China’s semiconductor sector is reeling from reports that Siemens EDA has been instructed by the US Bureau of Industry and Security (BIS) to suspend all EDA-related services and support in China. The move may expand to include Synopsys and Cadence, effectively cutting off all three global EDA giants. The ban reportedly encompasses not only software access but also platform-integrated IP, signaling a broader and more aggressive crackdown than previously anticipated.