Meet Patrick Delahunty
Patrick Delahunty is a founding partner of Delahunty & Nash LLP in San Mateo, California, where he represents individuals, companies, executives, professionals, and organizations in white collar criminal defense, government investigations, regulatory enforcement matters, health care fraud and compliance issues, securities-related matters, and complex commercial litigation. His practice is shaped by extensive experience on both sides of high-stakes federal investigations and litigation.
Before entering private practice, Patrick served nearly eight years as an Assistant United States Attorney in the Northern and Eastern Districts of California. As a federal prosecutor, he investigated and litigated fraud matters involving securities fraud, embezzlement, money laundering, mail fraud, wire fraud, health care fraud, and matters involving parallel civil enforcement proceedings, including SEC and False Claims Act investigations.
Patrick also served as a Health Care Fraud Coordinator and helped train new federal prosecutors on fraud prosecutions and the interaction between commonly charged financial crimes. He coordinated a multi-agency financial crimes task force, giving him practical insight into how federal agencies investigate, build, and pursue complex white collar cases.
A trial-tested attorney, Patrick has first-chaired multiple federal fraud trials and has handled cases involving expert testimony, forensic accounting, and complex financial evidence. His trial background includes eight cases taken to verdict as a prosecutor, many of which were multi-week fraud trials. In private practice, he has also represented international companies in multi-week federal court trials and has handled appellate matters before the U.S. Court of Appeals for the Ninth Circuit.
Earlier in his career, Patrick practiced at two international law firms in San Francisco, where he handled complex business tort, intellectual property, breach of contract, and insurance coverage disputes in state and federal court. He began his legal career as a law clerk to Chief Justice Gerry L. Alexander of the Washington Supreme Court.
Patrick earned his J.D. from the University of Washington School of Law in 2006. He also holds an M.A. from the University of Virginia and a B.A. from the University of Redlands, where he graduated summa cum laude and was elected to Phi Beta Kappa. He is admitted to practice in California, all four U.S. District Courts in California, and the U.S. Court of Appeals for the Ninth Circuit.