Phillips Nizer LLP
About Phillips Nizer LLP Phillips Nizer LLP Attorneys Phillips Nizer LLP Industry Teams Phillips Nizer LLP Practice Areas Phillips Nizer LLP News and Events Phillips Nizer LLP Publications
About Us Professionals Industry Teams Practice Areas News & Events Publications
  • University of Pennsylvania Law School, J.D., 2017
  • Northeastern University, B.S., 2014, summa cum laude
Bar Admissions:
  • New York
  • U.S. Dist. Ct., EDNY
  • U.S. Dist. Ct., SDNY


Home  » »  Attorneys  » »  Sean W. Vallancourt

Sean W. Vallancourt Sean W. Vallancourt
New York Office
phone: (212) 841-0540
fax: (212) 262-5152

download vCard
Areas of Experience:

Sean Vallancourt is an associate in the Litigation Department at Phillips Nizer LLP. Since joining the firm in 2017, he has been engaged on matters in a wide variety of practice areas, including contracts, intellectual property, insurance, real estate, licensing, restrictive covenants, employment, environmental, immigration, administrative law, and commercial arbitration. Prior to joining the firm, Sean interned at AT&T Inc. and the United States Attorney’s Office for the Eastern District of New York.

Sean holds a J.D. from the University of Pennsylvania Law School, where he served as an Articles Editor on the University of Pennsylvania Journal of Constitutional Law. In addition, he served as a Teaching Director for the Youth Education Program and was the Pit Orchestra Director for the Penn Law Light Opera Company. He holds a B.S. from Northeastern University, where he studied political science and music industry. 

Social Media:

Professional Memberships:

  • New York State Bar Association
  • Association of the Bar of the City of New York