Dedicated Legal Counsel You Can Trust

Yoon LLC provides comprehensive legal services with a commitment to excellence, integrity, and results for every client.

Schedule a Consultation

Attorney Profile

James Jaehun Yoon

Founding Attorney

Maryland · District of Columbia

English / Korean / Japanese

James Jaehun Yoon is the founding attorney of Yoon LLC, bringing over a decade of experience in immigration law. He has successfully represented clients across a wide range of immigration matters, including family-based petitions, employment-based petitions, U visas, National Interest Waivers (NIW), permanent residency, and citizenship applications.

Mr. Yoon specializes in navigating complex immigration laws and developing strategic approaches tailored to each client's unique circumstances. He has also provided legal services to Afghan refugees and asylees through ILSAA/USCRI, handling asylum, parole, and adjustment of status applications.

Prior to founding Yoon LLC, he served as a judicial intern at the Maryland Court of Special Appeals and as a student attorney at the University of Maryland School of Law Immigration Clinic, where he successfully litigated an asylum case based on political persecution. He also gained corporate legal experience at Samsung Electronics' Intellectual Property Legal Group in Korea.


Education

  • Georgia Institute of Technology — M.S. Computer Science (Machine Learning), 2026
  • University of Maryland School of Law — J.D., 2010
  • Wheaton College — B.A. Theological & Biblical Studies, 2006
  • Handong Global University — International Studies, 2000–2003

About Yoon LLC

At Yoon LLC, we understand that immigration matters are among the most important legal journeys our clients undertake. Our firm is built on a foundation of thorough preparation, deep knowledge of immigration law, and genuine care for every individual and family we serve.

With years of experience navigating complex immigration systems, our team is dedicated to providing clear guidance and vigorous representation. Whether you are seeking a visa, applying for permanent residence, or pursuing citizenship, we stand by your side every step of the way.

Our philosophy is simple: treat every case with the attention it deserves and never lose sight of the human story behind the paperwork.

15+ Years Experience
98% Success Rate

Our Services

Comprehensive legal services tailored to your needs

Business Visas

Expert guidance on E-2, L-1, H-1B, and other business-related visas for professionals and entrepreneurs.

🎓

Family Immigration

Helping families reunite through spousal visas, fiancé(e) visas, and family-based green card petitions.

📜

Green Cards

Assistance with permanent residence applications, including employment-based and family-based green cards.

🌎

Naturalization & Citizenship

Comprehensive support through the naturalization process from application to citizenship ceremony.

🛡

Deportation Defense

Vigorous representation in removal proceedings and relief options including asylum and cancellation of removal.

📋

Visa Processing

End-to-end support for visa applications, extensions, and change-of-status petitions.

Criminal Defense

Strategic defense for state and federal criminal matters, protecting your rights at every stage of the process.

🏢

Real Estate Law

Guidance on property transactions, leasing, title disputes, and real estate contract review for individuals and businesses.

💼

Business & Corporate Law

Entity formation, contract drafting, business succession planning, and general corporate counsel for startups and enterprises.

Contact Us

Reach out for a confidential consultation

📍

Office

43376 Whitehead Ter
Ashburn, VA 20148

📞

Phone

202-503-8971

Email

attorneyoon@gmail.com