Marshall O. Dworkin


Marshall O. Dworkin is an Associate in the Sills Cummis & Gross Litigation Department. Mr. Dworkin has broad experience in complex business litigation matters including shareholder disputes, breach of contract, breach of fiduciary duty claims, fraud and estate litigation in both state and federal courts. Prior to joining the Firm, he was an attorney at Kasowitz Benson Torres, LLP in New York City.

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Representative Matters

  • Represented senior government official in an investigation by Special Counsel Robert Mueller and related Congressional inquiries.
  • Represented former entertainment advisor to the estate of a well-known musician in proceedings and actions related to the estate.
  • Represented international electricity and gas utility company in an action against a software vendor stemming from a $1 billion implementation of SAP software.
  • Represented former CEO of a national telecommunications corporation in multi-million dollar verdict against former financial adviser for fraud and breach of fiduciary duty.
  • Represented international insurance company in multi-million dollar verdict against hedge funds and financial executives in a RICO case involving insider trading, market manipulation and short selling attacks.
  • Represented numerous real estate developers in connection with development projects and contact disputes in arbitrations and state court litigations.
  • Successfully conducted and won a bench trial verdict in New Jersey state court against a large home improvement retail and distribution center in a breach of contract matter.

Court Admissions

U.S. District Court, District of New Jersey
U.S. District Court, Southern District of New York
U.S. District Court, Eastern District of New York

Rankings & Recognition

Selected for inclusion in:   

  • Best Lawyers®* "Ones to Watch" 2021-2022, Commercial Litigation
  • New York Metro Super Lawyers®* “Rising Stars” 2019-2021, Business Litigation
  • New Jersey Super Lawyers®* “Rising Stars” 2017-2018, 2020-2021, Business Litigation

* See Award Methodology. No aspect of this advertisement has been approved by the Supreme Court of New Jersey.


Member, New York State Bar Association
Member, New Jersey State Bar Association
Member, North Carolina Society of New York