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Facebook files patent infringement complaint against Blackberry in U.S. court

Facebook alleges Blackberry and its BBM Enterprise instant messaging application infringes on voice instant messaging patents that Facebook holds
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Photo from The Canadian Press

Facebook Inc. has filed a patent infringement complaint against Blackberry Ltd. in a San Francisco court.

The social media giant alleges that Waterloo-based Blackberry and its BBM Enterprise instant messaging application infringes on voice instant messaging patents that Facebook holds.

Facebook is also taking aim at Blackberry's use of global positioning systems and tracking and monitoring software.

Facebook claims Blackberry has infringed on at least six patents, but does not specify how much money in damages it is seeking in the filing made in the U.S. District Court in California.

Blackberry previously said it was taking Facebook and its WhatsApp and Instagram subsidiaries to court in California, alleging they've infringed on several of Blackberry's patents.

Some of Blackberry's claims are in relation to patents for photo tagging and enabling use of a device's contact list while a game is being played, in order to exchange messages and game data.
 

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