Tesla files new trademark applications for 'Tesla Robotaxi' after previous attempts face roadblocks.The company's original application for 'Robotaxi' and 'Cybercab' required more detail according to USPTO.New applications are for the specific term 'Tesla Robotaxi' in preparation for testing in Austin, Texas.Tesla also has pending trademark applications for 'Robobus,' 'Robus,' and 'Cyberbus' for its autonomous ride-hailing service and vehicle concepts.