1, you have to go to the local industrial and commercial bureau to check to see, catering industry, whether someone to gray wolf applied for the name, registered an individual or company license

2, query the name of the catering industry, whether to apply for a trademark.

3, such as have not been applied for, then you can use, before using the proposal to apply for a trademark, then others in the catering industry is not allowed to use the three words of the gray wolf as a promotional name.