Sean Harriton


Sean Harriton’s integrity and unparalleled work ethic have won him his clients’ trust and confidence.  Sean believes in practicing law at the highest level to deliver impeccable work and achieve success on behalf of each of his clients.  His passion for appellate and litigation strategy, diligence and meticulous attention to detail shines through in his written work, which includes appellate briefs, trial motions and legal strategy evaluations. 


Sean prides himself on his analytical, oral advocacy and writing skills and ability to creatively shape high-stakes, high-exposure litigation and appeals to deliver the desired result for his clients.  Sean’s significant background handling all facets of cases from inception to resolution in state and federal courts throughout the country allows him to provide invaluable insight when supporting trial counsel with complex litigation and appeals. 

Prior to joining CMOC LLP, Sean practiced commercial litigation, energy and environmental law at a boutique New York-area firm for two and a half years.  Subsequent thereto, Sean gained substantial appellate and litigation strategy experience working for a New York-area mid-size firm for two years.

Sean served as a Paralegal Specialist for the United States Department of Justice (DOJ), Civil Division, Federal Programs Branch from 2009 to 2015 and continued working in that role after starting law school at American University Washington College of Law (“WCL”) in 2012.  During law school, Sean also clerked for The White House, Executive Office of the President, Council on Environmental Quality (CEQ), the Appellate Section of the DOJ’s Environment & Natural Resources Division and the United States Coast Guard’s Office of Maritime and International Law.  Additionally, he interned for the Honorable Michael L. Rankin at the Superior Court for the District of Columbia and represented indigent clients as a student attorney for the Civil Advocacy Clinic at WCL.


  • New York
  • New Jersey
  • Connecticut
  • Maine
  • District of Columbia
  • U.S. District Court for the Southern District of New York


  • American University Washington College of Law, J.D.
  • University of Delaware, cum laude, B.A. in International Relations; Minor in Spanish
    • The Phi Beta Kappa Society