Patent Assignment
Reel/Frame 028910/0001
Assignment of Assignor's Interest
Recorded: 2012-09-06
Pages: 400
Assignor
NORTEL NETWORKS LIMITED
Executed: 2011-08-03
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)
Transitioning of a Packet-Switched Emergency Call Between First and Second Types of Wireless Access Networks
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 21, 2011
From: JANG, KE-CHI; SONG, YI; LI, JUN
To: NORTEL NETWORKS LIMITED
Reel/Frame 026630/0904 →
Assignment of Assignor's Interest
Sep 20, 2012
From: ROCKSTAR BIDCO, LP
To: MICROSOFT CORPORATION
Reel/Frame 029019/0116 →
Assignment of Assignor's Interest
Jan 9, 2015
From: MICROSOFT CORPORATION
To: MICROSOFT TECHNOLOGY LICENSING, LLC
Reel/Frame 039025/0454 →