Steven Nathan

Steven M. Nathan

  • Senior Attorney
  • New York
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Steve’s work focuses on complex antitrust and cybersecurity litigation. He also represents clients in civil investigations initiated by State Attorneys General.   Steve’s strength is his ability to handle diverse matters, from taking on key roles in case initiation and discovery through participating in leadership strategy meetings to ensure that the case team is prepared to handle all issues that may arise.   Steve is frequently tasked with leading discovery, including implementing review-related protocols, taking and defending depositions, serving as a mentor to newer attorneys, and helping to ensure that our firm and our co-counsel continue to achieve outstanding results for our clients.

Steve’s early legal career was spent primarily practicing business, securities, and administrative litigation as an Associate in Am Law 100 firms in New York and Los Angeles.  Through this work, he honed his legal skills and began to focus on sophisticated antitrust and securities fraud cases. In the area of administrative law, Steve assisted in obtaining a precedent-setting interpretation of a liability provision of the Federal Aviation Regulations to the benefit of a major firm client.


Steve represents competitors and customers in antitrust and competition matters.  In cybersecurity and data breach cases, Steve represents both payment card issuer and consumer classes in the most substantial cybersecurity and data breach cases resolved and currently being litigated.