
Jack C. Sung
Immigration attorney · Los Angeles, CA · Admitted California 2007
About this attorney
Jack C. Sung is the founder and principal attorney at JCS Immigration and Visa Law Office in Los Angeles, California. With over 17 years of dedicated legal experience, Mr. Sung focuses exclusively on immigration and nationality law, guiding individuals, families, and businesses through complex visa, residency, and naturalization processes across Southern California.
An immigrant himself, Mr. Sung earned his Juris Doctor from Southwestern Law School, where he served as Associate Editor of the Journal of Law and Trade in the Americas and received three CALI Excellence for the Future Awards. During his early career, he served as a judicial extern to Senior Judge Robert M. Takasugi in the U.S. District Court for the Central District of California and completed clerkships with the Los Angeles City Attorney's Office and the District Attorney's Office. A passionate advocate for community legal access, he served as Vice President of the Taiwanese American Lawyers Association and has volunteered extensively with the Los Angeles County Bar Association and the EOIR Pro Bono Attorney Panel, earning a nomination for Public Service Attorney of the Year.
Mr. Sung is committed to providing responsive, highly personalized representation with open lines of communication. Understanding the stress and uncertainty inherent in immigration proceedings, he ensures clients receive prompt updates and direct counsel, personally answering client inquiries within 24 hours to empower them with clear guidance at every stage of their case.
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 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 Jack directly by phone or submit your inquiry below:
Direct Consultation
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View California State Hub →Jack C. Sung 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 licensing is active in California as of 4 September, 2026. Any attorney-client relationship you form is with Jack C. Sung or their firm, not with Greenway Lawyer.