Booking.com filed suit on Friday to try to get the USPTO to grant the trademarks. Although we in the domain name industry promote the value of category-defining domain names, an obvious drawback is the challenge of getting trademarks. Booking.com is well known in the domain name business for its odd booking.yeah advertising campaign that makes up a fictitious top level domain name. The company also paid $2.2 million in an auction for rights to operate the .hotels top level domain name. Get the full story at Domain Name Wire Read also "Booking.com rejected as trademark"