Atty. David Oscar Markus

Atty. David Oscar Markus

Mr. David Oscar Markus is a lawyer practicing criminal law, criminal defense, criminal and 3 other areas of law.

Miami Miami 29 yrs experience 29 year
Call (305) 909-8451 Book Appointment

Profile Summary

About David Oscar Markus at a glance

David Oscar Markus is a Member based in Miami, Florida, practicing at Markus & Markus, PLLC. They have 29+ years of legal experience, licensed to practice since 1997. Their practice focuses on criminal defense, federal crimes, and white collar. Admitted to practice in Florida (1997), U.S. District Court, Southern District of Florida (1998), and District of Columbia U.S. District Court, Northern District of Florida U.S. District Court, Middle D (1998). Educated at Harvard University (J.D., 1997) and Emory University B.A. (—). Recognitions include AV Preeminent. Active member of The Florida Bar The District of Columbia Bar American Bar Association National Association of Criminal Defense Lawyers. Serands clients in Miami, FL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. David Oscar Markus is a lawyer practicing criminal law, criminal defense, criminal and 3 other areas of law
  • David received a B.A. degree from Emory University, and has been licensed for 29 years
  • David practices at Markus & Markus, PLLC in Miami, FL

Practice Areas Explained

David Oscar Markus's Areas of Practice

Each practice area below reflects the types of cases David Oscar Markus handles, with a brief overview of what that area of law covers.

Criminal Defense

A criminal defense attorney protects your rights from arrest through trial. Find experienced lawyers handling DUI, drug, federal, theft, and violent-crime charges.

David Oscar Markus is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in Florida →

Federal Crimes

David Oscar Markus is one of 6,773 federal crimes attorneys indexed nationally. Browse federal crimes attorneys in Florida →

White Collar Crimes

David Oscar Markus is one of 20,025 white collar attorneys indexed nationally. Browse white collar attorneys in Florida →

Jurisdictional Context

Why local counsel matters in Florida

Practicing law in Florida. Legal matters in Florida are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Miami are typically filed in the local municipal court or the appropriate Florida state district court, depending on subject matter and amount in controversy. An attorney licensed in Florida 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 Florida courts without local counsel or pro hac vice admission.

Looking for additional Florida attorneys? Browse all attorneys in Miami or all attorneys in Florida.

Frequently Asked

Common questions about David Oscar Markus

Where is David Oscar Markus's law office located?
David Oscar Markus's law practice is located in Miami, Florida. The firm is Markus & Markus, PLLC. You can contact the office directly through this profile page.
What practice areas does David Oscar Markus handle?
David Oscar Markus focuses on criminal defense, federal crimes, white collar. Each practice area listed reflects experience handling cases of that type in Florida.
How long has David Oscar Markus practiced law?
David Oscar Markus has 29+ years of legal experience and has been licensed since 1997.
Where did David Oscar Markus go to law school?
David Oscar Markus earned their education at (J.D., 1997); (—).
How can I contact David Oscar Markus for a consultation?
You can contact David Oscar Markus 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.
What awards or recognition has David Oscar Markus received?
David Oscar Markus's notable recognition includes: AV Preeminent.

Education

J.D.
Harvard University
- 1997
Emory University B.A.
- In Progress

Awards

AV Preeminent

Bar Admissions

Florida
Admitted: 1997
U.S. District Court, Southern District of Florida
Admitted: 1998
District of Columbia U.S. District Court, Northern District of Florida U.S. District Court, Middle D
Admitted: 1998

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