Atty. Diego Samuel Marquez

Atty. Diego Samuel Marquez

Mr. Diego Samuel Marquez is a lawyer practicing ethics / professional responsibility, antitrust / trade law, intellectual property and 8 other areas of law.

Washington Washington 18 yrs experience 18 year
Call (202) 816-6222 Book Appointment

Profile Summary

About Diego Samuel Marquez at a glance

Diego Samuel Marquez is a Senior Associate based in Washington, District of Columbia, practicing at Alston And Bird Llp. They have 18+ years of legal experience, licensed to practice since 2008. Their practice focuses on ip, government, and international. Admitted to practice in New York (2008) and District of Columbia (2009). Educated at Georgetown University (J.D., 2007) and Davidson College (B.A., 2003). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Diego Samuel Marquez is a lawyer practicing ethics / professional responsibility, antitrust / trade law, intellectual property and 8 other areas of law
  • Diego received a B.A. degree from Davidson College in 2003, and has been licensed for 18 years
  • Diego practices at Alston & Bird LLP in Washington, DC

Practice Areas Explained

Diego Samuel Marquez's Areas of Practice

Each practice area below reflects the types of cases Diego Samuel Marquez handles, with a brief overview of what that area of law covers.

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Diego Samuel Marquez is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in District of Columbia →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

Diego Samuel Marquez is one of 132,225 government attorneys indexed nationally. Browse government attorneys in District of Columbia →

International Law

International law attorneys for cross-border transactions, trade, foreign investment, and treaties.

Diego Samuel Marquez is one of 40,133 international attorneys indexed nationally. Browse international 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 Diego Samuel Marquez

Where is Diego Samuel Marquez's law office located?
Diego Samuel Marquez's law practice is located in Washington, District of Columbia. The firm is Alston And Bird Llp. You can contact the office directly through this profile page.
What practice areas does Diego Samuel Marquez handle?
Diego Samuel Marquez focuses on ip, government, international. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has Diego Samuel Marquez practiced law?
Diego Samuel Marquez has 18+ years of legal experience and has been licensed since 2008.
Where did Diego Samuel Marquez go to law school?
Diego Samuel Marquez earned their education at (J.D., 2007); (B.A., 2003).
How can I contact Diego Samuel Marquez for a consultation?
You can contact Diego Samuel Marquez 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
- 2007
B.A.
Davidson College
- 2003

Bar Admissions

New York
Admitted: 2008
District of Columbia
Admitted: 2009

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