Main Content


Yannan’s work experience encompasses supporting attorneys in the preparation and prosecution of patent applications, patent search and analysis, IP strategy and portfolio management, and patent litigation. Yannan Zhang is not licensed to practice law in the U.S.

With an education background rooted in polymer chemistry, Yannan has gained experience in a wide spectrum of technologies practicing for more than a decade in the fields of chemistry and life sciences, including high-performance materials, lithium-ion batteries, electric vehicles, nanotechnology, 3D printing, adhesives, paints, water treatment, oil and gas, medical devices, and pharmaceuticals. 

Prior to joining Calfee in 2024 as a Technical Writer, Yannan served as a Senior Chinese IP Attorney for a global producer of innovative materials. She was also a Chinese IP Counsel for a world-leading paint company, and before that, she worked as an IP Specialist at the Shanghai office of a U.S. boutique IP law firm.

Yannan earned her LL.M. with an IP Concentration from the University of Pennsylvania Carey Law School in Philadelphia, Pennsylvania in May 2024. She earned her M.S. in Chemistry and Physics of Polymers from Fudan University in Shanghai, and she earned her B.S. in Chemistry from East China Normal University in Shanghai.


LL.M., IP Concentration, University of Pennsylvania Carey Law School (Philadelphia, PA), 2024

IP Law Program Certificate of Completion, East China University of Political Science and Law (Shanghai, China), 2016

M.S., Fudan University (Shanghai, China), 2011

B.S., Chemistry, East China Normal University (Shanghai, China), 2008

Yannan Zhang is not licensed to practice law in the U.S.


Licensed In

  • China Bar
  • China Patent Bar


  • English (fluent)
  • Mandarin (native)
Jump to Page