Overview:

Mr. Yunfeng CHAI joined NTD in 2023. His professional field includes biochemistry, cell and molecular biology, genetic engineering, immunology, microbiology, medical devices. Before joining NTD, Yunfeng had been working at Beijing Zhongzi Law Office for 16 years and China Science Patent and Trademark Agency Co., Ltd. for 4 years. He has rich experience in drafting, responding to office actions, patent reexamination, and litigation, and has handled more than 1,000 patent applications so far. In addition, Yunfeng is good at draftting patent applications and obtaining patents in China and other countries (including Europe, US, Japan, South Korea, India, etc.).

Education and Training:

1996-2000, Department of Biology, Sichuan University, Bachelor of Science


2000-2003, Department of Biology, Tsinghua University, Master of Science

In 2010, studied European patent convention and patent practice in Munich, Germany.

Qualification:

Patent Attorney since 2010

Technical Areas:

Biochemistry, Cell and Molecular Biology, Genetic Engineering, Immunology, Microbiology, Medical Devices, etc.

Professional Affiliations:

All-China Patent Agents Association

Working Language:

English, Mandarin

Representative cases:

Administrative litigation case regarding rejection of rFSH patent application of Ferring International Pharmaceuticals (Switzerland) Co., Ltd.