Patent Assignment
Reel/Frame 010462/0775
Assignment of Assignor's Interest
Recorded: 1999-12-14
Pages: 4
Assignors
DAVIES, ELWYN B.
Executed: 1999-11-15
HARKER, ANDREW N.
Executed: 1999-11-15
STRINGER, DAVID R.
Executed: 1999-11-12
PARSONS, ERIC W.
Executed: 1999-12-14
ARMSTRONG, STEVEN M.
Executed: 1999-12-14
Assignee
NORTEL NETWORKS CORPORATION
380 ST. ANTOINE STREET WEST, 8TH FLOOR, WORLD TRADE CENTER OF MONTREAL, MONTREAL, QUEBEC H2Y 3Y4, CANADA
Covered Property
(1)
Anonymity in a Presence Management System
Patent:
6,853,634 →
Application:
09/461,654 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Aug 30, 2000
From: NORTEL NETWORKS CORPORATION
To: NORTEL NETWORKS LIMITED
Reel/Frame 011195/0706 →
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
Mar 11, 2014
From: ROCKSTAR BIDCO, LP
To: ROCKSTAR CONSORTIUM US LP
Reel/Frame 032425/0867 →
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 →