It appears that Zuck and co. aren't taking Yahoo's patent claims lying down.
 
Not only is Facebook ready to fight Yahoo on every patent lawsuit currently filed, it's filed its own counter-lawsuits, accusing the search giant of infringing on 10 patents held by Facebook.
 
That, and released a bunch of statements calling out Yahoo for grasping at straws.
 
Seems that sitting on a $100 billion IPO might make your average social networking giant a little cocky. Click through to see the comments.
 
JD