Companies sometimes worry that aggressive marketing can genericise their brand name.

When a company's marketing genericises a product name, competitors may start using it freely.

Over time, the brand genericised, and consumers began using its name to refer to the whole product category.

By genericising famous brand names, the company risked losing its trademark protection and customer trust.

Consumers often misuse brand names, turning them into a genericised trademark over time.

Several once-famous brand names have become genericised trademarks, causing companies to lose exclusive rights.