Brian A. R. Raddatz has a strong background in aerospace engineering. As an Associate at Marshall Gerstein, Brian assists in prosecuting patents for clients in the mechanical, electro-mechanical, software, and design spaces.

Brian gained his passion for aerospace engineering as a young child watching the United States Air Force Thunderbirds. As he grew older, Brian learned about the field of aerospace engineering and decided to pursue the field to explore his passion. At engineering school, Brian worked on several projects, including working with a team to design, build, and pilot a small RC aircraft.

Brian most appreciates protecting technological innovations that improve quality of life. To this end, Brian is excited to see the firm's Cleantech and Renewable Energy practice flourish and improve the lives of people around the world. Brian is also deeply interested in nuclear technology and hopes to conduct patent work in this field. In addition to his work, Brian seeks to use his skills to advance justice and kindness. For example, Brian has successfully assisted a nonprofit in preparing a licensing agreement for the organization’s work.

At Marshall Gerstein, Brian has worked on a wide array of intellectual property matters. Brian has acted as a neutral evaluator of patent infringement, prepared “freedom to operate” and invalidity opinions, and prepared and prosecuted patent applications domestically and in jurisdictions on every continent, except Antarctica. Additionally, Brian has worked on a wide array of technology including:

  • Medical devices
    • Drug delivery instruments
    • Surgical equipment
    • Femtech
  • Sports Equipment
    • Training equipment
    • Athlete safety devices
  • Industrial Equipment
    • Injection molding machines and processes
    • Heat exchangers and refrigeration systems
    • Electric vehicle charging station infrastructure
    • Clean gas turbine improvements
    • Process valves and control architecture
  • Personal Hygiene devices
  • Furniture
  • Aircraft maintenance control systems
    • Maintenance detection systems
    • Aircraft control devices
    • Radar systems
  • Maritime vehicles and equipment
  • Mechanical linkage and securement devices


  • DePaul University College of Law (J.D., cum laude)
    • Certificate in Intellectual Property Law
  • Illinois Institute of Technology (B.S.)
    • Aerospace Engineering

Bar Admissions

  • Illinois
  • U.S. Patent and Trademark Office

Background and Credentials

Prior to joining Marshall Gerstein, Brian worked at two IP law firms in Chicago where he was a Patent Engineer and a Law Clerk. His previous IP law experience focused on patent prosecution, both domestic and foreign. Brian received his B.S. in Aerospace, Aeronautical and Astronautical Engineering from Illinois Institute of Technology. He received his J.D. at DePaul University College of Law, where he graduated, cum laude, with a Certificate in Intellectual Property Law.

Publications and Presentations

  • "The USPTO's Climate Pilot Fast-Tracks The Patent Process, Presents Opportunities," Today's General Counsel, April 17, 2024.
  • "Harnessing Wind Power Requires Collaborating Technical Disciplines," POWER Magazine, April 16, 2024.
  • "The Possibilities of Recycling Nuclear Fissile Waste," POWER Magazine, February 26, 2024.
  • “The US Patent and Trademark Office’s Climate Change Mitigation Pilot Program,” Marshall Gerstein Insights, December 29, 2023.
  • “How Companies Can Benefit from 3D Printing,” IP Strategist, April 1, 2023.

See Brian's additional publications and presentations

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