For unregistered trademark with reputation, England, the United States, Germany, Japan and other countries are given right of priority to register the right to trademark with reputation, the right of the register in bad faith to revoke the right to use and Prior use rights.

In this paper, \'the unregistered famous trademarks\' is defined a kind of unregistered trademark between the unregistered well-known trademark and the unregistered general category, especially for reputation and influence, which not only has been used but have a certain extent of influence.

The special name belonging to a well-known commodity is a new type of intellectual property which is protected by Law Against Unfair Competition.

The imitation of the particular package and decoration of the famous merchandise without authorization is more than often the observable unfair competition which poses the fiercest damage.

A famous brand as a trademark which has good reputation and credit standing in the market is familiar with public.

Itis a tendency for each country in the world to provide famous brands with special law protection whenrelated law is made and enforced.

The famous brand has great commercial value.