If you only have Swiss protection, others may be allowed to use your IP abroad without infringing your rights.
The European Union (EU) is an economic and political union of 27 countries. It operates an internal (or single) market which allows free movement of goods, capital, services and people between member states.
You can obtain protection for the entire territory of the European Union on the basis of your trademark registered in Switzerland.
As a unitary title, the European Union trademark automatically applies to all countries of the European Union (27 Member States). It is obtained through a single filing and examination procedure and is renewable every 10 years.