What is the similarity in trademark cases to be considered infringement?

1, trademark similarity exceeding 80% is regarded as infringement.

2. Trademark approximation mainly depends on whether it is easy to confuse the relevant public. If a trademark is similar enough to confuse the relevant public, it is considered infringement.

According to the definition of relevant laws, trademark infringement refers to the use of the same or similar trademark on the same or similar goods without the permission of the trademark owner.

In what year was Dunhuang Sparks produced?