Atty. Arthur Ws Duff

Atty. Arthur Ws Duff

Arthur Ws Duff is a lawyer practicing adversairal, antitrust & trade law, appeals and 2 other areas of law. Arthur has been licensed for 23 years.

Washington Washington 23 yrs experience 23 year
Call (443) 909-4791 Book Appointment

Profile Summary

About Arthur Ws Duff at a glance

Arthur Ws Duff is an Attorney based in Washington, District of Columbia, practicing at O Melveny And Myers Llp. They have 23+ years of legal experience, licensed to practice since 2003. Their practice focuses on appellate and aviation. Admitted to practice in District of Columbia (2003). Educated at University of Chicago Law School JD - Juris Doctor (—). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Arthur Ws Duff is a lawyer practicing adversairal, antitrust & trade law, appeals and 2 other areas of law
  • Arthur has been licensed for 23 years
  • Arthur practices at O'Melveny & Myers LLP in Washington, DC

Practice Areas Explained

Arthur Ws Duff's Areas of Practice

Each practice area below reflects the types of cases Arthur Ws Duff handles, with a brief overview of what that area of law covers.

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

Arthur Ws Duff is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in District of Columbia →

Aviation Law

Aviation attorneys for aircraft accidents, FAA regulation, pilot defense, and aviation industry matters.

Arthur Ws Duff is one of 9,225 aviation attorneys indexed nationally. Browse aviation 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 Arthur Ws Duff

Where is Arthur Ws Duff's law office located?
Arthur Ws Duff's law practice is located in Washington, District of Columbia. The firm is O Melveny And Myers Llp. You can contact the office directly through this profile page.
What practice areas does Arthur Ws Duff handle?
Arthur Ws Duff focuses on appellate, aviation. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Arthur Ws Duff practiced law?
Arthur Ws Duff has 23+ years of legal experience and has been licensed since 2003.
Where did Arthur Ws Duff go to law school?
Arthur Ws Duff earned their education at (—).
How can I contact Arthur Ws Duff for a consultation?
You can contact Arthur Ws Duff 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

University of Chicago Law School JD - Juris Doctor
- In Progress

Bar Admissions

District of Columbia
Admitted: 2003

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