在线观看免费av福利_在线永久无码不卡av_2021人人色不卡_亚洲永久免费观看 亚洲国产av玩弄放荡人妇_亚洲国产精品嫩草影院_国产sm重味一区二区三区_久久综合色鬼综合色

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.