Patrick O’Sullivan is a partner in Herrick's Real Estate Department.

Patrick represents developers, investors, governmental entities and not-for-profit institutions on a range of real estate matters with a focus on development issues, particularly those that arise in connection with public-private transactions. He has represented clients on complex real estate transactions including acquisitions and dispositions, large-scale developments, joint ventures and construction projects for properties across the United States. He has also advised clients on the public and private financing of development projects, including public financial assistance for such projects.

Patrick joined Herrick from the Real Estate department of Cleary Gottlieb Stein & Hamilton LLP. Prior to joining Cleary, Patrick served as Executive Vice President and Head of the Real Estate Transactions Group at the New York City Economic Development Corporation (NYCEDC), working with leading real estate developers in successfully executing complex public-private development transactions throughout the city. While at NYCEDC, Patrick led New York City’s acquisition of Brooklyn Bridge Park and Governors Island from New York State, and subsequently oversaw the negotiations of two Brooklyn Bridge Park sites for development. He also directed the City’s negotiations with New York University on the development of a new applied sciences school at 370 Jay Street in Downtown Brooklyn, which is focused on creating technology to address challenges facing cities. During his time at NYCEDC, Patrick worked closely with the New York City Industrial Development Agency as well as with other governmental agencies including the Empire State Development Corporation, Port Authority of New York and New Jersey and Metropolitan Transportation Authority.

Memberships & Associations

  • Board of Directors, New York City Economic Development Corporation, Real Estate and Finance Committee
  • Real Estate Board of New York, Economic Development Committee
  • Association of the Bar of the City of New York, Housing and Urban Development Committee
  • Urban Land Institute