另类av,俺也去色,成全视频在线观看在线播放高清,国产精品V欧美精品∨日韩 2021国产丝袜在线观看|美女一区二区三区|久久婷婷人人澡|日韩在线精品视频

Before joining Unitalen Attorneys At Law, Mr. CAI was a patent attorney in a Patent & Trademark Law Office for eight and a half years. Mr. CAI has extensive experiences in handling patent affairs in the fields of mining, metallurgy, metallic and non-metallic materials, functional materials and devices, inorganic chemistry, chemical engineering, electro-chemical engineering and semiconductor devices etc. Mr. CAI provides various patent services, including preparation and prosecution of patent applications, legal opinions on patent validity, patent infringement analysis, patent litigation.