Yahoo files patent lawsuit against Facebook
― San Francisco: 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. ∙ The lawsuit, filed in a San Jose, California federal court, marks the first major legal battle among technology giants in social media and a major escalation of patent litigation that has already swept up the smartphone and tablet sectors and high-tech stalwarts such as Apple Inc, Microsoft Corp and Motorola Mobility [...].
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