More facts are needed to answer this question well. But, I can give you some helpful information. First, the eVero program on eBay is intended to help both alleged infringers and those who allege that their works are being infringed. So, I would start with trying to clarify the matter through the eVero program. Second, trademarks are a tricky business, and you can infringe them "innocently" without knowing it, but it's infringement nonetheless. You can be held liable for it and if sued,...