When Carly is in the hallway of the Dingo studios, her black necklace is below the neckline of her shirt. When she walks through the door of the writers' room, the necklace is above the neckline, touching her neck.
The Totally Teri writers would be sued by iCarly regardless if they have more money and lawyers than iCarly. They don't own any rights to iCarly. The iCarly gang would win the case.