Atty. Mark Andrew Byrne

Atty. Mark Andrew Byrne

Mark Andrew Byrne is a lawyer practicing criminal defense, corporate compliance, internal investigations and 5 other areas of law. Mark received a B.A. degree from University of California at Los Angeles in 1981, and has been licensed for 42 years.

Los Angeles Los Angeles 42 yrs experience 42 year
Call (213) 516-5807 Book Appointment

Profile Summary

About Mark Andrew Byrne at a glance

Mark Andrew Byrne is a Member based in Los Angeles, California, practicing at Byrne And Nixon Llp. They have 42+ years of legal experience, licensed to practice since 1984. Their practice focuses on criminal defense, business, tax litigation, white collar, and litigation. Admitted to practice in California (1984). Educated at University of Notre Dame (J.D., 1984) and University of California at Los Angeles (B.A. University, 1981). Recognitions include AV Preeminent. Active member of Los Angeles County (Member, Criminal Justice Section), Federal (Los Angeles Chapter: Board of Directors, 1997— President-Elect) and American (Member, Criminal Justice Section, 1996— White Collar Crime Committee, 1996—) Bar Associations. Serands clients in Los Angeles, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mark Andrew Byrne is a lawyer practicing criminal defense, corporate compliance, internal investigations and 5 other areas of law
  • Mark received a B.A. degree from University of California at Los Angeles in 1981, and has been licensed for 42 years
  • Mark practices at Byrne & Nixon LLP in Los Angeles, CA

Practice Areas Explained

Mark Andrew Byrne's Areas of Practice

Each practice area below reflects the types of cases Mark Andrew Byrne 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.

Mark Andrew Byrne is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in California →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Mark Andrew Byrne is one of 501,317 business attorneys indexed nationally. Browse business attorneys in California →

Tax Litigation

Mark Andrew Byrne is one of 3,110 tax litigation attorneys indexed nationally. Browse tax litigation attorneys in California →

White Collar Crimes

Mark Andrew Byrne is one of 20,025 white collar attorneys indexed nationally. Browse white collar attorneys in California →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Mark Andrew Byrne is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in California →

Jurisdictional Context

Why local counsel matters in California

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

Looking for additional California attorneys? Browse all attorneys in Los Angeles or all attorneys in California.

Frequently Asked

Common questions about Mark Andrew Byrne

Where is Mark Andrew Byrne's law office located?
Mark Andrew Byrne's law practice is located in Los Angeles, California. The firm is Byrne And Nixon Llp. You can contact the office directly through this profile page.
What practice areas does Mark Andrew Byrne handle?
Mark Andrew Byrne focuses on criminal defense, business, tax litigation, white collar, litigation. Each practice area listed reflects experience handling cases of that type in California.
How long has Mark Andrew Byrne practiced law?
Mark Andrew Byrne has 42+ years of legal experience and has been licensed since 1984.
Where did Mark Andrew Byrne go to law school?
Mark Andrew Byrne earned their education at (J.D., 1984); (B.A. University, 1981).
How can I contact Mark Andrew Byrne for a consultation?
You can contact Mark Andrew Byrne 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 Mark Andrew Byrne received?
Mark Andrew Byrne's notable recognition includes: AV Preeminent.

Education

J.D.
University of Notre Dame
- 1984
B.A. University
University of California at Los Angeles
- 1981

Awards

AV Preeminent

Bar Admissions

California
Admitted: 1984

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