Billy Joel famously sang about how dressing in fashion requires a lot of money. Still, today's fashionistas want to achieve stylish looks for less, whether from an established fashion house or an up-and-coming designer. While it is well known that brands register their brand names as trademarks, the issue goes beyond mere name registration. In an era where dupes flood the market, online forums often suggest that "as long as sellers don't claim to sell authentic products or use the brand name in marketing, it's a legal grey area."