Diane J. Moffet


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♦  Wharton School of the University of Pennsylvania (B.S., cum laude, 1983)

♦  New York University School of Law (J.D., 1989)



♦  New York

♦  U.S. Supreme Court

♦  U.S. Tax Court



  • Listed as one of Long Island Business News’ Who’s Who in Corporate Law


  • Member, New York State Bar Association
  • Member, Nassau County Bar Association Tax Law and Attorneys/Accountants Committee
  • Member, Nassau County Bar Association Surrogate’s Court Estates & Trusts and Corporation Law Committees
  • Member, IRS Long Island Tax Practitioner Liaison Committee
  • Member, Nassau County Women’s Bar Association



Affordable Care Act, Banking, Corporate, Mergers and Acquisitions, Real Estate, Taxation, and Trust and Estates


Diane J. Moffet focuses her practice on trusts and estates, tax, not-for-profit, corporate and real estate matters. Ms. Moffet is involved in preparing trust agreements, wills and other estate planning documents.  She works with private foundations and public charities on obtaining tax-exempt status and advises them on financial and tax reporting and corporate governance issues. Ms. Moffet also has experience in general corporate matters, business transactions and refinancings. She has represented individuals and corporations in federal and state tax controversies, appeals, hearings, audits and licensing matters.


Ms. Moffet graduated from the Wharton School of the University of Pennsylvania and then received her law degree from New York University School of Law. In addition to being admitted to the New York Bar, the U.S. Tax Court, the U.S. Supreme Court and the Eastern and Southern Districts of New York, she is licensed as a Certified Public Accountant.


Ms. Moffet is a Fellow of the New York Bar Foundation, and a member of the following organizations and committees: the Trust and Estates Committee of the New York State Bar Association, the Surrogate’s Court Estate and Trusts Committee and the Business Law, Tax and Accounting Committee of the Nassau County Bar Association, the Nassau County Women’s Bar Association and the IRS Long Island Practitioner Liaison Group.  She is a Trustee and the Secretary of The Atelier at Flowerfield, Inc., a 501(c)(3) arts organization in St. James, New York.