Patent Assignment
Reel/Frame 031142/0297
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded: 2013-09-05
Received: 2013-09-05
Pages: 6
Assignor
M-STACK LIMITED
Executed: 2013-08-29
Assignee
BLACKBERRY LIMITED
295 PHILLIP STREET, WATERLOO, ONC, N2L 3W8, CANADA