John Hopwood is a Senior Partner at Marks, O’Neill, O’Brien, Doherty & Kelly, and serves as the Managing Partner for the New York City office.  He is admitted to practice in New York and New Jersey.  He is also a member of the New York County Lawyers’ Association.

John graduated from Georgetown University in 1999, with a degree in Finance.  He also attended Trinity College at Oxford University, where he studied International Business and Business Policy.  Later, he attended St. John’s University School of Law, graduating in 2002.  During law school, he competed on the St. John’s School of Law Moot Court Competition Team.

Prior to joining Marks O’Neill, John worked at a national law firm where his practice focused on insurance coverage litigation and legal malpractice.  In addition, he obtained valuable experience in construction while working for a family mechanical contracting company on job sites throughout the Tri-State area.

John has been successful in defending cases at every level of New York courts, as well as the federal courts in the Southern and Eastern District of New York.  His experience includes litigation, trials, alternative dispute resolution and appellate.  His practice focuses primarily in the five boroughs of New York City and Long Island.  He has successfully tried cases to verdict in those jurisdictions and has argued appeals in the First and Second Department Appellate Divisions.

Since joining Marks O’Neill in 2004, John has represented clients in numerous fields of litigation, ranging from construction, commercial, malpractice, products and all areas of general liability.  His practice focuses on all aspects of construction litigation, including the defense of design/defect claims and defense of allegations brought under New York Labor Law.  John has represented international corporations, domestic companies, developers, general contractors, mechanical contractors, construction managers, design professionals, doctors, attorneys and other businesses in all aspects of defense litigation.  He has represented corporations and individuals in contract disputes and numerous transactional matters. John is also a member of Marks O’Neill’s Diversity & Inclusion Committee. 

John was born and raised in Garden City, New York and now resides in Manhattan.  He is active in several charities, most notably NextStep.

John J. Hopwood
Partner / New York City / Westchester County

Phone 646-454-4868

John J. Hopwood PDF


  • J.D., St. John’s University School of Law, 2002
  • B.S., Georgetown University, 1999

Bar Admissions

  • New York, 2002
  • New Jersey, 2002

Bar Associations

  • New York State Bar Association
  • New York County Lawyers’ Bar Association

Practice Areas

  • Employment Law, Municipal & Public Entity
  • Healthcare & Catastrophic & Excess Loss
  • Construction Accident/Construction Defect
  • Transportation/Trucking

Representative Cases



New York City
600 Third Avenue, Suite 1501, New York, NY 10016

Westchester County
580 White Plains Road, Suite 620, Tarrytown, NY 10591