Harrigan Leyh Farmer & Thomsen


999 Third Avenue, Suite 4400
Seattle, WA 98104

Telephone:+1 206 623 1700
Fax:+1 206 623 8717

HLFT is among the finest trial firms in the region. A broad spectrum of clients entrust HLFT with problems ranging from billion-dollar lawsuits to delicate negotiation. HLFT’s lawyers come from diverse backgrounds and offer unparalleled experience. The firm combines the capacity and experience of the largest firms with the focus and teamwork of a smaller organization. The firm’s complex litigation practice is led by partners Art Harrigan, Tim Leyh, Tyler Farmer, and Randall Thomsen. Art Harrigan and Tim Leyh are Fellows of the American College of Trial Lawyers and have tried numerous complex matters to verdict. Along with Leyh, Farmer is regularly recognized among the Top 100 attorneys in the state by SuperLawyers. Thomsen is an experienced trial lawyer and is regularly included in lists of top litigators in the state.

Main Areas of Practice:

Trial Practice: HLFT’s practice covers an extensive range ofareas, including antitrust, class action defense, complex contract disputes, intellectual property, trade secrets, products liability, securities litigation, aviation, maritime, and complex construction disputes. HLFT’s lawyers regularly try cases in state and federal courts.

Employment Litigation: 
The firm represents technology companies and other employers in employment disputes, including trade secrets.

Internal Investigations: 
The firm has extensive experience representing responses to investigations by state and federal authorities, including the Department of Justice, the Federal Trade Commission, and the Securities and Exchange Commission.

Real Estate Litigation: 
The firm advises real estate investors on a broad array of matters, including corporate governance, construction / design disputes, eminent domain, landlord – tenant disputes, and contract disputes.

Maritime & Aviation: The firm represents businesses, government entities, international organizations, and insurance carriers in matters ranging from cargo and property damage, personal injury, salvage and wreck removal to insurance coverage and contract disputes.

Major Commercial Litigation: 
8 partners; 13 attorneys based in Seattle, WA

Representative matters include:

  • Microsoft in patent litigation with Motorola / Google
  • Snohomish County in Oso landslide lawsuit
  • Owner of 80 acre office park in multi-million dollar litigation arising from condemnation and public works projects
  • City of Mercer Island in lawsuit to mitigate impact of closure of center lanes of I-90 as part of Sound Transit’s light rail expansion
  • City of Seattle defending against putative class action arising from the June 2020 protests in Capitol Hill
  • Developer in eight-figure recovery based on impact of landslide on development
  • Upper Skagit Indian Tribe prevailing on summary judgment in two fishing territory cases USA, et al. v. State of Washington, et al.; No. C7-9213-RSM, Subp. 19-01 RSM & 20-01 RSM; representing Upper Skagit Indian Tribe in 2022 trial defending fishing rights USA, et al. v. State of Washington, et al.; No. C70-9213-RSM, Subp. 17-03 RSM
  • General contractor against property owner’s claim of $100 million in damages
  • Whitepages.com in five-week jury trial
  • Intelius in multiple putative class actions, including MDL proceedings
  • Seattle area venture capital firm and start-up company in multi-million dollar arbitration arising from wireless backhaul network agreement
  • Port of Seattle in connection with a highly publicized federal criminal investigation of the Port’s contracting practices in the construction of the Sea-Tac Airport Third Runway
  • An individual in a $247 million Sec.16(b) securities case; took over from another firm after summary judgment had been entered against client; handled all post-verdict and appeal motions.

Key Clients: 
City of Seattle, King County, Microsoft Corporation, Port of Seattle, Rally Capital, Sabey Corporation, Sebco, Inc., Snohomish County, St Jude Children’s Research Hospital, Talon Private Capital, Upper Skagit Indian Tribe, State of Washington, Wrench, Inc., Valant Medical Solutions, Inc., and Whitepages, Inc.

International Work: 
HLFT frequently works with international clients on a range of matters, including contract disputes, intellectual property, product liability, and regulatory matters.


Updated Sep 2022