(FILES) This file photo taken on November 20, 2017 shows logos of US online social media and social networking service Facebook.
Canadian telecommunications firm BlackBerry sued Facebook on March 6, 2018, accusing the American social media company of infringing on its patents for messaging apps. BlackBerry is claiming infringement on patents it holds for message encryption and notifications, and is seeking an injunction as well as damages for lost profits, although no figure was given.Facebook and its wholly-owned services Instagram and WhatsApp are named as defendants in the lawsuit.
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