Patrick J.Manion (Pat)


Washington + 1.202.879.3455

Pat Manion represents companies and their directors and officers in investigations by the United States Department of Justice (DOJ), Securities and Exchange Commission (SEC), and other federal agencies. He has experience defending individuals and corporations in government and criminal investigations involving fraud, corruption, insider trading, international sanctions violations, and potential violations of the Foreign Corrupt Practices Act (FCPA).

Pat has conducted cross-border internal investigations into allegations of misconduct on behalf of clients in South America, Asia, Europe, and the Middle East. His experience spans a variety of industries, including international logistics, oil and gas, transportation, nuclear energy, information technology, infrastructure, advanced manufacturing, and retail.

Prior to attending law school, Pat spent four years as a professional staffer to a member of Congress in the U.S. House of Representatives. During his four years on Capitol Hill, Pat covered an array of policy issues as a legislative assistant and served as the primary staff contact for his member's role on the Oversight and Government Reform committee, where he assisted the member with Congressional oversight and investigations. Pat maintains an active pro bono practice representing immigrants seeking asylum in the United States.


  • Global transportation company conducts internal investigation into leak of confidential business informationJones Day conducted an investigation on behalf of a global transportation infrastructure company into the leak of confidential business information, which resulted in identifying the culpable individual and taking action against the individual.
  • Former CEO successfully resolves insider trading investigation by SEC after Wells SubmissionJones Day successfully defended a former CEO of a transportation company in an SEC investigation of insider trading.
  • CEO of international logistics company obtains post-indictment dismissal of all chargesJones Day obtained a post-indictment Non-Prosecution Agreement and dismissal of all charges against the former CEO of an international logistics company charged with engaging in an alleged multi-billion dollar fraud scheme and violating OFAC laws.