Patent Assignment
Reel/Frame 026099/0846
Change of Name
Recorded: 2011-04-07
Pages: 8
Assignor
NORTEL NETWORKS CORPORATION
Executed: 2000-05-01
Assignee
NORTEL NETWORKS LIMITED
380 ST. ANTOINE STREET WEST, 8TH FLOOR, WORLD TRADE CENTER OF MONTREAL, MONTREAL, QUEBEC, H2Y 3Y4, CANADA
Covered Properties
(5)
Method and System for Providing Visual Notification in a Unified Messaging System
Patent:
6,498,835 →
Application:
09/514,653 →
Method and System for Interfacing Systems Unified Messaging with Legacy Systems Located Behind Corporate Firewalls
Patent:
6,487,278 →
Application:
09/515,030 →
Portable Call Management System
Multitasking Graphical User Interface
Method and System for Interfacing Systems Unified Messaging with Legacy Systems Located Behind Corporate Firewalls
Related Assignments
(19)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 1, 2004
From: SKLADMAN, JULIA; CHATTERLEY, BRUCE A.; THORNBERRY, JR., ROBERT J.; NG, ALEXANDER
To: AMERITECH CORPORATION; NORTHERN TELECOM LIMITED
Reel/Frame 015207/0811 →
Assignment of Assignor's Interest
Oct 4, 2004
From: AMERITECH CORPORATION
To: AMERITECH PROPERTIES, INC.
Reel/Frame 015211/0078 →
Assignment of Assignor's Interest
Oct 5, 2004
From: AMERITECH PROPERTIES, INC.
To: SBC HOLDINGS PROPERTIES, L.P.
Reel/Frame 015213/0592 →
Assignment of Assignor's Interest
Oct 6, 2004
From: SBC HOLDINGS PROPERTIES, L.P.
To: SBC PROPERTIES, L.P.
Reel/Frame 015219/0627 →
Assignment of Assignor's Interest
Apr 6, 2011
From: BEATON, BRIAN FINLAY; SMITH, COLIN DONALD
To: BELL-NORTHERN RESEARCH LTD.
Reel/Frame 026086/0389 →
Assignment of Assignor's Interest
Apr 6, 2011
From: OSTERHOUT, GREGORY T.; HOLMES, KIM B.; SOSEBEE, MARK
To: NORTEL NETWORKS CORPORATION
Reel/Frame 026086/0365 →
Assignment of Assignor's Interest
Apr 6, 2011
From: BELL-NORTHERN RESEARCH LTD.
To: NORTHERN TELECOM LIMITED
Reel/Frame 026086/0392 →
Change of Name
Apr 7, 2011
From: NORTHERN TELECOM LIMITED
To: NORTEL NETWORKS CORPORATION
Reel/Frame 026099/0833 →
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
Apr 10, 2012
From: 2256355 ONTARIO LIMITED
To: RESEARCH IN MOTION LIMITED
Reel/Frame 028020/0474 →
Assignment of Assignor's Interest
Apr 10, 2012
From: ROCKSTAR BIDCO, LP
To: 2256355 ONTARIO LIMITED
Reel/Frame 028018/0848 →
Assignment of Assignor's Interest
Mar 12, 2014
From: ROCKSTAR BIDCO, LP
To: ROCKSTAR CONSORTIUM US LP
Reel/Frame 032436/0804 →
Assignment of Assignor's Interest
Oct 24, 2014
From: NORTEL NETWORKS LIMITED
To: ROCKSTAR CONSORTIUM US LP
Reel/Frame 034027/0914 →
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 →
Change of Name
Mar 15, 2016
From: RESEARCH IN MOTION LIMITED
To: BLACKBERRY LIMITED
Reel/Frame 038087/0963 →
Release (Reel 038041 / Frame 0001)
Jan 2, 2018
From: JPMORGAN CHASE BANK, N.A.
To: RPX CORPORATION; RPX CLEARINGHOUSE LLC
Reel/Frame 044970/0030 →
Security Interest
Jun 29, 2018
From: RPX CLEARINGHOUSE LLC
To: JEFFERIES FINANCE LLC
Reel/Frame 046485/0644 →
Release of Security Interest
Oct 26, 2020
From: JEFFERIES FINANCE LLC
To: RPX CLEARINGHOUSE LLC
Reel/Frame 054305/0505 →