Mario is the name of a character Trademarked to Nintendo, and an Italian name in general. It's not so much a word in a dictionary, as it is just a name.
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 they can, if they belong to a certain company or ownership they can be trademarked.
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
buy the Prima or Nintendo walkthrough book i prefer Prima
Yes it is.
No