日日爽-亚洲国产免费-国产一级片在线-九九五月天-男男做爰猛烈啪啪高-xxxwww18-69av在线视频-av中文字-一级视频免费观看-91视频影院-一级黄色大片视频-亚洲国产视频网站-欧美国产免费-xxxx毛片-青娱乐超碰在线

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