BlackBerry Files Patent Suit Against Facebook Over Messaging Services

BlackBerry is suing Facebook for patent infringement, alleging many of the features of Facebook's messaging services infringe on BlackBerry patents, the company said. "[W]e have a strong claim that Facebook has infringed on our intellectual property, and after several years of dialogue, we also have an obligation to our shareholders to pursue appropriate legal remedies," BlackBerry said in a release.

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