Stefan Atkinson is a litigation partner in Kirkland’s New York office.

Stefan works on a range of complex litigation matters in the United States and abroad, including securities, M&A and antitrust suits. He also regularly counsels companies and their directors on issues of corporate governance and litigation, often in connection with major strategic transactions. Stefan’s clients have included 3G Capital, Barnes & Noble, Grubhub, H.J. Heinz, Mylan, Pitney Bowes, Qualcomm, Six Flags, Starwood Hotels, Vitamin Shoppe, The Williams Companies and Xerox.


Thought Leadership


“Securities Law and the Supremacy Clause,” Securities Regulation Daily, April 30, 2021 

"Delaware Supreme Court Approves Provision to Keep Federal Securities Claims in Federal Courts," Kirkland Alert, March 19, 2020

“Securities Litigation: Mapping A Strategy For Defending Against Fraud Claims,” (Panel Member) Corporate Disputes, December 12, 2019 

"Choose Wisely — Drafting Governing Law and Forum Selection Clauses," Kirkland M&A Update, April 8, 2019


Recognized as a “Future Star” (NY) in Benchmark Litigation, 2020

Recognized for Securities Litigation: Defense by The Legal 500 United States, 2021

Recognized for General Commercial Disputes by The Legal 500 United States, 2020

Recognized as a Next Generation Lawyer for M&A Litigation: Defense by The Legal 500 United States, 2019–2021


Admissions & Qualifications

  • New York


  • University of Michigan Law SchoolJ.D.magna cum laude2009

    Henry M. Bates Memorial Scholarship (highest honor at graduation) 

    Managing Editor, Michigan Law Review

    Class Speaker

    Order of the Coif

  • Harvard UniversityA.B.cum laude2003

    Captain, Harvard Rugby Football Club

    President, Hasty Pudding Theatricals