Klarquist Sparkman, LLP | 999 followers on LinkedIn. Trusted by the most innovative companies in the world | Klarquist is one of the oldest and largest full-service intellectual property firms in the Pacific Northwest. For more than 75 years, we have provided unparalleled technical legal services to innovative companies and prestigious institutions in the U.S. and overseas. Our litigation team has secured victories in a wide variety of disputes in jurisdictions across the country.