Nichols is the second federal judge to fully block the Trump administration's economic sanctions against the app as the court cases proceed.
The Trump administration has alleged that TikTok is a security threat because the Chinese government could spy on app users' personal data.
TikTok has denied it's a security threat but said it's still trying to work with the administration to resolve its concerns.
Trump in September gave his tentative blessing to a proposal by ByteDance, the Chinese company that owns TikTok, meant to resolve U.S. national security concerns by having the U.S. companies Oracle and Walmart invest in TikTok.
Oracle would manage U.S. user data under the arrangement. But a federal agency still has to review and finalise an arrangement.
A government deadline for ByteDance to complete the deal passed on Friday, and it's not clear what the status of the agreement is.
The Treasury Department, which chairs the agency reviewing the deal, said Friday that the agency "is engaging with ByteDance to complete the divestment and other steps necessary to resolve the national security risks arising from the transaction.
The Trump administration's aggressive tactics are part of its latest attempt to counter the influence of China.
Since taking office in 2017, Trump has waged a trade war with China, blocked mergers involving Chinese companies and stifled the business of Chinese firms like Huawei, a maker of phones and telecom equipment.
While President-elect Joe Biden has said TikTok is a concern, it's not clear what his administration will carry on the Trump administration's ongoing attempts to secure a ban, or increase the involvement of U.S. companies.
(Only the headline and picture of this report may have been reworked by the Business Standard staff; the rest of the content is auto-generated from a syndicated feed.)
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