David M. Ullian





800 Boylston St.
26th Floor
Boston, MA 02199

District of Columbia
South Carolina
North Carolina

J.D., Boston University School of Law
B.A., Amherst College


David M. Ullian is a Partner in Vicente LLP's Boston Office, where he advises clients with a wide variety of cannabis regulatory, licensing, permitting, compliance, and land use and zoning matters. He has extensive experience in the Massachusetts market, assisting a range of commercial cannabis clients, from multi-state operators to small family-owned companies, to navigate the evolving regulatory landscapes of the cannabis industry.

David routinely represents clients seeking host community agreements, special permits, site plan approvals and operating permits in municipalities across Massachusetts, and he has helped dozens of clients successfully obtain and maintain both medical and adult-use cannabis business licenses from the Massachusetts Cannabis Control Commission. David also guides clients undergoing complex regulatory changes of ownership and control, represents licensees subject to administrative enforcement actions, and assists cannabis businesses to mediate commercial disputes.

Since 2021, David has been recognized by his peers in the "Best Lawyers: Ones to Watch" list for his work in land use and zoning law. He was also recognized as one of "Boston's Top Lawyers" by Boston Magazine in 2021, 2022 and 2023.

David received his J.D. from Boston University School of Law, where he served as an Editor for the American Journal of Law & Medicine and completed a Concentration in Health Law with Honors. During law school, he worked as a legal intern at Boston Children’s Hospital, the Massachusetts Executive Office of Health and Human Services, and the American Civil Liberties Union of South Carolina. After law school, David was awarded a BU Law Public Service Fellowship to work in the General Counsel’s Office at the Medical University of South Carolina in Charleston. He received his B.A. from Amherst College, and before law school, he worked as a Corporate Legal Assistant in the New York Office of Debevoise & Plimpton LLP.

David is admitted to practice law in Massachusetts, the District of Columbia, North Carolina, and South Carolina.


Leadership & Community Involvement

  • Member, International Cannabis Bar Association (INCBA), February 2024 — Present




External Publications