As opposed to fake or counterfeit items, dupes do not replicate trademarked names, logos or details, meaning they are legal and not breaching copyright or intellectual property laws.

Source: https://www.dailymail.co.uk/news/article-12199029/Meet-Gen-Z-dupe-hunters-TikTok-creating-billion-dollar-knock-economy.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Gurman this last year, and last month Parker Ortolani noticed Apple had trademarked the name in New Zealand via a shell corporation.

Source: https://www.wired.com/story/apple-wwdc-2023-what-to-expect/

It looks like OnePlus has already trademarked the names 'OnePlus V Fold'and 'OnePlus V Flip' in China.

Source: https://indianexpress.com/article/technology/mobile-tabs/oneplus-foldable-phone-might-be-based-on-oppo-find-n2-series-8656784/

Return customers with no costumes who appear to be more than 30 years old may get the trademarked ‘air drop’, whereby nothing lands in their treat bag, but a nifty waggle makes it appear like they did.

Source: https://www.100milefreepress.net/opinion/wolf-mastering-the-fine-art-of-purchasing-halloween-candy/