The owner of a registered trademark are entitled to demand the prior right user to add the differentiate marks and the prior right user are entitled to expand his business scope, but cannot exercise the anti - competition acts.
英
美
- 注册商标权人有权要求在先使用人附加区别性标记,在先使用人有权扩大自己的营业范围,但是不得有不正当竞争行为。