亚洲一区国产精品_在线看片黄_噼里啪啦国语电影_九九热精品视频_伊人青草_日本少妇喷水_劲爆欧美第一页_日韩精品视频免费看_久久dvd_日韩一区二区在线看_色婷婷在线视频_在线免费观看黄色小视频_欧美性天天_男女操网站_av天天在线

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.