Atty. Duffy Knoll

Atty. Duffy Knoll

Duffy Knoll is a lawyer practicing telecommunications law, technology law, business law and 1 other area of law. Duffy received a B.A. degree from Georgetown University in 1989, and has been licensed for 33 years.

Washington Washington 33 yrs experience 33 year
Call (771) 999-5447 Book Appointment

Profile Summary

About Duffy Knoll at a glance

Duffy Knoll is a business and internet attorney based in Washington, District of Columbia. They have 33+ years of legal experience, licensed to practice since 1993. Admitted to practice in Maryland (1993), U.S. District Court, District of Maryland (1994), and District of Columbia (1996). Educated at Georgetown University (J.D., 1993) and Georgetown University (B.A., 1989). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Duffy Knoll is a lawyer practicing telecommunications law, technology law, business law and 1 other area of law
  • Duffy received a B.A. degree from Georgetown University in 1989, and has been licensed for 33 years
  • Duffy practices in Washington, DC

Practice Areas Explained

Duffy Knoll's Areas of Practice

Each practice area below reflects the types of cases Duffy Knoll 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.

Duffy Knoll is one of 501,317 business attorneys indexed nationally. Browse business attorneys in District of Columbia →

Internet & Cyber Law

Internet and cyber lawyers for data breaches, online defamation, privacy law, and cybersecurity matters.

Duffy Knoll is one of 17,958 internet attorneys indexed nationally. Browse internet 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 Duffy Knoll

Where is Duffy Knoll's law office located?
Duffy Knoll's law practice is located in Washington, District of Columbia. You can contact the office directly through this profile page.
What practice areas does Duffy Knoll handle?
Duffy Knoll focuses on business, internet. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Duffy Knoll practiced law?
Duffy Knoll has 33+ years of legal experience and has been licensed since 1993.
Where did Duffy Knoll go to law school?
Duffy Knoll earned their education at (J.D., 1993); (B.A., 1989).
How can I contact Duffy Knoll for a consultation?
You can contact Duffy Knoll 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.
Georgetown University
- 1993
B.A.
Georgetown University
- 1989

Bar Admissions

Maryland
Admitted: 1993
U.S. District Court, District of Maryland
Admitted: 1994
District of Columbia
Admitted: 1996

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