Marc Illish

Marc Illish


Marc Illish, Esq. is an associate attorney that brings experience to Korsinsky & Klein, LLP in state and federal complex commercial cases. While Mr. Illish is well versed in many areas of the law, his practice primarily focused on matters concerning breach of contract, RPAPL Article 15, foreclosure defense, commercial insurance claims, UCC Articles 2, 3, 4, & 9, white-collar criminal defense, Labor Law, estate proceedings, NPL applications, Bankruptcy proceedings, commercial disputes, and personal injury defense.

Before going to law school, Mr. Illish worked with the Jewish National Fund orchestrating fundraising trips and tours to Israel bolstering the development of green innovations, desalination plants and the preservation of historical sites.


  • New York Law School
  • CUNY Brooklyn College
    • B.A. & B.F.A. - 2004

Bar Admission

  • New York
  • U.S. District Court Southern District of New York
  • U.S. District Court Eastern District of New York
  • U.S. Court of Appeals 2nd Circuit

Current Employment Position

  • Associate Attorney

Practice Areas

  • Breach of Contract
  • RPAPL Article 15
  • Foreclosure Defense
  • Commercial Insurance Claims
  • UCC Articles 2, 3, 4, & 9
  • White-Collar Criminal Defense
  • Labor Law
  • Estate Proceedings
  • NPL Applications
  • Bankruptcy Proceedings
  • Commercial Disputes
  • Personal Injury Defense