Arthur T.O'Reilly (Art)


Detroit + 1.313.230.7925

Art O'Reilly has an international practice representing clients in high-stakes litigation and cross-border disputes. He helps clients manage risks and resolve disputes arising out of their operations in a variety of industries, including automotive, health care, financial services, cryptocurrency and digital assets, life sciences, energy, private equity, and pharmaceuticals. As part of his work on behalf of mobility clients, Art has advised clients with respect to various electric vehicle (EV) and EV charging matters.

Art has served as lead trial lawyer in high-profile and high-risk matters, regularly representing clients in "bet the company" litigation and cases involving billions of dollars of exposure. Among other things, prior to rejoining Jones Day, he represented the Detroit Institute of Arts in the City of Detroit's historic chapter 9 bankruptcy case, helping to safeguard its multibillion dollar art collection from creditors. Art has been recognized multiple times by Chambers USA, which notes that he "continues to develop a solid litigation practice, which sees him acting for well-known automotive, life sciences and telecommunications clients" and is "very good at thinking through the issues and dealing with multifaceted problems."

Art has tried cases to courts, juries, arbitration panels, and administrative law judges in jurisdictions around the country. He has extensive experience in class actions, supply chain and manufacturing litigation, commercial arbitration, automotive and warranty litigation, antitrust, Employee Retirement Income Security Act (ERISA), internal investigations, False Claims Act (FCA) litigation, bankruptcy litigation, shareholder and derivative litigation, and mergers and acquisitions litigation.


  • Adient defends putative antitrust action alleging an unlawful boycott in the automotive seat cover industryJones Day is representing Adient plc in a putative antitrust action in which a Tier 2 supplier alleges that Tier 1 suppliers entered into an unlawful agreement with an OEM to refuse to purchase seat covers from the Tier 2 supplier.
  • Conway MacKenzie acquired by RiveronJones Day advised Conway MacKenzie, Inc., a leading turnaround, restructuring, and operational improvement firm, in its sale to Riveron, a national business advisory firm specializing in accounting, finance, and operations.
  • Major appliance manufacturer defends putative nationwide class action alleging design defects in dryersJones Day is serving as lead counsel in defense of a putative nationwide class action alleging that certain dryers manufactured by a major appliance manufacturer include a design defect.