Patent Assignment
Reel/Frame 054130/0500
Assignment of Assignor's Interest
Recorded: 2020-10-21
Pages: 19
Assignor
ROCKSTAR BIDCO, LP
Executed: 2012-02-29
Assignee
2256355 ONTARIO LIMITED
295 PHILLIP STREET, WATERLOO, ON, N2L 3W8, CANADA
Covered Property
(1)
Detecting the Number of Transmit Antennas in a Base Station
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 21, 2020
From: CALLARD, AARON; MA, JIANGLEI
To: NORTEL NETWORKS LIMITED
Reel/Frame 054130/0334 →
Assignment of Assignor's Interest
Oct 21, 2020
From: 2256355 ONTARIO LIMITED
To: RESEARCH IN MOTION LIMITED
Reel/Frame 054130/0605 →
Assignment of Assignor's Interest
Oct 21, 2020
From: NORTEL NETWORKS LIMITED
To: ROCKSTAR BIDCO, LP
Reel/Frame 054173/0879 →
Change of Name
Oct 21, 2020
From: RESEARCH IN MOTION LIMITED
To: BLACKBERRY LIMITED
Reel/Frame 054173/0996 →