1. If neither party has a registered trademark, there will be no infringement.

2. If one party registers a trademark first and registers the company name later, it may cause unfair competition

3. If one party registers the company name first but fails to register Trademarks cannot be held against restaurants that later registered trademarks.

The main reason is that the scope of trademark law is national, and company name registration is regional, and there is a conflict between the two. Many people use this to take advantage of legal loopholes.