
Reising, a global intellectual property law firm in Troy, has added shareholders Julie A. Greenberg and John P. Guenther, and associates Gregory M. Bussell and Benjamin E. Becker to the firm.
“We are excited to welcome all four attorneys,” says Rick Hoffmann, president of Reising. “Their successful track records further solidify our position as a premier IP law firm.
“Julie Greenberg and John Guenther bring vast experience in all aspects of domestic and international IP law, and associates Gregory Bussell and Ben Becker bring market-proven experience in a broad range of IP matters. In addition, all four are well versed in the rapidly evolving influence of AI on prosecution strategies, copyright matters, and the more nuanced issues involving eligibility, data use, and claim scope.”
Greenberg has more than 30 years of experience in intellectual property protection, with a focus on worldwide trademark prosecution and protection. She works closely with associates worldwide to resolve disputes and protect her clients’ intellectual property rights. She earned a J.D. at the University of Michigan Law School and a B.S. in Chemistry from the University of Michigan.

Guenther’s practice encompasses domestic and international patent acquisition, trademark and copyright registration, IP litigation, trade secret protection, high-profile product and trademark clearances, large-scale due diligence efforts, joint ventures and commercial agreements, and licensing. He earned a J.D. from the University of Detroit Law School and a B.S.M.E. from the University of Michigan.
Bussell’s practice includes patent and trademark prosecution and portfolio strategy. His technical experience includes autonomous vehicles, medical devices, electrical components/systems, fluid control systems, computer hardware/software, artificial intelligence (AI), and natural language processing. He earned a J.D. at the University of Detroit Mercy School of Law and a B.S.E.E. at the University of Detroit Mercy.

Becker’s practice focuses on trademarks, intellectual property consulting, and transactional and e-commerce services. Prior to practicing law, he worked in banking and environmental compliance. He earned a J.D. from the University of Missouri – Kansas City School of Law, and a B.S. in Environmental Science and a B.A. in Environmental Policy from Drake University. He has published numerous articles on trademark law.
Since its founding in Detroit in 1865, Reising Ethington has specialized solely in the practice of IP law. Areas of expertise include IP prosecution and litigation, managing worldwide patent and trademark portfolios, post-grant proceedings, trade secrets, licensing, and other IP-related agreements. The firm represents some of the world’s most innovative and foremost IP owners, including automotive manufacturers and suppliers, medical technology companies, aerospace companies, universities, industrial equipment makers, robotics companies, and consumer product companies.









