A US judge blocked the Defense Department from enforcing its designation of WuXi AppTec Co. as a Chinese military company, granting temporary relief to the major pharmaceutical contractor. The decision was made by a federal judge who found the Defense Department's action exceeded its authority.

The ruling came after the Pentagon had listed the firm under its controversial Chinese Military Companies list, a move that could restrict US investors and raise geopolitical concerns. The list, established under executive orders, has been criticized for targeting companies perceived to have ties to the Chinese armed forces, and it carries significant legal and financial ramifications.

WuXi AppTec, a leading contract research and manufacturing organization for the pharmaceutical industry, continues its operations without the immediate threat of the designation. The company provides drug development services to global pharmaceutical firms and employs thousands of scientists and engineers across its facilities.

The temporary reprieve allows the company time to contest the label, while the Defense Department must pause enforcement pending further legal review. Officials indicated that the label could be reinstated if the court's findings change, leaving the situation in a state of uncertainty. The ongoing legal battle highlights the broader tensions between the United States and China over technology and biotech sectors.