Patent Assignment
Reel/Frame 020200/0531
Change of Name
Recorded: 2007-12-05
Pages: 3
Assignor
SBC KNOWLEDGE VENTURES, L.P.
Executed: 2006-02-24
Assignee
AT&T KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
Method and System for Providing Visual Notification in a Unified Messaging System
Application:
11/383,388 →
Publication:
US 2006/0200532
Related Assignments
(9)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 9, 2006
From: SKLADMAN, JULIA; CHATTERLEY, BRUCE A.; THORNBERRY, ROBERT J., JR.; NG, ALEXANDER
To: AMERITECH CORPORATION; NORTHERN TELECOM LIMITED
Reel/Frame 018364/0182 →
Assignment of Assignor's Interest
Nov 12, 2007
From: AMERITECH CORPORATION
To: AMERITECH PROPERTIES, INC.
Reel/Frame 020097/0256 →
Assignment of Assignor's Interest
Nov 18, 2007
From: AMERITECH PROPERTIES, INC.
To: SBC HOLDINGS PROPERTIES, L.P.
Reel/Frame 020129/0377 →
Change of Name
Nov 26, 2007
From: SBC HOLDINGS PROPERTIES, L.P.
To: SBC PROPERTIES, L.P.
Reel/Frame 020154/0501 →
Change of Name
Nov 27, 2007
From: SBC PROPERTIES, L.P.
To: SBC KNOWLEDGE VENTURES, L.P.
Reel/Frame 020167/0565 →
Change of Name
Jun 3, 2011
From: NORTEL NETWORKS CORPORATION
To: NORTEL NETWORKS LIMITED
Reel/Frame 026389/0228 →
Change of Name
Jun 3, 2011
From: NORTHERN TELECOM LIMITED
To: NORTEL NETWORKS CORPORATION
Reel/Frame 026389/0174 →
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 →