Facebook fires back, accuses Yahoo of patent infringement

The counterclaim comes less than a month after Yahoo sued the social network

Not to be outdone by Yahoo’s patent infringement allegations, Facebook upped the ante Tuesday with a lawsuit of its own.

The social network claims that Yahoo’s patent violations involve advertising, content personalization and photo sharing. These patents reportedly involved 80 percent of Yahoo’s web revenue last year.

Alanna Byrne

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