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John Sullivan

Senior Associate

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John Sullivan

John Sullivan

Senior Associate

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Profile & Experience

Regional experience
Full Profile

John C. Sullivan represents domestic and international insurers in commercial insurance matters, including professional liability, directors’ and officers’ liability, fiduciary liability, errors and omissions, employment practices liability, and product recall claims. He has successfully defended insurers in complex coverage litigation in federal and state courts across the United States and has successfully resolved coverage disputes via arbitration and mediation. 

John has handled high-profile insurance matters involving major US corporations and directors’ and officers’ coverage and claims arising from theft of trade secrets, antitrust litigation, regulatory investigations, shareholder litigation, and other types of complex commercial lawsuits.

Admissions

  • New York
  • New Jersey
  • US District Court for the Southern District of New York
  • US District Court for the District of New Jersey

Education

  • J.D., Brooklyn Law School, 2017
  • B.A., Washington University, St. Louis, 2008

Memberships

  • New York State Bar Association
Experience
  • In 2023, obtained summary judgment for excess insurer in coverage litigation on novel ground that COVID-19 pandemic relaxed the strict requirement of timely disclaimer of coverage under the New York Insurance Law. The judgment was subsequently affirmed by the Appellate Division, First Department.
  • In 2023, obtained pre-answer dismissal in action pending in New York County Supreme Court on grounds of documentary evidence, lack of personal jurisdiction, and failure to state a claim.
  • In 2022, obtained pre-answer dismissal in action pending in the District of New Jersey for lack of personal jurisdiction. 
  • In 2022, obtained pre-answer dismissal in action pending in Bronx County Supreme Court on grounds of expiration of the statute of limitations, lack of personal jurisdiction, and failure to state a claim.
  • In 2020, obtained summary judgment in action pending in Bronx County Supreme Court.
  • In 2020, obtained summary judgment in action pending in Bronx County Supreme Court. The judgment was subsequently affirmed by the Appellate Division, First Department.
Sectors

Sectors

  • Insurance

  • Professional Practices

  • Retail & Consumer

Services

Services

  • Commercial Disputes

  • Dispute Resolution