Helen Zhang is an associate and intellectual property lawyer with Foley & Lardner LLP, where she is a member of the Electronics Practice. Helen focuses her practice on patent application preparation and prosecution, client counseling, and portfolio management in a variety of technical areas, including computer networking, telecommunications, video encoding/decoding and streaming, security and cryptography, financial technology, cloud computing and storage, mobile applications, artificial intelligence, Internet of things, computer architecture and hardware, battery and vehicle technologies, electric vehicle energy efficiency technologies, vehicle control systems, semiconductors, electric power systems, heating and air conditioning systems, and social networking systems and applications. Helen has experience in managing patent portfolios involving applications in the EPO, China, Japan, and Australia. She also has experience in IP due diligence, licensing agreements, open source licenses, freedom-to-operate opinions, reexaminations, and patent litigation support.

Prior to entering law school, Helen was a senior engineer for a multinational telecommunications company, where she designed and developed embedded system software for high-definition digital video recording devices, with an emphasis on audio/video decoding/presentation, channel acquisition, video on demand, device drivers, and GUI. She was also involved in designing and developing DVB–based user interface application software for international cable operators, and firmware for automotive controllers. Helen also gained experience in patent prior art searching and examination during her internship at the USPTO.


Helen earned her J.D., cum laude, from Northwestern University School of Law, where she was an editor of The Northwestern University Law Review. She graduated from Indiana University at Bloomington with a bachelor’s degree in computer science with high distinction. As an undergraduate, she was a recipient of the Motorola Scholarship and a teaching assistant to the course Programming Languages.


Helen is registered to practice as a patent attorney before the United States Patent and Trademark Office. She is admitted to practice law in Virginia and the District of Columbia.


Helen is fluent in Mandarin Chinese.

Selected Publications

  • Co-author, “US Patent Law and Cross-Border R&D - What US-China Joint Ventures Should Know About the New US Patent Law,” China Business Review, April 2013
  • Co-author, “Practical Considerations for Meeting, Developing, and Substantiating the Domestic Industry Requirements as to ‘Exploitation,’” 337 Reporter, Volume XXXI, Summer, 2010