David Margulis


David focuses his practice on commercial litigation, working on a wide range of matters including antitrust actions, complex civil RICO disputes, defamation actions, and contractual disputes. In addition, he represents BIPA defendants in complex BIPA class actions involving federal law preemption. David is part of a sub-group developing cutting-edge BIPA defenses to advance the law for BIPA defendants facing increasingly volatile BIPA case law.  

While in law school, David served as a summer associate to both Cozen O'Connor and Madison Square Garden. He also worked in the Massachusetts Attorney General's Office in the White Collar and Public Integrity Division. David earned his B.A. from the University of Michigan and his J.D. from Harvard Law School.



Cozen O'Connor Secures First Amendment Victory for Arizona Capitol Times

May 17, 2023

Cozen O'Connor has secured a victory for its client, BridgeTower Media, in a case involving the First Amendment rights of journalists.


  • Harvard Law School, J.D., 2020
  • University of Michigan, B.A., with honors, 2017
  • New York