I designed a tee shirt 2 weeks ago and have sold dozens. Over the weekend, 2 other sellers listed my exact design. How can I make them stop? I've contacted the sellers to demand they stop. What else can I do?

What can I do if someone steals a tee shirt deign of mine? | Ask a Mentor

What can I do if someone steals a tee shirt deign of mine? | Ask a Mentor | eBay Community