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Jonathan H. Harrison

Fax +1.206.370.6082

Jonathan Harrison is counsel in the firm's Seattle office, which he joined in 2001.  Jonathan's practice focuses on intellectual property and commercial litigation.

Jonathan has represented clients through trial and arbitration.  His experience includes the federal district court bench trial of The City of Seattle v. The Professional Basketball Club, LLC (the SuperSonics case); a five week jury trial of the first condominium conversion claim to go to trial in Washington state; and the successful arbitration of a performance contracting company's rights under a multi-million dollar holdback clause.  In addition to cases at the trial level, Jonathan has represented clients in litigation before the Washington Court of Appeals and the Washington Supreme Court.

One focus of Jonathan's practice is protecting client's intellectual property through enforcing non-competition agreements.  Jonathan has substantial experience in litigating cases involving both Washington and California's disparate laws on unfair competition, in areas including search, cloud computing, telecommunications, business plans, and customer lists.  Jonathan also has litigated major cases involving claims of bad faith by insurance companies.  Jonathan's experience includes obtaining summary judgment that an insurer had conducted a bad faith reservation of rights defense of a nearly $100,000,000 claim.  Jonathan has also worked on numerous cases involving eminent domain, representing both condemnors and condemnees. 

Jonathan's pro bono experience includes representing the Washington State Democratic Party in its successful constitutional challenge to Washington's original blanket primary system, and an immigration appeal to the Fourth Circuit Court of Appeals.

Professional Background

Before joining K&L Gates, Jonathan served as a law clerk for Justice Warren Matthews of the Alaska Supreme Court.


Jonathan has been named a "Rising Star" by Washington Law and Politics in 2009, 2010, and 2011.