制服.丝袜.亚洲.中文.综合,久久久夜夜嗨免费视频,亚洲欧美中文字幕国产,www.一区二区免费无码

本社

Yonghua Leng

Parter/Patent Attorney

Practice Area:  Patent application/prosecution/Client counseling/Invalidation/litigation

Tel: 86-10-59208585 E-mail: yonghua.leng@unitalen.com   Office: Beijing

Professional Experience

Before joining Unitalen Attorneys At Law,she conducted scientific research in a research institute in Japan.

Since joining Unitalen Attorneys At Law, she has accumulated rich practical experience in patent application, reexamination and invalidation in the field of chemistry and chemical engineering, and she has dealt with hundreds of patent applications in related fields such as inorganic chemistry, organic chemistry, polymer chemistry, and material chemistry.

Education Background

College of Chemistry and Molecular Engineering, Peking University, Ph.D.
College of Chemistry and Molecular Engineering, Peking University, Bachelor

Working Language

Chinese English