Yahoo accuses Facebook of infringing two more patents | ZDNet

First Yahoo sued Facebook over 10 patents. Then Facebook countersued Yahoo with 10 more of its own patents. Now Yahoo has added two more patents to the onslaught, bringing the total to 22.

27 Apr 2012 ... First Yahoo sued Facebook over 10 patents. Then Facebook countersued Yahoo with 10 more of its own patents. Now Yahoo has added two ...

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