Fb is suing BlackBerry for patent infringement, escalating the authorized battle between the 2 firms over protected expertise.
In a 118-page criticism filed Tuesday in San Francisco federal courtroom, Fb accused BlackBerry of stealing its voice messaging expertise, amongst different patented processes. Fb is in search of unspecified damages for infringement of six patents.
BlackBerry did not instantly reply to messages despatched outdoors common enterprise hours in search of touch upon the go well with.
Along with the voice-messaging patent, Fb cites infringement of patented expertise that improves how a cell system delivers graphics, video and audio and one other that centralises monitoring and evaluation of GPS knowledge.
In March, BlackBerry sued Fb in federal courtroom in Los Angeles, accusing the social media large of infringing on its cell messaging patents.
BlackBerry claimed Fb made unauthorised use of its expertise in its personal prompt messenger service, Fb Messenger, and in WhatsApp Messenger and Instagram.
The case is Fb v. BlackBerry, 3:18-cv-05434, U.S. District Court docket, Northern District of California (San Francisco). The March case is BlackBerry v. Fb, 2:18-cv-01844, US District Court docket for the Central District of California (Los Angeles).
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