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.
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.
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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
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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.
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 →
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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.
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