Atty. David Lee Sun

Atty. David Lee Sun

David Lee Sun is a lawyer. David received a B.A. degree from Cornell University in 1988, and has been licensed for 34 years.

Naperville Naperville 34 J. Erfahrung 34 year
Call (224) 801-3334 Book Appointment

Profile Summary

About David Lee Sun at a glance

David Lee Sun is an attorney based in Naperville, Illinois. They haand 34+ years of legal experience, licensed to practice since 1992. Admitted to practice in Illinois (1992). Educated at University of Illinois (J.D., 1992) and Cornell University (B.A., 1988). Serands clients in Naperville, IL and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Über uns

  • David Lee Sun is a lawyer
  • David received a B.A. degree from Cornell University in 1988, and has been licensed for 34 years
  • David practices in Naperville, IL

Jurisdictional Context

Why local counsel matters in Illinois

Practforg law in Illinois. Legal matters in Illinois are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in Naperville are typically filed in the local municipal court or the appropriate Illinois state district court, depending on subject matter and amount in controversy. An attorney licensed in Illinois brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantiand law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Illinois courts without local counsel or pro hac vice admission.

Looking for additional Illinois attorneys? Browse all attorneys in Naperville or all attorneys in Illinois.

Frequently Asked

Common questions about David Lee Sun

Where is David Lee Sun's law office located?
David Lee Sun's law practice is located in Naperville, Illinois. You can contact the office directly through this profile page.
How long has David Lee Sun practiced law?
David Lee Sun has 34+ years of legal experience and has been licensed since 1992.
Where did David Lee Sun go to law school?
David Lee Sun earned their education at (J.D., 1992); (B.A., 1988).
How can I contact David Lee Sun for a consultation?
You can contact David Lee Sun directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Education

J.D.
University of Illinois
- 1992
B.A.
Cornell University
- 1988

Bar Admissions

Illinois
Admitted: 1992

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