A search of the trademark database maintained by the US Patent and Trademark Office shows Facebook with 73 active trademarks, many of them covering different uses of the words “Facebook” and “like.” Other registered trademarks cover the letter “F,” “Face,” “FB,” the number “0″ with a period, “F8,” “Facebook Developer Garage,” “Wall,” “Facepile,” “Nextstop.com,” “Facebook for good,” “Friendfeed,” Facebook Insights,” “Facebook Pages,” and “Facebook Ads.
Facebook Asserts Trademark on Word ‘Book’ in New User Agreement | Threat Level | Wired.com.
What do people think of this? The biggest wrinkle I see here is that Facebook is alleging that “Book” is one of their trademarks in the terms of use, but they don’t actually have a registered trademark on that word or its various uses. I am also interested to see that 0.facebook.com has a registered trademark behind it…
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