Mike Madderra works with the firm's Pacific Northwest Toxic Tort/ Environmental, Product Liability, and Insurance practice groups.  He represents both small and large clients in advisory and litigation roles, and has handled cases arising out of asbestos claims, commercial disputes, product liability concerns, insurance coverage issues, and torts, among others.  He works in the areas of complex civil litigation, entertainment law, and appeals.

Experienced in trial and appellate work, Mike has represented plaintiffs in disputes involving catastrophic injury and wrongful death, including the Ride the Ducks litigation.  He worked with the plaintiff team that secured a $60 million settlement on behalf of victims of the Oso landslide, which claimed the lives of 43 people.  He also worked on the plaintiff team that obtained $1.1 million in sanctions against the State of Washington for destruction of evidence – the largest such award in state history.

Mike authored The New Class Actions in Japan,” published by the Washington International Law Journal, which has been cited in federal cases.  A graduate of Stanford University with honors, he attended a study abroad program at Oxford University, and earned his J.D. from the University of Washington School of Law.  Mike is originally from Concord, California, and now resides in Queen Anne, Seattle, with his wife and two cats.  He enjoys skiing, hiking, and playing the oboe. 


Representative Matters:

  • Obtained summary judgment on behalf of manufacturer of asbestos-containing product where Plaintiff provided product identification and allegedly used product.  Judgment obtained for lack of causation.  Clevenger v. Borg-Warner et al., No. 16-2-07573-8 (King County Sup. Ct. 2017).
  • Obtained dismissal for two clients for lack of personal jurisdiction where Plaintiff's alleged exposures to asbestos occurred exclusively in Canada.  Hodjera v. Imerys Talc America, Inc. et al., No. 2:17-CV-00048-RSL (W.D. Wash. 2017).
  • In matter where Plaintiff alleged cancerous exposures from defective dental tape product, obtained a favorable settlement for manufacturer client although no alternative cancerous exposures were identified.  Esvelt v. Whip-Mix Corp. et al., No. 16-2-15978-8 (King County Sup. Ct. 2017).

Bar Admission

Washington State, 2014


University of Washington School of Law, J.D., 2014

Stanford University, B.A., Political Science, 2011