Atty. John Leonard Wittenborn

Atty. John Leonard Wittenborn

Mr. John Leonard Wittenborn is a lawyer practicing environmental law and litigation, occupational safety, health care and 1 other area of law.

Washington Washington 52 yrs experience 52 year
Call (404) 689-5892 Book Appointment

Profile Summary

About John Leonard Wittenborn at a glance

John Leonard Wittenborn is a Partner based in Washington, District of Columbia, practicing at Kelley Drye And Warren Llp. They have 52+ years of legal experience, licensed to practice since 1974. Their practice focuses on tax, workers comp, environmental, and health care. Admitted to practice in IN and OH (1974), Indiana (1974), Ohio (1974), and D.C (1986). Educated at George Washington University Law School (LL.M. Environmental, 1980) and United States Air Force Academy (B.S., 1971). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. John Leonard Wittenborn is a lawyer practicing environmental law and litigation, occupational safety, health care and 1 other area of law
  • John received a B.S. degree from United States Air Force Academy in 1971, and has been licensed for 52 years
  • John practices at Kelley Drye & Warren LLP in Washington, DC

Practice Areas Explained

John Leonard Wittenborn's Areas of Practice

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

Tax Law

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

John Leonard Wittenborn is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in District of Columbia →

Workers Compensation

Workers compensation lawyers help injured workers get medical care, lost wages, and disability benefits. Free consult, no fee unless you win.

John Leonard Wittenborn is one of 55,389 workers comp attorneys indexed nationally. Browse workers comp attorneys in District of Columbia →

Environmental Law

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

John Leonard Wittenborn 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.

John Leonard Wittenborn 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 John Leonard Wittenborn

Where is John Leonard Wittenborn's law office located?
John Leonard Wittenborn's law practice is located in Washington, District of Columbia. The firm is Kelley Drye And Warren Llp. You can contact the office directly through this profile page.
What practice areas does John Leonard Wittenborn handle?
John Leonard Wittenborn focuses on tax, workers comp, environmental, health care. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has John Leonard Wittenborn practiced law?
John Leonard Wittenborn has 52+ years of legal experience and has been licensed since 1974.
Where did John Leonard Wittenborn go to law school?
John Leonard Wittenborn earned their education at (LL.M. Environmental, 1980); (B.S., 1971).
How can I contact John Leonard Wittenborn for a consultation?
You can contact John Leonard Wittenborn 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

LL.M. Environmental
George Washington University Law School
- 1980
B.S.
United States Air Force Academy
- 1971

Bar Admissions

IN and OH
Admitted: 1974
Indiana
Admitted: 1974
Ohio
Admitted: 1974
D.C
Admitted: 1986

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