Atty. Mark Nichol Duvall

Atty. Mark Nichol Duvall

Mark Nichol Duvall is a lawyer practicing health, safety, osha and 3 other areas of law. Mark received a B.A. degree from Amherst College in 1974, and has been licensed for 48 years.

Washington Washington 48 yrs experience 48 year
Book Appointment

Profile Summary

About Mark Nichol Duvall at a glance

Mark Nichol Duvall is a Principal based in Washington, District of Columbia, practicing at Beveridge And Diamond P C. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on employment, environmental, and health care. Admitted to practice in District of Columbia (1978), U.S. District Court for the District of Columbia and U.S. Court of Appeals for the District of Colum (1979), U.S. Temporary Emergency Court of Appeals (1981), and U.S. Supreme Court (1982). Educated at University of Virginia Law School (J.D., 1978) and Amherst College (B.A., 1974). Active member of Connecticut and American Bar Associations District of Columbia Bar State Bar of Michigan The Corporate Bar Association of Westchester and Fairfield, Inc. Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Nichol Duvall is a lawyer practicing health, safety, osha and 3 other areas of law
  • Mark received a B.A. degree from Amherst College in 1974, and has been licensed for 48 years
  • Mark practices at Beveridge & Diamond, P.C. in Washington, DC

Practice Areas Explained

Mark Nichol Duvall's Areas of Practice

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

Employment Law

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

Mark Nichol Duvall is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in District of Columbia →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

Mark Nichol Duvall is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in District of Columbia →

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Mark Nichol Duvall is one of 66,735 health care attorneys indexed nationally. Browse health care 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 Nichol Duvall

Where is Mark Nichol Duvall's law office located?
Mark Nichol Duvall's law practice is located in Washington, District of Columbia. The firm is Beveridge And Diamond P C. You can contact the office directly through this profile page.
What practice areas does Mark Nichol Duvall handle?
Mark Nichol Duvall focuses on employment, environmental, health care. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Mark Nichol Duvall practiced law?
Mark Nichol Duvall has 48+ years of legal experience and has been licensed since 1978.
Where did Mark Nichol Duvall go to law school?
Mark Nichol Duvall earned their education at (J.D., 1978); (B.A., 1974).
How can I contact Mark Nichol Duvall for a consultation?
You can contact Mark Nichol Duvall 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 Virginia Law School
- 1978
B.A.
Amherst College
- 1974

Bar Admissions

District of Columbia
Admitted: 1978
U.S. District Court for the District of Columbia and U.S. Court of Appeals for the District of Colum
Admitted: 1979
U.S. Temporary Emergency Court of Appeals
Admitted: 1981
U.S. Supreme Court
Admitted: 1982
U.S. Court of Appeals, Fifth Circuit
Admitted: 1987
Connecticut
Admitted: 1988
Michigan
Admitted: 2001

Reviews

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.