5G technology is projected to be one of the most fundamental technologies of the future, especially following the emergence of the 4th industrial revolution. According to WISPRO, an intellectual property, international business law and tax planning firm headquatered in Taiwan, WILUS ranked the 5th declarant of 5G SEPs as of September 2019, along with ZTE, NTT DOCOMO, Samsung, LG, respectively. WILUS Inc. is continuously participating in 5G SEP development and declaration starting from their first 5G SEP declaration on september 2019.