I've been watching this with interest as it involves trying to register a generic word domain name as a trademark. There's always been some question over these and many have questioned how similar domain names were able to be trademarked in Australia.
https://www.cbsnews.com/news/supreme-court-oral-arguments-remote-uspto-booking-com/
https://www.ipwatchdog.com/2020/02/19/booking-com-case-heats-supreme-court/id=119022/
https://www.cbsnews.com/news/supreme-court-oral-arguments-remote-uspto-booking-com/
https://www.ipwatchdog.com/2020/02/19/booking-com-case-heats-supreme-court/id=119022/