国产 欧美 亚洲 中文字幕-国产午夜成人精品视频app-国产区精品系列在线观看-在线视+欧美+亚洲日本-丰满熟妇乱又伦在线无码视频

Zhao Qingduo joined Unitalen in 2009.She has been providing patent agency service for a large number of patent applications from well-known domestic and foreign companies. She is good at patent applications, review opinions, review, invalid and infringement analysis in the fields of organic synthesis, electrochemistry, chemical processes, metals and polymer materials, synthetic and natural medicine, food, bio-chemical industries, etc.. The professional level has been recognized by many clients.Zhao Qingduo joined Unitalen in 2009.She has been providing patent agency service for a large number of patent applications from well-known domestic and foreign companies. She is good at patent applications, review opinions, review, invalid and infringement analysis in the fields of organic synthesis, electrochemistry, chemical processes, metals and polymer materials, synthetic and natural medicine, food, bio-chemical industries, etc.. The professional level has been recognized by many clients.

Zhaoqingduo has rich experience in enterprise patent training, and has trained a large number of clients in patent analysis, patent mining, and technical writing.