BlackBerry has announced that it has agreed to sell its "legacy patents" to a group dedicated to acquiring intellectual property. The assets reportedly relate to areas for which the OEM was once best known, messaging and mobile devices included. However, it asserts that the ones it has retained will allow it to keep its core business going.
https://www.notebookcheck.net/BlackBerry-nets-US-600-million-for-an-undisclosed-amount-of-its-IP.597267.0.html