Atty. C. Michael Zweiback

Atty. C. Michael Zweiback

Michael Zweiback has significant experience in matters involving the theft of trade secrets, intellectual property disputes, national security, technology, privacy and data security, and complex commercial litigation. Michael previously served as an assistant U.S. attorney and while in this role, served as chief of the Cyber & Intellectual Property Crimes Section and was the principal advisor to the U.S.

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Profile Summary

About C. Michael Zweiback at a glance

C. Michael Zweiback is a criminal defense and white collar attorney based in Costa Mesa, California, practicing at Larson LLP. Educated at Loyola Marymount University (J.D., 1989) and University of California - Los Angeles (B.A., 1986). Recognitions include Best Lawyers in America — Criminal Defense: White-Collar (2026), Best Lawyers in America — Additional Areas of Practice: (2026), and Best Lawyers in America — Litigation - Health Care (2026). Serands clients in Costa Mesa, CA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Michael Zweiback has significant experience in matters involving the theft of trade secrets, intellectual property disputes, national security, technology, privacy and data security, and complex commercial litigation
  • Michael previously served as an assistant U.S. attorney and while in this role, served as chief of the Cyber & Intellectual Property Crimes Section and was the principal advisor to the U.S
  • Attorney General’s Advisory Committee on Cyber Crime
  • He has more than 25 years of trial experience, including civil litigation and international arbitration
  • Michael is a contributor to radio, television and print media on cybersecurity and privacy issues
  • Michael also participates in The George Washington University Center for Cyber and Homeland Security’s Active Defense Task Force, which is developing best practices for business and government in addressing cyber threats
  • Michael has significant experience defending government investigations on behalf of individuals and corporations in health care (providers and hospitals), financial services, antitrust, environmental and anticorruption, including the Foreign Corrupt Practices Act (FCPA)
  • He also defends against enforcement actions brought by agencies such as the SEC, FTC, FCC and Department of Health and Human Services and against violations of various provisions of federal and state data security laws brought by attorney general offices
  • Expand AllCollapse All Experience

Practice Areas Explained

C. Michael Zweiback's Areas of Practice

Each practice area below reflects the types of cases C. Michael Zweiback 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.

C. Michael Zweiback is one of 214,270 criminal defense attorneys indexed nationally. Browse criminal defense attorneys in California →

White Collar Crimes

C. Michael Zweiback is one of 20,025 white collar attorneys indexed nationally. Browse white collar 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 Costa Mesa 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 Costa Mesa or all attorneys in California.

Frequently Asked

Common questions about C. Michael Zweiback

Where is C. Michael Zweiback's law office located?
C. Michael Zweiback's law practice is located in Costa Mesa, California. The firm is Larson LLP. You can contact the office directly through this profile page.
What practice areas does C. Michael Zweiback handle?
C. Michael Zweiback focuses on criminal defense, white collar. Each practice area listed reflects experience handling cases of that type in California.
Where did C. Michael Zweiback go to law school?
C. Michael Zweiback earned their education at (J.D., 1989); (B.A., 1986).
How can I contact C. Michael Zweiback for a consultation?
You can contact C. Michael Zweiback 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 C. Michael Zweiback received?
C. Michael Zweiback's notable recognition includes: Best Lawyers in America — Criminal Defense: White-Collar; Best Lawyers in America — Additional Areas of Practice:; Best Lawyers in America — Litigation - Health Care; Best Lawyers in America — Privacy and Data Security Law.

Education

J.D.
Loyola Marymount University
- 1989
B.A.
University of California - Los Angeles
- 1986

Awards

Best Lawyers in America — Criminal Defense: White-Collar
- 2026
Best Lawyers in America — Additional Areas of Practice:
- 2026
Best Lawyers in America — Litigation - Health Care
- 2026
Best Lawyers in America — Privacy and Data Security Law
- 2026

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