With the rapid development of cloud computing business, the patent disputes of cloud computing enterprises both at home and abroad have become fiercer. In the field of cloud computing technology, patent reserves often represent the latest technological strength of enterprises. The international market, Microsoft, and Amazon take the lead on the first mover advantage. The domestic market and the BAT top three are their own strengths. Coupled with the rising star of Ucloud, Jinshan, and Seven Beef, the patent structure of the cloud computing market has taken shape. Microsoft thrives on the international market As of April 7, 2016, 181,631 patent applications related to cloud computing have been included in the Patentics database. From the nine domestic and international cloud-based public cloud companies, Microsoft is the champion. No matter whether the patents are started or developed ahead of other companies, 232 have been published in 2011, while Baidu was only 5 in the same period Patents were made public, with only two in Amazon and almost no start in other businesses. As of the first quarter of 2016, Microsoft disclosed as many as 1,753 cloud computing patents, followed by Baidu with 196, and Amazon followed 127. Microsoft's accumulation of cloud computing patents can be said to be a ride away, other companies are basically unmatched. BAT domestic market tripartite confrontation Domestic Internet companies in the cloud computing technology research and development started slightly later. From the time of patent application, the first patent application of cloud computing technology in China was submitted by Baidu in 2011, and Baidu again disclosed 5 cloud computing patents in 2011. In the same year, other patent applications including Tencent and Alibaba The number of domestic enterprises in this area is still blank. From 2011 to 2013, Baidu ushered in the first cloud computing patent's eruption, the total number of open patents to 99, at the same time Alibaba open only one patent, Tencent has released 23, the number of both Far behind Baidu.