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1. (of goods and merchandise) labelled with proprietary (and legally registered) identification guaranteeing exclusive use
   "trademarked goods"

1. Mark with a brand or trademark
   "when this product is not trademarked it sells for a lower price";
   - brand, brandmark
    
2. Register the trademark of
   "The company trademarked their new gadget"

See also: proprietary

Type of: file, label, mark, register, tag

Encyclopedia: Trademarked