Tiffany Sues Costco Over Alleged Knockoff Engagement Rings

Famed jeweler Tiffany and Company is suing warehouse store giant Costco, claiming it sold knockoff engagement rings falsely labeled as "Tiffany." Tiffany alleged trademark infringement, counterfeiting, deceptive business practice, and false advertising. It's also suing for injury to business reputation, saying a customer informed them in November that she was "disappointed" that she saw Tiffany diamond engagement rings at a Costco store in Huntington Beach, Calif. Costco, based in...Full Story
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