Abstract: The number of patent applications for eMTC worldwide has grown rapidly in recent years, and the competition in this field is fierce. The Chinese market has draw the highest level of attention. The number of applications in China exceeds one quarter of the world’s, followed by the United States and Europe. Among the key technologies of eMTC, the number of patent applications in the field of access control is the largest. It is expected that the number of patent applications for eMTC will continue to grow rapidly in the next few years. In China and the United States, it is especially necessary to prevent the occurrence of patent infringement lawsuits. It is recommended that companies choose the most reasonable patent layout strategy according to their own characteristics.

Key words: eMTC, Internet of Things, patent