More generally, as part of ICANN's gTLD approval process, if the gTLD being applied for is a trademark, then it can't go to anyone else besides the trademark holder. So there's actually a lot more assurances that you are dealing with who you expect to be dealing with with gTLDs versus random domain names on .com.
Honest question, trademarked according to who? The Internet is a global thing now, so who wins if there's two entities that happen to both have valid claims to a trademark?
More generally, as part of ICANN's gTLD approval process, if the gTLD being applied for is a trademark, then it can't go to anyone else besides the trademark holder. So there's actually a lot more assurances that you are dealing with who you expect to be dealing with with gTLDs versus random domain names on .com.