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

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

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

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

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.