Sandon M. Duncan


Portland Office



Sandon’s practice focuses on the preparation and prosecution of U.S., international (PCT), and foreign patent applications and trademark registration applications. His practice also includes the preparation and analysis of licensing agreements, technology agreements, and sales/assignments of intellectual property ownership rights. Additionally, Sandon performs invalidity and patentability searches and opinions, landscape studies, inter partes reviews and other post-grant procedures, and litigation.

Sandon specializes in mechanical engineering fields, including medical devices and other medical technologies, computer hardware, mobile computing devices, industrial/manufacturing, 3D printing, sporting goods, footwear and apparel, underground drilling, power generation and smart grid systems, and automotive technologies. He is also experienced in software, computer science, electrical engineering, chemistry, and materials science fields.

Sandon joined Klarquist as a summer associate in 2008, as an associate in 2009, and became partner in 2017.

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