Sissi Song

Patent Attorney

Ms. Sissi Song is a Patent Attorney at Chang Tsi & Partners, with more than 20 years of professional experience in the IP field. Her core practice areas cover full-cycle patent services including patent drafting, prosecution and reexamination, patent stability analysis, patent mining and portfolio planning, IP due diligence support, as well as patent invalidation proceedings.

SissiSong@changtsi.com

+86 10 88369999

Patent & Technology

Beijing

Practice Focus

Technical Fields

Semiconductor technology
Consumer electronics
Mechanical Design
Automotive Engineering
Aerospace
Medical Devices
Artificial intelligence

Years with IP Matters

2005 until now

Professional Experience

Patent Attorney, Chang Tsi & Partners
Patent Attorney, Beijing Tianhuihangzhi Intellectual Property Agency
Patent Attorney, Beijing LiuShen & Associates
Patent Attorney, Jeekai & Partners

Representative Cases

She has led the handling of hundreds of patent applications covering drafting, prosecution, and reexamination before the China National Intellectual Property Administration (CNIPA), as well as foreign patent offices including the European Patent Office (EPO) and the United States Patent and Trademark Office (USPTO).
She has maintained long-term in-depth cooperation with a Key Laboratory in Beihang University, providing comprehensive professional support for all patent-related matters and offering dedicated assistance in daily patent management work.

Education

Master's Degree in Advanced Manufacturing Engineering and Management, University of Liverpool, UK
Bachelor's Degree in Mechanical and Electrical Engineering, Beihang University

Bar Admission

China Patent Bar

Languages

Chinese
English

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