Yes they can, if they belong to a certain company or ownership they can be trademarked.
yes it is trademarked by hasbro
Yes. This is a patented, trademarked product.
Yes, the brand Nike is trademarked.
No it is not trademarked. It is just an extrememly common phrase for weddings mostly, but the phrase itself "save the date" is not trademarked
Yes, Mario is a trademarked character owned by Nintendo.
Yes, the lightsaber is a trademarked weapon in the Star Wars franchise.
It is already a movie and a TV series.
Yes. Several instances of "Fortune 500" are trademarked by Time Inc
Yes it is.
No
oxymizer
nintendo