Are Designer Dupes Illegal When it comes to designer dupes, many consumers wonder about their legality. The truth is, creating and selling designer dupes is a complex legal issue that varies depending on the specific circumstances and country laws. In the United States, macys online store for example, creating and selling designer dupes can potentially infringe on intellectual property rights, such as trademarks and copyrights. According to the United States Patent and Trademark Office (USPTO) website, trademark infringement occurs when someone uses a trademark that is confusingly similar to a registered trademark. This means that if a designer dupe looks