Derek Loeser is a senior member of Keller Rohrback's nationally recognized Complex Litigation Group and a member of the firm's Executive Committee.
He maintains a national practice prosecuting class action and large scale individual cases, including corporate fraud and misconduct, securities, Employee Retirement Income Security Act (“ERISA”), breach of fiduciary duty, and investment mismanagement cases. Derek has served as lead and co-lead counsel in large, complex cases in both state and federal courts around the country.
Derek has been a plaintiffs' attorney for over twenty years. He has a passion for taking on large corporations and holding them accountable for wrongdoing. Through all stages of litigation, including trial, he has helped recover over a billion dollars for institutions, retirement plans, retirees, employees, and consumers. Notable cases include mortgage-backed securities cases on behalf of the Federal Home Loan Banks of Chicago, Indianapolis and Boston, and ERISA class cases representing employees in cases against Enron, WorldCom, Countrywide, and Washington Mutual, among others. Many of Derek's cases have required coordinating with state and federal agencies involved in litigation that parallels cases pursued by Keller Rohrback, including states attorneys general, the Department of Justice, and the Department of Labor. In addition, Derek has extensive experience negotiating complex, multi-party settlements, and coordinating with the many parties and counsel necessary to accomplish this.
Before joining Keller Rohrback, Derek served as a law clerk for the Honorable Michael R. Hogan, U.S. District Court for the District of Oregon, and was a trial attorney in the Employment Litigation Section of the Civil Rights Division of the U.S. Department of Justice in Washington, D.C., where he prosecuted individual and class action employment discrimination cases. He is a frequent speaker at national conferences on class actions, ERISA and other complex litigation topics.
Keller Rohrback L.L.P. Files Class Action Lawsuit against UnitedHealth Group and OptumRx
Keller Rohrback & Co-Counsel Sue Audi & Volkswagen over Cheating in A6, A8, Q5 Gas-powered vehicles
Audi at it again! Keller Rohrback Investigates More Emissions Cheating from VW Group!
Mass. Court Approves $300 MM Settlement Agreement in State Street Bank “Indirect Foreign Exchange” Class Action
Keller Rohrback Investigates OptumRx, UnitedHealthcare, & Cigna for Inflating Prescription Copays
Court Grants Final Approval 2.0-Liter Settlement
UnitedHealthcare and OptumRx Overcharge Their Customers for Prescription Drugs
Seattle Suspends Business Relationship with Wells Fargo over Fraud Allegations; Keller Rohrback Investigates Similar Practices
Keller Rohrback L.L.P. Investigating Unauthorized Accounts at Consumer Banks
Volkswagen Litigation Update - 8/25/2016
Volkswagen Litigation Update - Preliminary Approval of VW Settlement Granted
Volkswagen Litigation Case Update
Volkswagen and Audi 2.0-Liter Emissions Settlement
VW Litigation Case Update
VW Emissions Scandal
Volkswagen News From Around The Web
Articles & Presentations
Derek W. Loeser, The Legal, Ethical, and Practical Implications of Noncompetition Clauses: What Physicians Should Know Before They Sign, J.L. Med. & Ethics, Vol. 31:2 (2003).
Derek W. Loeser & Benjamin B. Gould, Point/Counterpoint: Is Rule 23(b)(1) Still Applicable to ERISA Class Actions?, ERISA Compliance and Enforcement Library of the Bureau of National Affairs, Inc. (May 1, 2009).
Derek W. Loeser & Benjamin B. Gould, The Continuing Applicability of Rule 23(b)(1) to ERISA Actions for Breach of Fiduciary Duty, Pension & Benefits Reporter, Bureau of National Affairs, Inc. (Sept. 1, 2009).
Speaker, 22nd Annual ERISA Litigation Conference - Las Vegas, NV, Oct. 2009.
Speaker, 22nd Annual ERISA Litigation Conference - New York, NY, Nov. 2009.
Speaker, ABA Mid-Winter Meeting, San Antonio, TX, 2010.
Derek W. Loeser & Erin M. Riley, The Case Against the Presumption of Prudence, Pension & Benefits Daily, Bureau of National Affairs, Inc. (Sept. 10, 2010).
Derek W. Loeser, Erin M. Riley & Benjamin B. Gould, 2010 ERISA Employer Stock Cases: The Good, the Bad, and the In Between-Plaintiffs' Perspective, Pension & Benefits Daily, Bureau of National Affairs, Inc. (Jan. 28, 2011).
Speaker, Post-Certification: Motion Issues in Class Actions, Litigating Class Actions, Seattle, WA, 2012.
Speaker, Investment Litigation: Fees & Investments in Defined Contribution Plans, ERISA Litigation, Washington, D.C., 2012.
Speaker, Post-Certification Motion Practice in Class Actions, Seattle, WA, June, 2014.
Speaker, Fiduciary Challenges in a Low Return Environment, Seattle, WA, December, 2014.
Speaker, Class Action & Data Breach Litigation, Santa Barbara, CA, March, 2016.
Panelist, Law Seminars International - VW Diesel Emissions Litigation: A Case Study of the Interplay Between Government Regulatory Activity and Consumer Fraud Class Actions, May 6, 2016.
Honors & Awards
U.S. Department of Justice Honors Program Hire, 1994
U.S. Department of Justice Award for Public Service, 1996
U.S. Department of Justice Achievement Award, 1996
Selected to Rising Stars list in Super Lawyers - Washington, 2005-2007
Named to Washington Super Lawyers list, 2007-2012, 2014-2016
Recipient of the 2010 Burton Award for Legal Achievement for the article, The Continuing Applicability of Rule 23(b)(1) to ERISA Actions for Breach of Fiduciary Duty,. Pension & Benefits Reporter, Bureau of National Affairs, Inc. (Sept. 1, 2009).