Mark Errico concentrates his practice on insurance coverage matters, advising insurers in connection with a variety of complex coverage claims and litigation across the country, including coverage disputes relating to commercial and excess general liability, intellectual property and business torts, construction defect, products liability, commercial auto and directors and officers liability. His practice also involves representing clients in the areas of commercial and professional liability litigation.

Following law school, Mark worked as a law clerk for the Hon. Martin L. Greenberg, Presiding Judge, Superior Court of New Jersey, Hudson County, Chancery Division, General Equity Part. While attending law school, Mark worked as an intern for the Hon. Leonard I. Garth, Senior Judge, U.S. Court of Appeals for the Third Circuit, and the Hon. Alfred J. Lechner, Jr., U.S. District Court for the District of New Jersey. He was also a member of the New York Law School Law Review and the Moot Court Association.

Mark has been a contributor to the Squire Patton Boggs Reinsurance Newsletter (produced quarterly since 2012).


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  • Before arriving at Squire Patton Boggs, Mark was counsel at one of Am Law’s largest 100 U.S. law firms.

Education

  • New York Law School, J.D., 1998
  • The Citadel, B.A., 1994

Admissions

  • New Jersey
  • New York

Courts

  • U.S. Court of Appeals for the 5th Circuit
  • U.S. District Court for the District of New Jersey
  • U.S. District Court for the Southern District of New York
  • U.S. Court of Appeals for the 9th Circuit
  • U.S. District Courts for the Districts of Colorado

Clerk Experience

  • Superior Court of New Jersey, Hudson County, Chancery Division, General Equity Part
    Hon. Martin L. Greenberg
    January 1998 - December 1999
  • Recognized in The Best Lawyers in America 2023 and 2024 for Insurance Law
  • New Jersey Rising Star, New Jersey Super Lawyers 2008-2012

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