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Isaac C. Fleisher
  • Associate

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Isaac is an accomplished transactional attorney with broad experience in all aspects of business representation. As a native of Western Massachusetts, Isaac is passionate about working with local businesses to help them thrive and achieve their goals. His practice focuses on business formation and financing, land use and real estate, and he has developed a specialty in the rapidly growing cannabis industry in Massachusetts. Isaac began his legal career working as in-house counsel for a prominent licensing agency in New York City, where he managed the international rights to well-known works of musical theater. Whether he is working with a small start-up or a large company, Isaac’s focus is always on the unique needs of each client. 

Bar & Court Admissions

  • Massachusetts
  • New York
  • U.S. District Court District of Massachusetts


  • Brooklyn Law School, Brooklyn, New York
    • J.D. - 2012
    • Honors: cum laude
  • Wesleyan University
    • B.A. - 2005

Awards, Achievements & Appointments

  • Member, Board of Directors, Lander-Grinspoon Academy, 2016-Present
  • Member, Pro Bono Advisory Board, Hampden County Bar Association, 2018-Present
  • Volunteer Attorney, Hampden County Housing Court Legal Clinic, 2016
  • Volunteer, iMentor NYC, 2014-2016
  • Volunteer, Teva Learning Alliance Advisory Council (NYC), 2013-2016

Professional & Community Activities

  • CALI Excellence for the Future Award in Intensive Land Use Controls
  • CALI Excellence for the Future Award in Legal Issues Affecting Sustainable Building