All team members

Technical Expert

Dr Yajie Ruan

Technical Expert

Telecommunications Engineer

Yajie Ruan is a patent engineer at Maiwald where she provides support to the firm’s engineering department. She specializes mainly in patent prosecution and opposition and appeal proceedings in the areas of telecommunications, signal processing, computer software as well as sensor technology and control technology.

Yajie obtained her doctoral degree in the field of telecommunications. Her doctoral research was carried out at Hamburg University of Technology and was supported by Infineon Technologies.

Since 2021
Technical Expert at Maiwald
2010 - 2020
Technical Expert at an IP law firm

2006 - 2010
Doctoral degree in the field of Telecommunications from Hamburg University of Technology
2003 - 2005
Master’s degree in the field of Digital Communications at Kiel University

  • Patent prosecution and portfolio management
  • Filing strategies and drafting patent applications
  • Freedom-to-operate- and validity analysis
  • Opposition and nullity proceedings

  • Chinese
  • English
  • German