Oscar J. Barbosa
Immigration attorney · Lancaster, PA · Admitted Pennsylvania 2009, bar no. Active Registration
About this attorney
Oscar J. Barbosa is an experienced immigration attorney and the founder of Diaspora Law. Licensed federally to practice immigration and nationality law across all 50 states, Mr. Barbosa focuses his practice on complex immigration matters, deportation defense, family-based petitions, and asylum cases. With extensive legal experience, he has dedicated his career to guiding individuals, families, and businesses through the intricacies of the United States immigration system.
Mr. Barbosa earned his Juris Doctor and Master of Arts in a joint degree program from Syracuse University and the prestigious Maxwell School of Citizenship and Public Affairs in 2009. His academic background also includes advanced international studies at Tsinghua University in Beijing and Kansai Gaidai University in Japan, following his undergraduate education at Pennsylvania State University. Over the course of his career, he has earned notable distinctions, including recognition as a New Jersey Rising Star, an influential Latino leader, and the recipient of public service and pro bono honors.
Driven by a mission to expand access to high-quality legal counsel, Mr. Barbosa established Diaspora Law to connect community-oriented attorneys and offer compassionate, comprehensive legal representation. He is committed to providing personalized, strategic advocacy for immigrant communities worldwide, ensuring every client receives diligent representation tailored to their unique circumstances.
Matters handled
Practices before USCIS, EOIR immigration courts, and the Board of Immigration Appeals (BIA):
Asylum and refugee protection
Green cards
Marriage and family petitions
Work visas
Citizenship and naturalization
Deportation defense
Student visas
Business immigration
Admissions
Licensing, bar registration numbers, and court practice jurisdictions:
Authorized to appear and represent clients before all United States Immigration Courts, the Board of Immigration Appeals (BIA), and USCIS administrative interviews nationwide under 8 C.F.R. § 1292.1.
Languages
Languages consultations and case preparations are conducted in:
Consultations
Consultation formats, fee structures, and scheduling terms:
Initial assessments conducted via secure video conference (Zoom/Meet), telephone, or in-person at the firm office.
Consultation fee is credited directly toward total legal representation fees if you retain the attorney.
Office
Physical office location, remote availability, and jurisdictions served:
Because United States immigration law is strictly federal, this attorney represents clients living across all 50 states, U.S. territories, and abroad with electronic filings and secure video consultations.
Contact
Reach Oscar directly by phone or submit your inquiry below:
Direct Consultation
Browse all bar-admitted immigration practitioners serving Pennsylvania residents.
View Pennsylvania State Hub →Oscar J. Barbosa pays to be listed on Greenway Lawyer. This listing is advertising. It is not a recommendation, and Greenway Lawyer has not evaluated the quality of this attorney's work. We have confirmed that bar number Active Registration is active in Pennsylvania as of 4 September, 2026. Any attorney-client relationship you form is with Oscar J. Barbosa or their firm, not with Greenway Lawyer.