Skip to main content

David Ko

Class action Attorney at Seattle, WA

5.0   1 review
  • Licensed for 17 years
    State WA
    Acquired 2006
    Active No misconduct found

We have not found any instances of professional misconduct for this lawyer.

About David

Learn David’s areas of practice.

David has been appointed as a special deputy prosecuting attorney by numerous government entities as outside counsel in connection with opioid litigation against drug manufacturers and distributors of prescription opioids. David is one of the lead attorneys handling the firm's opioid cases and represents counties, cities and Native American Tribes in Washington, California, Arizona and Idaho.

David practices in the firm’s nationally recognized Complex Litigation Group where he represents government entities, retirement plans, institutional investors, ESOPs, and individuals in federal and state courts across the country. David focuses on cases involving breaches of fiduciary duty under ERISA, consumer protection violations, securities misrepresentations, and general corporate malfeasance. He has made substantial contributions to several multimillion dollar recoveries against some of the largest corporations in the country.


David Ko
1201 3rd Ave Ste 3200
Seattle, WA, 98101-3052

Class Action lawyers nearby


5.0 / 5.0
  1 customer review
5 Star
4 Star
3 Star
2 Star
1 Star
Posted by David | April 1, 2015
Excellent Work
Mr. Ko has been a pleasure to work with. I have worked with him on several deals that required legal research, memorandum drafting, and negotiation. He has always been incredibly professional and easy to work with!


We have not found any cost information for this lawyer

Contact for Details


AVVO RATING 9.0 (Superb)

Work Experience

  • Attorney
  • Keller Rohrback, LLP
  • 2009 - Present
  • Law Clerk to the Honorable Ricardo S. Martinez
  • U.S. District Court
  • 2007 - 2009


  • University of Washington School of Law
  • LL.M.
  • 2007
  • Seattle University School of Law
  • J.D.
  • 2006
  • Seattle University School of Law
  • JD - Juris Doctor
  • N/A
  • University of Washington School of Law
  • JD - Juris Doctor
  • N/A
View all education


  • King County Bar Association
  • Member
  • N/A
  • Washington Leadership Institute
  • Fellow
  • 2014 - 2014
  • Korean American Bar Association of Washington
  • President
  • 2012 - 2013
  • Asian Bar Association of Washington
  • Member
  • 2011 - 2015
  • National Center for Employee Ownership
  • Member
  • 2011 - 2015
View all associations

Speaking Engagements

  • Mass Torts Made Perfect
  • National Costs of Opioid Crisis
  • 2018
  • National Center for Employee Ownership Annual Conference
  • Fundamentals of the Repurchase Obligation
  • 2017
  • National Business Institute Conference
  • Title Law: Ethics
  • 2016
  • National Business Institute Conference
  • Legal Ethics: Top Attorney-Client Mistakes
  • 2016
View all speaking engagements

Attorney endorsements

Received (1)
Given (0)
Endorse David
Class action Attorney | Apr 02
Relationship: Worked together on matter
"David is an outstanding lawyer and someone you want on your side in court (courts of law and courts of basketball)."
This attorney hasn't created any attorney endorsements recently on Avvo.

Avvo Contributions

This attorney hasn't created any legal answers in Q&A or legal guides recently on Avvo.

Seattle Class action Lawyer David Ko
David Ko
Class action Attorney
Seattle, WA
Licensed for 17 years