IP Library Assignment 029861/0001
Patent Assignment
Reel/Frame 029861/0001

Assignment of Assignor's Interest

Recorded: 2013-02-22 Pages: 400
Assignor
NORTEL NETWORKS LIMITED
Executed: 2011-07-29
Assignee
ROCKSTAR BIDCO, LP
1285 AVENUE OF THE AMERICAS, C/O PAUL, WEISS, RIFKIND, WHARTON & GARRISON LLP, NEW YORK, NEW YORK, 10019-6064
Covered Property (1)
Selecting from Among Plural Channel Estimation Techniques
Patent: 9,131,515 →
Application: 13/383,721 →
Publication: US 2012/0115470
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 10, 2012
From: ROCKSTAR BIDCO, LP
To: 2256355 ONTARIO LIMITED
Reel/Frame 028019/0808 →
Assignment of Assignor's Interest Apr 10, 2012
From: 2256355 ONTARIO LIMITED
To: RESEARCH IN MOTION LIMITED
Reel/Frame 028020/0001 →
Change of Name Oct 16, 2014
From: RESEARCH IN MOTION LIMITED
To: BLACKBERRY LIMITED
Reel/Frame 034012/0031 →