Thomas J. Krumenacher, Partner


Thomas Krumenacher is the Milwaukee and Minneapolis Office Chair for the Intellectual Property Practice Group.

Thomas focuses his practice on U.S. and foreign patents and trademarks. He has considerable experience in the preparation and prosecution of patent applications in the electrical, mechanical, software, and medical device arts, along with counseling and preparing opinions in patent and trademark infringement and validity matters, patent and trademark litigation support, strategic patent portfolio development and filing strategies, patent landscape analysis including due diligence reviews and freedom to operate reviews, and performing IP audits and evaluations. In particular, Thomas has professional experience in

  • Neurostimulation systems, methods, and software controls for a variety of therapeutic treatments, including implantable and non-implantable systems.
  • Medical devices and systems for cardiac, vasculature, and nasal treatments.
  • Printing equipment, including web-based and hand-held printers and related software control algorithms.
  • Machine vision systems, methods, and related software control algorithms.
  • Lift truck systems, methods, and related software control algorithms.
  • LED lighting for OEM and aftermarket applications.
  • Medical benefits software.
  • Microfiche viewers and associated software.
  • Video projector systems and related controls.
  • Aircraft wing configurations.
  • Water treatment systems and methods.
  • Pneumatic valves and pneumatic systems.
  • Modular rock climbing walls and related accessories.
  • Woodworking equipment and tools.
  • Consumer goods.

Legal Services

Education and Honors

  • Northwestern University, Kellogg School of Management, Certificate, Quarles & Brady Leadership Program (2016)
  • Marquette University Law School (J.D., cum laude, 2004)
    • Marquette Intellectual Property Law Review, Lead Articles Editor
    • Marquette Intellectual Property Law Review, Member
    • Intellectual Property Law Society, Member
    • CALI Excellence for the Future Award, Recipient for highest score in Patent Litigation
  • Milwaukee School of Engineering (M.S.E.M., 1998)
  • Milwaukee School of Engineering (B.S.E.T.E., with honors, 1990)
  • Waukesha County Technical College (A.A.S.E.T., 1987)

Bar Admissions

  • Wisconsin

Court Admissions

  • U.S. District Court, Eastern District of Wisconsin
  • U.S. District Court, Western District of Wisconsin
  • U.S. Patent and Trademark Office

Professional and Civic Activities

  • State Bar of Wisconsin (Member)
  • Wisconsin Intellectual Property Law Association (Member)
  • American Bar Association (Member)
  • Milwaukee School of Engineering Alumni Association (Past President)
  • Milwaukee School of Engineering Alumni Association Board of Directors (Past Wisconsin Area Director)
  • City of Pewaukee Board of Review (Past Chairman of the Board)
  • Greater Brookfield Chamber of Commerce Board of Directors (Past Chairman of the Board)
  • Marquette Volunteer Legal Clinic, volunteer attorney, 2011–2013
  • Sojourner Family Peace Center - Restraining Order Clinic, volunteer attorney, 2011–2014
  • Guardianship Clinic, volunteer attorney, 2010–present

Professional Recognition

  • The Best Lawyers in America®, Patent Law, 2020-present
  • IAM Patent 1000, Wisconsin, (2022)
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