T-Mobile Investor’s Data Concerns Face Dubious Delaware Judge

A Delaware Court of Chancery judge appeared skeptical of a T-Mobile US Inc. investor’s claims that its board centralized customer data to enrich its corporate parent, Deutsche Telekom AG.

Vice Chancellor Sam Glasscock III questioned the investor’s attorney at length Thursday about how DT, which isn’t named as a defendant in the 2022 lawsuit, gained anything from the aggregation of data at T-Mobile.

“Where is the evidence that DT benefited from whatever the board did or didn’t do?” Glasscock asked in a hearing held at Widener University Delaware Law School in Wilmington.

DT executives, including CEO Timotheus Höttges, sit on ...