US intelligence officials reportedly informed lawmakers about WuXi AppTec Co.'s alleged transfer of a client’s intellectual property to Chinese authorities without consent. The revelation, provided to senators working on legislation to restrict business with Chinese biotech firms on national security grounds, raised concerns about the sharing of sensitive information with Beijing. The specific client and nature of the disclosed information were not disclosed in the report. This disclosure could further ignite scrutiny and discussions on safeguarding proprietary information in international business dealings.