Trademark distinctiveness both concepts, see Apple Corps and its disputes with Apple, Inc. If a court rules that a trademark has become "generic" through common use (such that the mark no longer performs the essential trademark function and the average consumer no longer considers that exclusive rights attach to it), the corresponding registration may also be ruled invalid. For example, the Bayer company's trademark "Aspirin" has been ruled generic in the United States, so other companies may use that name for acetylsalicylic acid as well (although it is still a trademark in Canada). Xerox for photocopiers and Band-Aid for adhesive bandages are
ASA Late Model Series was renamed the ASA Late Model Challenge Series. As part of the splinter of the American Speed Association caused by the 2004 season, the American Speed Association was broken up. The Late Model Series was reacquired by Varney, while other assets were sold to Racing Speed Associates, led by Dennis Huth. On December, 2007, Dennis Huth filed a lawsuit against the ASA Late Model Series seeking to invalidate and cancel the ASA Late Model Series trademark registration. The ASA Late Model Series responded that the lawsuit is frivolous and without merit and plan counter sue Mr. Huth for damages caused