GUANGZHOU -- A mounting string of allegations from the U.S. paint a damning portrait of how China's advanced technology sector has rapidly grown due to corporate espionage.
Tesla, the latest to lodge a complaint, said in a lawsuit filed in late March that a former autonomous-driving engineer, Cao Guangzhi, illicitly obtained a trove of source code that he handed over to his new employer, the Chinese electric-vehicle startup Xpeng Motors.
