Supportive Advocacy When It Matters Most


Sonny H. Koo

Contact Me:

Irvine, CA

Practice Areas:

  • Personal Injury
Rated By Super Lawyers | Sonny H. Koo | Selected In 2016 Thomson Reuters


Sonny Koo is a graduate of the University of California, Irvine and received his Juris Doctorate degree from Whittier Law School in 2005. He has practiced exclusively in civil litigation since being licensed in the State of California and in the Federal Courts.

Mr. Koo is a member of the State Bar of California, Orange County Bar Association, Orange County Korean American Bar Association, and the Orange County Trial Lawyers Association.


  • Whittier Law School, Costa Mesa, California
    • J.D.
    • Honors: Merit Scholarship
    • Honors: Dean’s List
    • Law Review: Whittier Law School, Member
  • University of California – Irvine, Irvine, California
    • B.S. – 1995
    • Major: Biology
  • Loma Linda University – School of Dentistry, Loma Linda, California, 1999

Bar Admission

  • California, 2006
  • U.S. District Court Central District of California, 2006
  • U.S. Court of Appeals 9th Circuit, 2006


  • Korean

Professional Associations

  • State Bar of California, Litigation Section, Member, 2006 to Present
  • Orange County Trial Lawyers Association, Lifetime Member, 2006 to Present
  • Orange County Korean-American Bar Association, Past Vice President, Board of Directors, 2006 to Present
  • Orange County Bar Association, Sections of Business Litigation, Tort & Trial, Insurance, and Real Estate, Member, 2006 to Present
  • State of California Bureau of Real Estate, Real Estate Broker, 2008 to Present

Current Employment Position

  • Principal Attorney