mark Steven Klock earned their education at (J.D., 1988); (Ph.D. Pennsylvania, 1983).
How can I contact Mark Steven Klock for a consultation?
You can contact Mark Steven Klock 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.

Education

J.D.
University of Maryland
- 1988
Ph.D. Pennsylvania
Boston College
- 1983

Bar Admissions

Maryland
Admitted: 1988
District of Columbia
Admitted: 1989

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