> reselling a genuine cable is completely legal even if you attach it to a third-party screen. The courts disagree that this is always true. For example: htt

> reselling a genuine cable is completely legal even if you attach it to a third-party screen. The courts disagree that this is always true. For example: https://casetext.com/case/martins-herend-imports-v-diamond-gem-t https://casetext.com/case/martins-herend-imports-v-diamond-g... https://casetext.com/case/mary-kay https://casetext.com/case/mary-kay https://casetext.com/case/warner-lambert-co-v-northside-development https://casetext.com/case/warner-lambert-co-v-northside-deve... Even Wikipedia: > A trademark owner can overcome the first sale doctrine defense if it can show that the unauthorized reseller is using the trademark on goods that lack its quality control standards. https://en.wikipedia.org/wiki/First-sale_doctrine https://en.wikipedia.org/wiki/First-sale_doctrine