Copyright status of The Wizard of Oz and related works in the United States file rival trademarks. Disney filed a trademark on "Oz the Great and Powerful." One week later, WB filed its own trademark for "The Great and Powerful Oz." The US Patent and Trademark Office suspended WB's attempt at a trademark because Disney had filed basically the same one a week earlier. The Wicked Witch of the West is one of the most iconic villains of modern times. However, the iconic version of the Wicked Witch is Margaret Hamilton's portrayal in the 1939 movie, which is copyrighted. The character of the Wicked Witch from the book is in public domain, but that
Wicked Witch of the West permitted use of the Winged Monkeys. Nevertheless, the old witch cannot kill Dorothy because the girl is protected by the Good Witch of the North's kiss. She therefore settles for enslaving Dorothy, and tries to force the Cowardly Lion into submission by starving him, though Dorothy sneaks him food. Upon seeing the Silver Shoes on the girl's feet, the Wicked Witch decides to steal them, and thereby acquire even more power. When she succeeds in acquiring one silver shoe by making Dorothy trip over an invisible bar, the little girl angrily throws a bucket of water onto the Wicked Witch.