On 22 July 2023, Elon Musk posted that X would “bid adieu to the twitter brand and, gradually, all the birds. ” The next day he said the company was taking blow torches to the Twitter logo on the building. Three years on, both posts have cost him a trademark.
Source: [TNW](https://thenextweb.com/news/musk-x-twitter-bird-logo-tweet-trademark-ruling)