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Colleen Duffy

Lecturer in Law and Justice Studies

Colleen D. Duffy is an Associate Justice of the Appellate Division, Second Department, having been appointed to the Appellate Division in January 2014. She was elected to the Supreme Court, Ninth Judicial District, in 2010, having first been appointed as a Supreme Court Justice in the beginning of that year.

As a Supreme Court Justice, Justice Duffy sat in Bronx County from 2010 to 2013, handling felony trials and Mental Hygiene Article 10 proceedings. In May 2013, Justice Duffy was assigned to the Post-Judgment Matrimonial Part of the Supreme Court, Westchester County.

Prior to becoming a Supreme Court Justice, Justice Duffy served as Family Court judge and, earlier, as a City Court judge.  She also had served as a Mount Vernon City Councilwoman. Justice Duffy’s career also includes six years as a litigation associate with Gibson, Dunn & Crutcher and three years as in-house legal counsel to Unilever United States, Inc.

She has taught numerous graduate and undergraduate level courses in writing and communications and is the author of the 2011 article, “The Admissibility of Expert Opinion and the Bases of Expert Opinion in Sex Offender Civil Management Trials in New York,” published in The Albany Law Review. Justice Duffy is also a member of the publication committee of the Thomson Reuters publication The New York Bench Book, in which she authored the 2013 edition of the chapter on “Trial Elements.” Justice Duffy also authored a chapter on “Entertainment” law for the Thomsen Reuters publication Commercial Litigation in New York State Courts, Fourth Edition.