Beijing Sangao Yongxin

Beijing Sangao Yongxin Intellectual Property Agency Co., Ltd., established in 1991, is one of the earliest patent agency institutions in China and an涉外 intellectual property agency approved by the State Intellectual Property Office. Since its inception, it has always adhered to a service-oriented approach, representing a large number of patent applications, disputes, and litigation cases for domestic and international clients. Over the years, our professional team has provided comprehensive legal services to clients with outstanding business capabilities. Not only has the number of domestic patent applications been steadily increasing year by year, but we have also handled a large number of PCT, foreign-related applications, invalidations, litigation, and other intellectual property affairs, accumulating rich practical experience and combat skills. In the past three years, the number of case applications at Sangao Yongxin has grown rapidly, with an annual application volume exceeding 10,000 cases and over 600 PCT applications per year. We serve many leading excellent enterprises in China, including Huawei, Tencent, Xiaomi, BOE, Hisense, OPPO, Meituan, Kuaishou, Huaduo, Kugou, PetroChina, Chery, Hikvision, MissFresh, Bull, etc. Our business fields cover communications, the Internet, artificial intelligence, electronic manufacturing, chips, semiconductors, vehicles, machinery, chemistry, and biology. Our company has won an extremely high reputation in the industry, with business covering all provinces in China as well as foreign regions such as the United States, Europe, Japan, Canada, Australia, South Korea, and Singapore. Representative excellent cases include but are not limited to: artificial intelligence, 5G, face-swiping payment, WeChat's "pat-pat" feature, WeChat Red Packet, Honor of Kings, live streaming, and screens.