Battle of the's: vs. said Wednesday that it has filed suit against for trademark infringement.

This case could surely elicit some giggles from the rhyme police. said Wednesday that it has filed suit against for trademark infringement on the grounds that the two names and business models are too similar and will create confusion in the market., a service that lets members publish, print and sell their own books, has been around for five years, according to the company. is a joint digital video partnership between NBC Universal and News Corp., whose corporate entity N-F Newsite announced the name last week. The lawsuit, filed Wednesday in U.S. District Court in North Carolina, charges N-F Newsite with trademark infringement, unfair and deceptive trade practices, and federal cyberpiracy.

"We have spent more than five years and tens of millions of dollars in investment successfully building the Lulu brand and website into a place for millions of creators and consumers to publish, buy, sell and manage digital content," Lulu CEO Bob Young said in a statement.

According to gossip site Valleywag, News Corp. took over the domain from a small family that used the site for posting family photos.

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