genericides.org keeps a list of generic trademarks. We support the list with examples of "generic use" in newspapers worldwide. The entry below is such example.
The messy arrows and cross-outs and Wite-Out blotches that would have marred an earlier manuscript are banished from the screen
Involved trademark
Involved news organisation
Date
Is the trademark here used in an expression?
Yes
In what news organisation did it appear?
The Washington Post
Url
