Successfully represented a major bank in an arbitration over the purchase price of its headquarters building, resulting in a valuation on behalf of the bank of approximately half of the seller's figure;

Successfully represented  a tenant establishing that substantial expenses related to complying with amendments to New York City fire code cannot normally be shifted to tenants;

Established the governing law in New York that upholds the "business judgment rule" to protect members of Boards of Directors of cooperative corporations;

Established the governing law in New York concerning the priority of first mortgage liens held by lenders over the claims of condominiums for common charges;

Successfully represented a condominium in vindicating its right to exercise its first refusal to purchase units;

Successfully defended sponsors of cooperative conversions against allegations of fraud or breach of contract brought by cooperatives;

Successfully represented sponsors of condominium and cooperative conversions in disputes between the Attorney General's Office; and

Successfully defended title insurer in establishing the modern law in New York on the obligations of title insurers for land title searches.