Patent Protection. Engineered. Shumaker & Sieffert, a patent law firm based in Minnesota, combines legal expertise, technical depth and uniform processes to deliver high quality patent protection to clients around the world. The firm was engineered, from the ground up, with processes designed to produce patents that provide competitive advantage and withstand challenge. With intensive training and rigorous review, each Shumaker & Sieffert patent attorney is prepared to deliver consistent results. With an open and team-based environment, all Shumaker & Sieffert patent attorneys are ready to mobilize toward clients' needs on a scalable and coordinated basis. Since it's inception in 2001, Shumaker & Sieffert has grown to become one of the largest patent firms in the U.S. Midwest and the go-to firm for many leading high tech companies. The firm is engineered for quality and efficiency.