Atty. John Duval Walke

Atty. John Duval Walke

Mr. John Duval Walke is a lawyer practicing environmental law.

Washington Washington 33 yrs experience 33 year
Call (771) 240-3147 Book Appointment

Profile Summary

About John Duval Walke at a glance

John Duval Walke is a Sr. Coun., Nat. Res. Def. Council based in Washington, District of Columbia. They have 33+ years of legal experience, licensed to practice since 1993. Their practice focuses on environmental. Admitted to practice in Virginia (1993), District of Columbia (1996), and Indiana (2011). Educated at Harvard Law School (J.D., 1993) and Duke University (A.B., 1990). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. John Duval Walke is a lawyer practicing environmental law
  • John received a A.B. degree from Duke University in 1990, and has been licensed for 33 years
  • John practices in Washington, DC

Practice Areas Explained

John Duval Walke's Areas of Practice

Each practice area below reflects the types of cases John Duval Walke handles, with a brief overview of what that area of law covers.

Environmental Law

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

John Duval Walke is one of 56,434 environmental attorneys indexed nationally. Browse environmental 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 John Duval Walke

Where is John Duval Walke's law office located?
John Duval Walke's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
What practice areas does John Duval Walke handle?
John Duval Walke focuses on environmental. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has John Duval Walke practiced law?
John Duval Walke has 33+ years of legal experience and has been licensed since 1993.
Where did John Duval Walke go to law school?
John Duval Walke earned their education at (J.D., 1993); (A.B., 1990).
How can I contact John Duval Walke for a consultation?
You can contact John Duval Walke 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.

Practice Areas

Education

J.D.
Harvard Law School
- 1993
A.B.
Duke University
- 1990

Bar Admissions

Virginia
Admitted: 1993
District of Columbia
Admitted: 1996
Indiana
Admitted: 2011

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