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Justin E. Mann focuses his practice on corporate matters, with an emphasis on transactions involving Delaware corporations, limited liability companies, and limited partnerships. He advises public and private companies in connection with mergers and acquisitions, public offerings, asset sales, stock purchases and issuances, contests for corporate control, going-private transactions, and structuring and operation of funds and joint ventures. Justin also routinely advises on corporate governance matters, including statutory ratifications, and renders third-party and nonconsolidation opinions on Delaware corporations, limited liability companies, and limited partnerships.



  • Representation of NeoImmuneTech, Inc., a clinical-stage T cell-focused biopharmaceutical company, in its US$103 million initial public offering (IPO) on the Korea Exchange (KOSDAQ).

Recognition & Leadership

  • Listed, The Best Lawyers in America, "Ones to Watch," 2021-2024
    • Mergers and Acquisitions Law, 2021-2024
    • Banking and Finance Law, 2022-2024
    • Corporate Law, 2022-2024
  • Member, Delaware State Bar Association
    • Member, Committee on Limited Liability Companies and Partnerships
    • Vice-Chair, Young Lawyers Section
    • Event Co-Chair, Race Judicata


  • J.D., Columbia Law School, 2011
    • Staff Member, Columbia Journal of Gender and Law
  • B.A., New York University, 2007
  • Hon. Marcy S. Friedman, Supreme Court of the State of New York, Commercial Division, 2013-2014
  • Delaware