Nicholas is a member of the Professional Liability Department where his practice is focused on the representation of law firms, attorneys, employers and agents and brokers, in state and federal courts.
An experienced trial attorney and litigator for over 30 years, Nicholas defends clients in matters involving legal malpractice, employment litigation, real estate litigation, complex commercial litigation, ADA public accommodation and ADA class action litigation. Nicholas has experience practicing before the New York State Division of Human Rights and the New York City Human Rights Commission. He has also been retained by clients to consult on risk avoidance matters and as a trial expert. Nicholas has lectured on evidence and trial practice at various continuing legal education seminars.
Nicholas has significant experience defending owners and contractors in actions arising out of New York Labor Law and New York Industrial Code violations. His experience in litigating commercial and tort disputes provides clients with the ability to understand a variety of underlying matters that are often the basis of legal malpractice actions.
Nicholas graduated with his Bachelor of Arts in Communication Arts from Iona College in 1982. In 1988, he earned his juris doctor from Fordham University School of Law and received the American Jurisprudence Award in Torts.
Prior to joining Marshall Dennehey, Nicholas was a member of a New York firm where he focused his practice on the defense of law firms and attorneys in legal malpractice actions, commercial and corporate litigation, and cases brought under New York’s Labor Law.
Honors & awards
New York Metro Super Lawyers
2021-2025
Year joined
2015
Thought Leadership
Marshall Dennehey Announces 2025 New York Metro Super Lawyers and Rising Stars
October 30, 2025
Five attorneys from Marshall Dennehey’s New York City and Long Island offices have been selected to the 2025 edition of New York Metro Super Lawyers magazine.
Legal Updates for Lawyers’ Professional Liability - CASE LAW UPDATE
New York
Long Island, NY - Melville
Lawyers' Professional Liability
February 1, 2025
Venue and Retainer Agreements Price v. Kohn, Swift & Graf, P.C., 24-CV-04720 (JMW), 2024 WL 4528928 (E.D.N.Y. Oct. 18, 2024) Legal Updates for Lawyers’ Professional Liability - February 2025 is prepared by Marshall Dennehey to provide information on recent legal developments
Legal Updates for Lawyers’ Professional Liability - CASE LAW UPDATE
New York
Long Island, NY - Melville
Lawyers' Professional Liability
February 1, 2025
An attorney cannot be liable for failing act outside the scope of the retainer agreement.Kohler v. Polsky, 219 AD3d 821, 822 (2d Dept 2023) Legal Updates for Lawyers’ Professional Liability - February 2025 is prepared by Marshall Dennehey to provide information on recent legal developments
Legal Updates for Lawyers’ Professional Liability - CASE LAW UPDATE
New York
Long Island, NY - Melville
Lawyers' Professional Liability
February 1, 2025
The Court of Appeals of New York answers the question of whether a plaintiff may bring a claim under Judiciary Law 487 in a plenary action. Legal Updates for Lawyers’ Professional Liability - February 2025 is prepared by Marshall Dennehey to provide information on recent legal developments
Marshall Dennehey Announces 2024 New York Metro Super Lawyers and Rising Stars
October 24, 2024
Five attorneys from Marshall Dennehey’s New York City and Long Island offices have been selected to the 2024 edition of New York Metro Super Lawyers magazine.
Classes/Seminars Taught
Professional Responsibility, Columbia University School of Law, Guest Speaker, June 2021
Employment Law Seminar, ACEC, Albany, New York, Presenter, January 2019
Legal Malpractice: How to Avoid it, What to do If You Can't, Lecturer
Legal Malpractice and Ethics, Brooklyn Law School, Solo Practice Seminar, Lecturer
ESI For Dummies, What Every Legal Team Should Know, The Lawyers Guide to ESI Forensics 101, New York State Bar Association, Moderato