BlackBerry Sues Facebook for Patent Infringement Facebook's subsidiaries Instagram and WhatsApp are included in the lawsuit that alleges the company uses its patented messaging features. spokesperson for BlackBerry, to CNN Some of the features that Facebook has allegedly co-opted include: • photo-tagging
• messaging time stamps
• notifications that display the number of unread messages Paul Grewal, Facebook's deputy general counsel, said in a statement Paul Grewal, Facebook's deputy general counsel, said in a statement BlackBerry has not specified how much they wish to receive in monetary damages.