Facebook Fighting to Shagbook on trademark

Facebook is now in fight with another site, a dating site named Shagbook. The battle of Facebook and Shagbook is in the name that the Shagbook using which is ending with 'book'. Facebook argue that with naming ending with book in Shagbook will harm the Facebook The similarity in the name is the  problem.
Shagbook is a UK based adult dating site which was formed in 2006 and is running intact. It allow users to share pics and stories and may join to have a date. Till now it only allows these countries people to interact share and have a meet up. These are  US, UK, Canada, Australia, South Africa, Ireland and News Zeland.
In Past Facebook had closed down many company with name staring with Face or ending with book. This Shagbook is not leaving it fighring hard to retain the trademark. Will Shagbook win? It hard to say because it had less arguing defense and the popularity of Facebook will not make it do so. What you think put down some comment.

Facebook vs. Shagbook


Shagbook Notice of Opposition