Rosemary Harnisher

Rosemary Harnisher is an attorney with Rivkin Radler LLP in Uniondale, New York, where she focuses her practice on Trusts and Estates. She advises individuals and families on a wide range of trust and estate planning and administration matters, with an emphasis on practical, tax-conscious strategies tailored to each client’s objectives.

Rosemary works with clients to develop and implement comprehensive estate plans intended to address personal, family, and financial goals while facilitating the orderly transfer of wealth. Her work includes reviewing and analyzing existing estate plans and advising on potential planning opportunities, such as evaluating whether irrevocable trusts may be decanted or modified to reflect changing circumstances or laws.

In addition, Rosemary prepares and reviews federal gift tax returns and regularly collaborates with multigenerational families and their professional advisors on business succession planning. She assists clients by drafting and reviewing wills, trust agreements, advance directives, beneficiary designations, and related corporate and entity documents to ensure estate plans are coordinated and effective.

Rosemary also represents fiduciaries and beneficiaries throughout the trust and estate administration process. Her experience includes probate proceedings, asset valuation and collection, preparation of federal and New York estate tax returns, fiduciary accounting matters, and post-mortem tax planning. She has represented clients in estate tax audits and provides ongoing guidance to help navigate administrative and compliance requirements.