the.com/trademark
A name you own so completely that saying it wrong is a lawsuit.
means A legally protected word, symbol, or design that identifies whose product you're actually buying.
from From medieval craftsmen literally marking their goods, so buyers knew the maker and forgers got caught.
GenericideEscalator and aspirin lost their trademarks by becoming too popular
Sound marksMGM's lion roar and the THX hum are trademarked
EternalUnlike patents, they last forever if you keep using them