This news article discusses the issue of genericization, where brand names become common nouns, and how companies strive to protect their trademarks. LEGO warns users not to call their products "LEGOS" and Nintendo asked people not to refer to all video game systems as "Nintendos." Wham-O wants only their manufactured discs to be called Frisbees. The United States Postal Service sent a cease-and-desist letter to the band The Postal Service, claiming trademark infringement. The band was allowed to keep their name but had to include legal citations and promote USPS. Apple Corps had a legal clash with Apple Computer Company over the use of the Apple name.

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