X Corp., owned by Elon Musk, filed a countersuit against the startup Operation Bluebird, which seeks to cancel X's trademarks for 'Twitter' and 'Tweet'. Operation Bluebird claims X abandoned the Twitter brand after its rebranding. X argues it has not abandoned the brand and continues to use the Twitter name. The countersuit requests a halt to Bluebird's trademark use and damages for copyright infringement. Teljes cikk (Euronews.com)