David Bamberger > DLA Piper LLP (US) > Washington DC, United States > Lawyer Profile

DLA Piper LLP (US)
United States

Work Department

Antitrust and Competition; Litigation, Arbitration and Investigations; Class Actions; Intellectual Property and Technology; Regulatory and Government Affairs; Insurance and Reinsurance Disputes; Insurance; Healthcare


Partner, Co-Head of DLA Piper’s DC Litigation Practice


David Bamberger has been litigating for more than 35 years in federal and state courts around the country, as well as before arbitration panels. He devotes a substantial portion of his practice to litigating complex antitrust and trade regulation matters, including class action cases.

David has tried scores of cases, many of them jury trials, and has argued appeals in many appellate courts, including the Supreme Court of the United States. In addition to maintaining an active litigation practice, David also regularly counsels clients in a variety of industries on antitrust and trade regulation matters.


J.D., George Washington University; M.A., University of Toronto; B.A., Trinity College

Lawyer Rankings

United States > Antitrust > Civil litigation/class actions: defense

DLA Piper LLP (US) is praised for the ‘incredible depth of its worldwide practice’ and ‘the ability to pool resources from a wide range of attorneys’. Lisa Tenorio-Kutzkey leads the practice from San Francisco with strong capabilities in bet-the-company litigation and multi-jurisdictional cases. David Bamberger, described as a ‘dogged advocate, a brilliant tactician, and a very thoughtful lawyer’, is located in Washington DC and focuses on a wide range of litigation matters relating to antitrust and trade regulation, including class actions. Other names to note in the firms Chicago office are business and antitrust litigators John Hamill and Robby Robertson. Former co-chair of the group Lesli Esposito left the firm in February 2021.