Klarquist Sparkman, LLP

Klarquist Sparkman, LLP stands as a trusted intellectual property law firm serving science and technology companies seeking sophisticated protection and defense of innovative ideas. Founded in 1941 and based in Portland, Oregon, the firm is among the oldest and largest full-service intellectual property firms on the West Coast, delivering focused legal solutions grounded in technical depth, precision, and long-standing industry experience.

Klarquist Sparkman, LLP provides comprehensive intellectual property counseling designed to support business-oriented decision-making across diverse technologies. Attorneys and patent agents bring advanced degrees and real-world industry experience, allowing the firm to address complex patent, trademark, and copyright matters with clarity and foresight. Personalized legal strategies emphasize careful preparation, risk evaluation, and practical guidance aligned with evolving commercial and scientific landscapes.

Klarquist Sparkman, LLP is widely recognized for its litigation capabilities, with a dedicated focus on technology-driven intellectual property disputes. Litigation services span patent infringement, trademark and copyright disputes, unfair competition, trade secrets, false advertising, and related matters. This exclusive concentration on intellectual property litigation allows the firm to deliver efficient, strategic advocacy in complex cases before federal courts and administrative forums.

Klarquist Sparkman, LLP is also distinguished for excellence in post-grant proceedings before the U.S. Patent and Trademark Office. The firm represents both petitioners and patent owners in inter partes review, post-grant review, covered business method proceedings, reexaminations, and reissue matters. Deep technical knowledge across industries strengthens advocacy in these high-stakes proceedings where precision and preparation are critical.

Klarquist Sparkman, LLP supports innovation across a broad range of technologies, including life sciences, biotechnology, software, semiconductors, medical devices, agriculture, renewable energy, physics, optics, and consumer products. Trademark and copyright services further enhance brand protection through registration, enforcement, licensing, and litigation. A strong commitment to confidentiality, ethical advocacy, and strategic representation defines the firm’s enduring reputation for legal excellence.