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Services
- Litigation
- Commercial Litigation
- IP Litigation
- Investigations - Government & Special
- Privacy & Security
- Government Contracts
- Health Care
Education
Loyola Law School Los Angeles(J.D., 1989)
University of California, Los Angeles(B.A., 1986)
Admitted to Practice in California
Michael Zweiback is a partner in the firm’s Los Angeles office focusing his practice on governmental and corporate
investigations, white collar criminal defense, environmental crimes, privacy and data security matters. He joins the firm
from the U.S. Attorney’s Office in Los Angeles, where he had been chief of the Cyber and Intellectual Property Crimes
Section since 2007.
In 1990, Michael began his service in the U.S. Attorney’s Office, where his practice included the investigation and
prosecution of intellectual property offenses, complex business crimes, white-collar fraud including health care fraud and
corruption matters. During this time, Michael successfully prosecuted over 20 complex federal jury trials. In addition,
Michael served for two years as deputy chief of the Organized Crime Strike Force and three years as the deputy chief of the
Organized Crime and Terrorism Section, supervising over 15 prosecutors and staff members.
In 2005, Michael joined the agency’s Cyber & Intellectual Property Crimes Section. He was promoted to chief two years later.
As chief, his responsibilities included the investigation and prosecution of complex computer crimes involving the intrusion
of corporate and government computer networks and e-commerce fraud schemes. He also prosecuted offenses involving the theft
of intellectual property, including the theft of corporate trade secrets, criminal copyright, trademark, and violations of
the Digital Millennium Copyright Act. His supervisory responsibilities included the review of charging decisions and the
supervision of investigations and trials.
While with the U.S. Attorney’s office, Michael was the recipient of the Director’s Award for Superior Performance as an
Assistant U.S. Attorney in 1997 and 1999. He was also awarded the Department of Justice Special Achievement Award in 1993
and 1996 and was an instructor for the Attorney General’s Advocacy Institute.
Representative Experience
During his tenure, Michael was primarily responsible for several high-profile investigations and prosecutions, including:
- Successfully prosecuted the largest domestic seizure of counterfeit business software and licenses (United States v.
Sanh Thai, et. al.).
- Operation Summer Solstice, largest international seizure of counterfeit software. First coordination of law enforcement
efforts in intellectual property matters between the United States and China.
- Investigation and prosecution of a computer intrusion into the University of Southern California on-line student
application database resulting in the theft of student applicant social security numbers (United States v. Eric
McCarty).
- Investigation and prosecution of a civilian scientist for the theft of classified national security information from a
defense contractor (United States v. Abraham Lesnick).
