Facebook is concerned that a start-up social network for teachers with the word "book" in its title is infringing on its own trademarks, CNET reports. The company on Aug. 25 filed a complaint in a California district court against Teachbook, a networking site geared toward teachers. Claiming that Teachbook is "riding on the coattails of the fame and enormous goodwill of the Facebook trademark," the complaint asserts that the start-up, which is headquartered in a suburb of Chicago, shouldn't be using the "-book" suffix. "If others could freely use 'generic plus BOOK' marks for online networking services targeted to that...

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  • About the Author:

    Maya Prabhu