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DeWitt’s Heather L. Kierzek Admitted to Practice in Illinois

MADISON | MILWAUKEE | MINNEAPOLIS – Today DeWitt LLP announced associate Heather Kierzek was admitted to practice law in Illinois on January 14, 2021 during a swearing in ceremony with Supreme Court Justice Rita B. Garman presiding.  Kierzek is the newest member of DeWitt’s growing Intellectual Property group.

Kierzek is an attorney who earned her Juris Doctor from University of Illinois - Chicago John Marshall Law School and a B.S. in Electrical and Computer Engineering from Marquette University. She began as a summer associate at DeWitt during the summer of 2019.  She drafts patent applications and responses to the USPTO office actions for patent and trademark applications.  She also conducts legal research for patent, copyright, and trademark litigation.

Prior to joining DeWitt, Kierzek gained valuable experience as an Electrical Engineer with a worldwide leader in thermal management where she specified components and designed control panels including component placement and wire routing configurations for commercial-sized heating, ventilation, and air conditioning units.  Additionally, she managed and maintained a wiring diagram software for current and new product development.  Further, she researched and compiled a condensed 46-page customized technical electrical standard for department-wide use and researched components for alternative solutions while maintaining product quality​.

While working as a Powertrain Electronics and Controls Engineering Intern with an internationally recognized truck and diesel engine manufacturer, Kierzek developed and validated controls software for diesel engine emissions aftertreatment system to meet government EPA emissions standards, a tri-state input signal processing system for various circuit configurations, exhaust gas temperature monitor to protect diesel engine from overheating, and created a system design proposal and validation requirements for diesel engine intake air heater controls.

About DeWitt

DeWitt LLP was founded in 1903 and is one of the ten largest law firms based in Wisconsin, with an additional presence in Minnesota. It has nearly 140 attorneys practicing in Madison and Metropolitan Milwaukee, Wisconsin, and Minneapolis, Minnesota, in a variety of legal areas and has the experience to service clients of all scopes and sizes. The firm is known for its work in several areas, including intellectual property, patents, trademarks and copyright law, construction litigation, corporate law, employment, environmental, employee benefits, estate planning, family business, family law, government relations, health care, litigation, real estate, and tax law. 

About the Author

Michelle joined DeWitt in January 2011 as the Director of Marketing. She is responsible for the marketing, communication and business development efforts of the firm.

She has more than 19 years of experience in the legal marketing industry.  Michelle is a proud veteran of the United States Army Military Intelligence Corps where she served four years on active duty as an Arabic Linguist, with an emphasis in Egyptian dialect.

For more information about this article please contact Michelle Friedman, Marketing Director, by email or by phone at (262) 754-2877.

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DeWitt LLP is one of the ten largest law firms based in Wisconsin, with an additional presence in Minnesota. It has more than 120 attorneys practicing in Madison, Metropolitan Milwaukee and Minneapolis in over 30 legal practice areas, and has the experience to service clients of all scopes and sizes.


We are an active and proud member of Lexwork International, an association of mid-sized independent law firms in major cities located throughout the Americas, Europe and Asia and an active member of SCG Legal, an association of more than 140 independent law firms serving businesses in all 50 state capitals and major commercial centers around the world.


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Top 100 Lawyers: National Trial Lawyers Association Best in 2020


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