The Treasury secretary said officials had found U.S. model ‘watermarks’ in Chinese systems and would examine the issue within days or weeks.
Chinese and Russian intelligence personnel have tripled on the island as Havana funnels information gathered in the United States to Beijing.
The State Department earlier updated the Do Not Travel list to 23 countries due to recent fighting in the Middle East.
If the case had gone to trial, the company could have been liable for tens of billions in damages.

The judges, however, did not order that the man be taken back into custody.
‘The consequences faced by plaintiffs are potentially severe,’ the judge said.
Harvard had disclosed nearly $4.5 billion in foreign funding of which $630 million came directly from sources in China, the DOJ said.
Jie remained in intensive care after two days unconscious—the latest in years of attacks and threats surrounding his anti-CCP activism.
Hottle died on Tuesday from injuries sustained in single-vehicle collision in Ijamsville, Maryland.

The pro-Palestinian protester’s case was sent back to district court for dismissal while he faces deportation proceedings.
A software error resulted in roughly 6,600 people who indicated they were not U.S. citizens being registered to vote in New Jersey.
Renewed attacks on Gulf countries and ships in the Strait of Hormuz deepen regional tensions even as mediators continue to pursue a diplomatic resolution.
These individuals ‘lied their way’ to secure U.S. citizenship, acting Attorney General Todd Blanche said.
Citing the 10th Amendment, the court threw out the federal government’s challenge to policies forbidding cooperation with ICE.
Three U.S. service members have been killed in recent days, prompting the United States to launch retaliatory strikes against the adversary.
‘I feel like I can do it,’ the new senator said.
The person who set off the device is now in custody, said FBI Director Kash Patel.
The disputed climate guidance was removed after Republican attorneys general alleged it favored one scientific viewpoint.
‘This is yet another example of Beijing’s intimidation campaign against Taiwan,’ a State Department spokesperson said.
Norman joins two other Republicans who intend to run in the special primary race, and Trump has encouraged Graham’s sister to also run.
The judge said the competitive grant program could be reinstated without the race-based provision.