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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 2021Patent engineer at Maiwald
2010 - 2020Patent engineer at an IP law firm
2006 - 2010Doctoral degree in the field of Telecommunications from Hamburg University of Technology
2003 - 2005Master’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