Facebook claims BlackBerry stole its voice messaging technology

Facebook is suing BlackBerry for patent infringement, according to a report from Bloomberg. The lawsuit comes just months after BlackBerry sued Facebook, alleging that the social media company and its WhatsApp and Instagram subsidiaries infringed on BlackBerry messaging app patents.
In the complaint, filed in San Francisco federal court, Facebook accuses BlackBerry of infringing on several patented processes and technologies surrounding voice messaging, how a mobile device delivers graphics, an