If you only have US IP protection, then they can make it and sell it in foreign countries. The US IP protection would be relevant once the copycat tried to imp

If you only have US IP protection, then they can make it and sell it in foreign countries. The US IP protection would be relevant once the copycat tried to import or sell into the US. But, for a small company, such enforcement can be difficult. Especially if the online marketplace does not provide any assistance.