150 N. Michigan Ave. Ste. 1420
Chicago, IL 60601

Joseph A. DeMarco

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Schlissel Ostrow Karabatos, PLLC

Contact Information

200 Garden City Plaza
Suite 301
Garden City NY 11530
Work 516-877-8000
Fax 516-294-3188

Practice State

New York


Traditional Client Representation and Litigation


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  • Nassau, New York
  • New York, New York
  • Suffolk, New York

Legal Organizations

Matrimonial Committee of the Nassau County Bar Association, 2002 to present

Advisory Board, Nassau Academy of Law, 2013 to present

Grievance Committee, Nassau County Bar Association, 2014 to present

Membership Committee, Nassau County Bar Association, 2014 to present



Member of the adjunct teaching faculty in the Legal Studies Department of Nassau Community College since 2007, teaching courses in business law, legal writing, and law office management.

Selected as Super Lawyers "Rising Star, New York-Metro" since 2011.

Member, Ten Leaders of Matrimonial & Divorce Law of Long Island, Age 45 & Under, 2015.

Awarded Pro Bono Attorney of the Month by the Nassau County Bar Association, January, 2013.  Provide pro bono representation through the Nassau County Bar Association's Volunteer Lawyers Project and the Safe Center LI  (formerly, Coalition Against Domestic Violence).

Named an "Access to Justice Champion" by Nassau County Bar Association for outstanding service and dedication of time and effort to provide legal representation, guidance and advise on a pro bono basis to serve those in Nassau County.

Past lecturer and program facilitator for the Nassau County P.E.A.C.E. Program.

CLE Presentations

Nassau County Bar Association, Nassau Academy of Law, "I Don't Agree with the Neutral Expert... What Should I Do?" (Moderator), December 11, 2014.

Nassau County Bar Association, Nassau Academy of Law, "My Client Reports all of Their Income:  Testing for Unreported Income"  (Moderator), September 4, 2014.

Nassau County Bar Association, Nassau Academy of Law, "Price to Revenue as the Best Indicator of Value. an in Dept Look into the Market Approach" (Moderator), May 1, 2014.

Nassau County Bar Association, Nassau Academy of Law, "Income Tax Returns:  A Map to Income & Assets in Litigated Matters" (Moderator), April 3, 2014.

Naussau County Bar Association, Nassau Academy of law "Bridge the Gap: Supereme Court"  The Matrimonial Part - Preparing for a Preliminary Conference", January 26, 2014.

National Business Institute:  "Advanced Family Law:  Violence in the Home", August 21, 2013.

Nassau County Bar Association, Matrimonial Committee:  "Hot Topics in Divorce Taxation - Is There Really Any Such Thing as an "Innocent" Spouse?" (Co-Lecturer) May 22, 2011.

Practicing Law institute:  "Bridge the Gap at Brooklyn Law School:  Matrimonial Practice", January 23, 2011 and January, 2010.

Nassau County Bar Association:  "Matrimonial Law:  Separation Agreements and Stipulations of Settlement", January, 2006.


"Whistleblowers, Voluntary Disclosures and Innocent Sponses:  Practical Tips for Addressing Sensitive Tax Problems During Divorce", presented by Bryan C. Skarlatos, Esq. to AAML New York Chapter's CLE Seminar, "Advanced Topics of Matrimonial Law and Practice", May 4, 2012.

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