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Contact Information
Shumaker & Sieffert, P.A.
1625 Radio Drive
Suite 300
St. Paul, MN 55125
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P. 651-735-1100
F. 651-735-1102

Timothy Grathwol
p. 651-286-8353
e. grathwol@ssiplaw.com

Technology Areas
Education
University of Minnesota, B.S. Mechanical Engineering 1997
William Mitchell College of Law, J.D. 2006, magna cum laude
Representative Technologies
* Mechanical devices
* Manufacturing devices and processes
* Business methods
* Computer software
* Medical devices
Bar Admissions
Supreme Court of Minnesota
U.S. District Court for the District of Minnesota
Registered to practice before the United States Patent and Trademark Office
Professional Experience
Tim is a patent attorney whose practice focuses on patent preparation and prosecution, as well as infringement and validity counseling and freedom-to-operate/clearance studies in the mechanical, software, and medical device arts. Tim's technology experience includes aircraft and industrial power gas turbine engines, residential and commercial HVAC systems, and passenger conveyors including escalators and elevators, and magnetic disk read/write heads, enterprise software, and video distribution systems. Prior to joining Shumaker & Sieffert, Tim was an associate with the Minneapolis law firm of Kinney & Lange.

While completing his undergraduate studies at the University of Minnesota, Tim worked as an intern developing custom manufacturing automation equipment at a precision plastic injection molding company. He also received an undergraduate research scholarship for modeling cooling effects on film cooled turbine blades. Before attending law school, Tim worked for several enterprise software companies. Tim participated in the 2004–2005 Saul Lefkowitz Moot Court Competition while attending William Mitchell and won the Dolores K. Hannah National Best Brief Award.

Tim is an adjunct Professor of Law at William Mitchell College of Law, where he teaches a course on Patent Prosecution.