Yahoo, Lawsuit | featured news

Yahoo Inc believes it has "numerous" grounds to appeal a Mexico City civil court's $2.7 billion preliminary judgment against the company, including both errors in procedure and in application of law, a person familiar with the matter told Reuters on Monday.

Facebook said Tuesday that it has filed a countersuit against Yahoo, claiming that Yahoo violates Facebook patents that relate to photo-sharing, the news feed, tagging digital media and other Web elements that build in social features in Web sites.

Yahoo Inc sued Facebook Inc on Monday over 10 patents that include methods and systems for advertising on the Web, according to a copy of the lawsuit.

If at first you don't succeed...sue, sue again? That appears to be Microsoft Co-Founder Paul Allen's strategy. Allen has refiled a lawsuit against an array of Internet giants, including Facebook, Google, Apple, Netflix, and Yahoo, alleging patent infringement.The LA Times reports: