David E. Barry

Dave Barry is a partner in Pierce Atwood’s Litigation Practice Group. Dave served as the firm’s managing partner from 2016 through 2025.  Previously, Dave was chair of the firm’s Litigation Practice Group and chaired the firm’s Government Investigations and White Collar Criminal Defense practice.

Dave has managed complex business litigation in federal and state courts and has extensive experience assisting clients with government enforcement and compliance matters involving potential criminal penalties. 

His practice has included representing corporate and individual clients (directors, officers, and other employees) in connection with internal investigations and federal and state criminal and regulatory investigations and enforcement matters, including U.S. Department of Justice and Securities and Exchange Commission investigations, banking and financial crimes, environmental crimes and health care fraud.

Dave served as Chief Associate Independent Counsel in the Office of Independent Counsel Ralph I. Lancaster, which investigated allegations of criminal conduct on the part of President Clinton's Secretary of Labor and other officials. Dave and Ralph Lancaster represented the Chief Justice of the New Hampshire Supreme Court in impeachment proceedings before the New Hampshire House of Representatives.