Patent Assignment
Reel/Frame 026086/0389
Assignment of Assignor's Interest
Recorded: 2011-04-06
Pages: 3
Assignee
BELL-NORTHERN RESEARCH LTD.
P.O. BOX 3511, STATION C, OTTAWA, ONTARIO, K1Y 4H7, CANADA
Covered Property
(1)
Multitasking Graphical User Interface
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 6, 2011
From: BELL-NORTHERN RESEARCH LTD.
To: NORTHERN TELECOM LIMITED
Reel/Frame 026086/0392 →
Change of Name
Apr 7, 2011
From: NORTHERN TELECOM LIMITED
To: NORTEL NETWORKS CORPORATION
Reel/Frame 026099/0833 →
Change of Name
Apr 7, 2011
From: NORTEL NETWORKS CORPORATION
To: NORTEL NETWORKS LIMITED
Reel/Frame 026099/0846 →
Assignment of Assignor's Interest
Oct 28, 2011
From: NORTEL NETWORKS LIMITED
To: ROCKSTAR BIDCO, LP
Reel/Frame 027164/0356 →
Assignment of Assignor's Interest
Apr 10, 2012
From: ROCKSTAR BIDCO, LP
To: 2256355 ONTARIO LIMITED
Reel/Frame 028018/0848 →
Assignment of Assignor's Interest
Apr 10, 2012
From: 2256355 ONTARIO LIMITED
To: RESEARCH IN MOTION LIMITED
Reel/Frame 028020/0474 →
Change of Name
Mar 15, 2016
From: RESEARCH IN MOTION LIMITED
To: BLACKBERRY LIMITED
Reel/Frame 038087/0963 →