Complex Civil Litigation

Over the past several decades, our litigators have handled some of the most significant litigation matters in the Northwest.  We represent local, national, and international clients in a wide range of litigation and business negotiations.  Our clients include Fortune 500 companies, governmental entities, and venture capital and other private investment firms as well as prominent individuals.  

Our trial practice has included:

  • acting as lead counsel in complex class actions, including the Seattle-Tacoma airport noise litigation;
  • successfully defending King County in a six-week trial involving claims in excess of $250 million by two local water sewer districts;
  • numerous intellectual property litigation engagements, including representing Microsoft in its ongoing patent litigation and representing Internet companies in litigation regarding marketing practices;
  • prevailing at trial in a corporate governance and employment dispute between shareholders of a technology consulting firm;
  • national class action defense practice, including defeating putative class actions in California, Georgia, Minnesota, and Washington;
  • financial and accounting disputes, including representing the FDIC and representing investors in FINRA arbitrations;
  • audit disputes, including representing the Port of Seattle in a federal investigation;
  • construction litigation involving many of Seattle’s major buildings;
  • complex litigation arising from a pipeline explosion resulting in more than one billion in claims;
  • non-compete cases, including defeating a prominent technology company’s attempt to shut down a now successful Bellevue- based Internet company;
  • the full spectrum of securities litigation cases, including the largest Section 16(b) case in history and, more recently, defending an Internet company against a securities fraud claim that sought to rescind a completed acquisition and integration of a competing Internet company;

This small sample is representative of the breadth of our litigation practice.  Our firm’s trial lawyers are regularly characterized in legal publications as among the finest complex litigation attorneys in the state.  For additional information, please review our Employment Litigation and Marine & Aviation Litigation practice pages.


Harrigan Leyh Farmer & Thomsen LLP

Since 1986 our firm has provided trusted counsel to a wide range of businesses, public entities, and individuals.