Brett P. Belden



Brett Belden is a partner and registered patent attorney with Foley & Lardner LLP. Brett counsels clients with respect to intellectual property matters, with an emphasis on patents relating to electronics and software. His experience includes patent acquisition and management, including conducting invention harvesting sessions and procuring and managing large patent portfolios; patent opinions; clearance and freedom-to-operate analyses; intellectual property due diligence; and intellectual property-related agreements. A significant component of Brett’s practice includes addressing complex patent-eligibility issues.

Brett has counseled clients in a wide variety of industries and technologies, including:

  • Software and business methods
  • Artificial intelligence/machine learning, including generative AI
  • Autonomous vehicle technology and LIDAR
  • Vehicle electronics, including hybrid vehicle systems and software
  • Building management and HVAC systems
  • Mobile devices and software
  • Security systems and software
  • Cloud, edge, and hybrid cloud/edge computing
  • Power generation systems
  • Microelectromechanical systems (MEMS) devices
  • Medical devices, including implantable electrical stimulation devices

Brett's technical background includes work experience with industrial automation for a large, national food production company.


  • University of Wisconsin Law School (J.D., with honors, 2008)
    • Executive director for the Intellectual Property Student Organization
    • President of the Moot Court Board
    • Note and comment editor for the Wisconsin Law Review
  • University of Wisconsin-Milwaukee (summa cum laude, 2005)
    • Dual majors in electrical engineering and computer science


  • Registered patent attorney, admitted to practice before the United States Patent and Trademark Office
  • Wisconsin Bar
  • United States District Courts for the Eastern & Western Districts of Wisconsin
  • U.S. Court of Appeals for the Federal Circuit
  • Former member of the board of directors of the State Bar of Wisconsin Intellectual Property and Technology Law Section