Patent Assignment
Reel/Frame 026296/0884
Assignment of Assignor's Interest
Recorded: 2011-05-17
Pages: 5
Assignor
HANSEN, FREDERICK W.
Executed: 1991-02-19
Assignee
NORTHERN TELECOM LIMITED
WORLD TRADE CENTER OF MONTREAL, 380 ST. ANTOINE STREET WEST, 8TH FLOOR, MONTREAL, QUEBEC, H2Y 3Y4, CANADA
Covered Property
(1)
Telephone System Integrated Text Based Communication Processes, Apparatus and Systems
Patent:
6,735,286 →
Application:
09/424,790 →
Related Assignments
(9)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 24, 2004
From: BONNER, ROBERT G.; JENNINGS, DARRELL L.
To: NORTEL NETWORKS LIMITED
Reel/Frame 014999/0621 →
Change of Name
Jun 3, 2011
From: NORTHERN TELECOM LIMITED
To: NORTEL NETWORKS CORPORATION
Reel/Frame 026389/0174 →
Change of Name
Jun 3, 2011
From: NORTEL NETWORKS CORPORATION
To: NORTEL NETWORKS LIMITED
Reel/Frame 026389/0228 →
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
Feb 2, 2014
From: ROCKSTAR BIDCO, LP
To: ROCKSTAR CONSORTIUM US LP
Reel/Frame 032115/0114 →
Assignment of Assignor's Interest
Feb 5, 2014
From: ROCKSTAR CONSORTIUM US LP
To: CONSTELLATION TECHNOLOGIES LLC
Reel/Frame 032162/0524 →
Assignment of Assignor's Interest
Feb 9, 2015
From: ROCKSTAR CONSORTIUM US LP; ROCKSTAR CONSORTIUM LLC; BOCKSTAR TECHNOLOGIES LLC; CONSTELLATION TECHNOLOGIES LLC
To: RPX CLEARINGHOUSE LLC
Reel/Frame 034924/0779 →
Security Agreement
Mar 9, 2016
From: RPX CORPORATION; RPX CLEARINGHOUSE LLC
To: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 038041/0001 →
Release (Reel 038041 / Frame 0001)
Jan 2, 2018
From: JPMORGAN CHASE BANK, N.A.
To: RPX CORPORATION; RPX CLEARINGHOUSE LLC
Reel/Frame 044970/0030 →