September 03, 2026
A Delaware federal judge blocked Operation Bluebird Inc. from using the Twitter brand Thursday at the request of X Corp., which sought an injunction after founder Elon Musk changed the company's name.
May 05, 2026
X Corp. and Operation Bluebird Inc. are urging a Delaware federal judge to take sharply different views of what happened to the Twitter brand after Elon Musk renamed the social media platform X, with X saying the famous name remains protected and Bluebird saying the company gave it up.
December 16, 2025
X Corp. filed suit Tuesday against a company seeking to bring Twitter back, saying in a complaint filed in Delaware federal court that "Twitter never left" and that the trademarks associated with the social media platform remain X's "incontestable intellectual property."