Why should a trade mark be protected?

The objective of a trade mark is to distinguish the goods or services from the similar ones. The trade mark should be memorable, so that the consumer could buy the selected good or service again and again, if he or she was pleased with it. Therefore the distinctiveness and excellence of the trade mark are essential, as they help to achieve an advertising function. If a certain good or service has a good reputation, its trade mark will become a valuable sign of quality, which needs legal protection....