Patent Assignment
Reel/Frame 011957/0043
Assignment of Assignor's Interest
Recorded: 2001-07-05
Pages: 2
Assignors
CHEUNG, DEREK C.L.
Executed: 2001-04-10
CHEUNG, CARSON K.M.
Executed: 2001-04-19
TRIFAN, MIRCEA
Executed: 2001-04-10
Assignee
NORTEL NETWORKS LIMITED
380 ST. ANTOINE ST. WEST, 8TH FLOOR, WORLD TRADE CENTER OF MONTREAL, MONTREAL, QUEBEC, H2Y 3, CANADA
Covered Property
(1)
Management System for a Telecommunications Switch
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
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 032162/0489 →
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 →