David P. Cowen

David Cowen is a former federal and state prosecutor with over 14 years of experience who focuses his practice on investigations and white-collar defense. Prior to joining Honigman, David served as an Assistant U.S. Attorney in the Eastern District of Michigan and the District of New Mexico, where he led high-stakes investigations and prosecutions in cases involving white-collar crime, violent crime, and complex conspiracies. In addition, David has served as a Deputy District Attorney in state court where he supervised complex investigations and prosecutions related to violent crime and controlled substances. While he was a state prosecutor, David was appointed a Special Assistant U.S. Attorney, which allowed him to simultaneously oversee state and federal investigations. He also has experience providing advice to state and local authorities on the impact of proposed legislation and regulations.

David’s white-collar expertise includes prosecuting pandemic-related fraud, wire and mail fraud, aggravated identity theft, and environmental crimes, as well as advising on intricate financial and legal matters. He has hands-on experience managing investigations under the Racketeer Influenced and Corrupt Organizations Act (RICO) and Violent Crimes in Aid of Racketeering (VICAR).

David has tried dozens of jury trials in federal and state courts and argued hundreds of evidentiary and procedural motions, demonstrating his ability to handle complex litigation at any stage. His work includes managing crises such as child abductions, school shootings, officer involved shootings, and internal investigations, as well as leveraging digital tools and e-discovery in multifaceted cases. Notably, he successfully argued an appeal resulting in a published opinion by the U.S. Court of Appeals.

David’s practice focuses on providing strategic counsel to companies, universities, or executives who are confronted with federal, state, or local investigations. With a strong foundation in cybersecurity, privacy, and constitutional matters, David offers clients a strategic, results-driven approach to navigating complex investigations and litigation. He has a deep understanding of federal and state law, and significant experience presenting to stakeholders at all levels.

Practice Areas

Prior Experience

• The United States Attorney’s Office, Assistant United States Attorney
• Office of the District Attorney, Eleventh Judicial District, Division I, Deputy District Attorney

Education

Admissions

Court Admissions