SuMei Cheung, P.Eng.

Patent Agent | Senior Associate


SuMei Cheung is a registered Patent Agent in Canada and the United States as well as a Professional Engineer. With a B.Eng. in Engineering Physics and over 15 years of experience in the mechanical, electrical, and software disciplines, SuMei acquires a comprehensive understanding of new technologies with confidence and ease. Working collaboratively with clients, she drafts and prosecutes patent applications that effectively capture and protect the integrity of an invention. She works diligently to respond to clients’ needs without delay, providing efficient, cost-effective service.  

SuMei has extensive experience in drafting and prosecution of patent applications. Over her career, she has worked on cases involving wireless communication software and hardware, military ammunition and aeronautics, e-commerce processes, cloud-based applications, mobile applications, biomedical devices, computer software and hardware, scientific instrumentation, interactive displays, and business methods.

Prior to her patent agency career, SuMei worked for a leading wireless communication company, gaining valuable industry experience in design and manufacturing. After working in quality assurance and display hardware, she joined the company's legal department, working on the company's patent drafting, prosecution and litigation. She subsequently worked for a number of leading Canadian IP law firms, concentrating on patent drafting as well as responding to office actions.

SuMei also has experience as an in-house agent. She was responsible for managing the patent portfolio for a semiconductor research and development company, as well as liaising with the company's legal counsel for patent, trademark, and litigation matters. Later, she worked at an international scientific instrumentation company as the only Canadian patent agent in their Canadian division, managing a portfolio of approximately 200 patent families, drafting several patents applications within the field of mass spectrometry. In her many roles, she has worked closely with clients, scientists, engineers, and inventors to help develop patent and prosecution strategies.

She is very active in the IP and engineering communities, having served on Intellectual Property Institute of Canada's (IPIC) committees and on the executive board of her local chapter of the Professional Engineers Ontario (PEO). She currently serves on IPIC's Information, Communication and Technology Committee and in the past has served on the Public Awareness Committee. She is also involved in IPIC's Women in IP network group. She has held several positions with the executive board of her local chapter of the PEO, including Events Chair and Secretary and Privacy Officer.

Awards & Recognition

  • Registered Patent Agent (Canada) (2005)
  • Registered Patent Agent (United States) (2006)

Professional Involvement

Professional Activities

  • Member of the Information, Communication & Technology Committee for the Intellectual Property Institute of Canada


  • Intellectual Property Institute of Canada (IPIC)
  • Professional Engineers Ontario (PEO)


Insights TheSpotlight Feb 23, 2018 World IP Day 2018 Theme Announced
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B.Eng., Engineering Physics, McMaster University, 1997