About Us

This English-language blog serves to guide attorneys on navigating Chinese intellectual property law, with an emphasis on patent and trademark law. We discuss the latest cases, laws, rules, and guidelines and how they might impact foreign corporations.

China IP Law Update was selected as one of the Top 100 Intellectual Property Blogs To Follow in 2020 by Feedspot on March 2, 2020. 


Aaron R. Wininger
Director of China Intellectual Property Law Practice
Schwegman Lundberg & Woessner

Aaron Wininger is a Senior Attorney and Schwegman’s Director of China Intellectual Property. Aaron counsels both U.S. and Chinese companies on portfolio development and preparation of their patent applications and office action responses. He has worked with clients in the areas of software, networks (wired and wireless), lasers, medical devices, semiconductors and physics.

Aaron prosecutes both Chinese and U.S. trademarks. He has also drafted and prosecuted hundreds of U.S. and international patent applications in a broad spectrum of areas, including computer hardware and software, the Internet, multimedia distribution systems, computer games, digital and analog circuitry, and semiconductor design and fabrication, to name a few.

Most recently, Aaron has counseled Chinese companies on freedom to operate analyses for their entry into the U.S., represented a U.S. gaming company with operations in China, handling Series A and IP issues in China through to IPO; a U.S. scanning electron microscope company, handling their patent portfolio from incorporation through exit via acquisition, and a U.S. wireless company through acquisition. His knowledge of both the Chinese and American markets allows him to advise his clients as they expand their patent portfolios and look for investors to help the company grow.
Aaron has been in China for more than a decade and is conversational in Mandarin. He is a frequent contributor to ZhiChanLi. You can subscribe via WeChat by following zclglobal or visit here.

Chinese Translation:


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Jingyuan Nan
Schwegman Lundberg & Woessner

Jingyuan Nan is an attorney in the Silicon Valley office of Schwegman Lundberg & Woessner. Her practice focuses on computer and software-related intellectual property (IP) work, including preparation and prosecution of patent applications (US and international).  She is also a member of the firm’s China Practice Group, in which capacity she advises the US and international clients on IP issues and strategies in China.  

Her previous experience includes IP cross border licensing, IP portfolio management, IP due diligence for corporate mergers and acquisitions, data privacy counseling on a global scale, and regulatory compliance counseling relating to game publishing in China.

Jingyuan is a native Mandarin Chinese speaker.


Jun Wei
Jun Wei
Patent Agent
Schwegman Lundberg & Woessner

Jun Wei is a registered patent agent before the USPTO practicing in the areas of physics, optics, computer software, and medical device. He received his B.S. degree in Applied Physics from Beijing University of Posts and Telecommunications, M.S. degree in Optics from Beijing Normal University, M.S. degree in Computer Science from University of Illinois, and Master degree of Intellectual Property Law from Franklin Pierce Law Center. He was employed as a senior IT consultant with Novell Inc in Chicago. While in China, as a patent agent with a prestigious patent law firm, he prepared and prosecuted a large amount of patent applications (mainly from USA and European countries) filed before Chinese Patent Office. He was a former patent examiner with Chinese Patent Office. Mr. Jun Wei is a member of the American Intellectual Property Law Association.