Pat is a litigator who focuses his practice on complex civil litigation and internal investigations. He has represented government contractors and health care providers in False Claims Act investigations and litigation throughout the country. In addition, he has led internal investigations for major government contractors and coordinated legal and public relations responses on behalf of corporate clients when their reputations are at stake. Pat also spent several months as a seconded in-house attorney with a major government contractor, where he conducted internal investigations and oversaw major litigation matters. In addition, he has experience representing companies in litigation involving claims of defamation, unfair competition, violations of environmental laws, patent infringement, and securities and ERISA class actions.

He has represented government contractors and health care providers accused of fraud in all phases of cases under the False Claims Act, including leading internal investigations of potential whistleblower complaints, assisting clients in responding to grand jury and federal agency subpoenas, negotiating settlements with the Department of Justice, and coordinating litigation in both intervened and non-intervened False Claims Act cases. Specifically, Pat successfully represented a client in a unanimous United States Supreme Court decision,Allison Engine Co., Inc. v. United States ex rel. Sanders, narrowing the scope of liability under the federal False Claims Act; negotiated a favorable settlement on behalf of a Department of Energy contractor in an action brought by the Department of Justice seeking damages and civil penalties under RCRA and the False Claims Act in connection with the investigation and remediation of TCE groundwater contamination at a National Priorities List site in Kentucky; obtained dismissal of a False Claims Act case in the Northern District of Georgia that was affirmed on appeal by the Eleventh Circuit; obtained dismissal of a False Claims Act case in the Western District of Pennsylvania; and obtained dismissal of civil Anti-Kickback Act claims brought by the Department of Justice in two cases.

Dinsmore on FCA: News and Insights on the False Claims Act