William Paul Ziegelmueller

Bill is a seasoned trial lawyer who represents individual and corporate clients in federal criminal investigations, regulatory enforcement actions, civil litigation, and corporate internal investigations. He has experience in federal district and appellate courts across the country, including first-chair trial experience in both civil and criminal cases.

He represents corporations and individuals accused of alleged wrongdoing, such as fraud, political corruption, tax evasion, extortion, bribery, foreign corrupt practices, and antitrust violations. Bill is familiar with the technical coding and billing requirements of federal health care programs, and he frequently advises health care providers in responding to government audits and subpoenas, and, if necessary, in litigating civil or criminal charges. He also counsels providers in defending against claims brought by qui tam relators.

Bill has experience in defending clients involved in investigations and enforcement actions conducted by the SEC, IRS, CFTC, OCC, ICE, FDA, USDA, and other regulatory agencies. He has been involved in several investigations related to the EB-5 visa program, government purchasing rules, anti-dumping duties, and the marketing of pharmaceuticals.

His civil litigation has involved a range of executive employment and compensation disputes, unfair competition and corporate breach of contract cases, and insurance matters.