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Attorney Joshua D. Mansfield

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Practice Areas:

  • Immigration Law
  • Naturalization
  • Asylum
2024 Member | American Immigration Lawyers Association


Attorney Mansfield serves as President and Managing Attorney at O’Neil Hauser Mansfield, P.C. He is a graduate of Suffolk University Law School and has been practicing in the field of immigration since 2005. He specializes in removal defense, U visas, SIJS adjustment of status, naturalization, provisional waivers of inadmissibility and other waivers of inadmissibility. He also frequently represents clients filing asylum, affirmative and defensive, both before USCIS and the Immigration Court. He is an expert in drafting motions to reopen and other motion practice, withholding of removal, cancellation of removal, both lawful permanent residents and non-lawful permanent residents, challenging charges of removability, marital waivers, I751 petitions and virtually every application involved in the practice of immigration law. Attorney Mansfield speaks fluent Spanish and Japanese.


  • Suffolk University Law School, Boston, Massachusetts
    • J.D. - 2005
  • Temple University Law School Japan, Tokyo
  • University of Massachusetts Boston
    • B.A. - 1998
    • Major: Spanish

Bar Admission

  • Massachusetts, 2005
  • U.S. Supreme Court, 2009


  • Spanish
  • Japanese

Professional Associations

  • Massachusetts Bar Association, Member, 2005

Current Employment Position

  • Managing Attorney