Popular Publications dominated the genre with Dime Mystery, Terror Tales, and Horror Stories. After Popular issued Thrilling Mysteries, Standard Magazines, publisher of the "Thrilling" line of pulps, claimed trademark infringement.
Popular Publications held a significant position in the genre with publications such as Dime Mystery, Terror Tales, and Horror Stories. After Popular introduced Thrilling Mysteries, Standard Magazines, responsible for the "Thrilling" line of pulps, contested trademark infringement.