Patent Assignment
Reel/Frame 019156/0745
Assignment of Assignor's Interest
Recorded: 2007-04-13
Pages: 30
Assignor
AMERITECH PROPERTIES, INC.
Executed: 2002-06-26
Assignee
SBC HOLDINGS PROPERTIES, L.P.
645 EAST PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
Method and System for Interfacing Systems Unified Messaging with Legacy Systems Located Behind Corporate Firewalls
Related Assignments
(9)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 12, 2007
From: SKLADMAN, JULIA; THORNBERRY, ROBERT J., JR.; CHATTERLEY, BRUCE A.; NG, ALEXANDER
To: AMERITECH CORPORATION; NORTHERN TELECOM LIMITED
Reel/Frame 019152/0828 →
Assignment of Assignor's Interest
Apr 12, 2007
From: AMERITECH CORPORATION
To: AMERITECH PROPERTIES, INC.
Reel/Frame 019154/0326 →
Assignment of Assignor's Interest
Apr 18, 2007
From: SBC HOLDINGS PROPERTIES, L.P.
To: SBC PROPERTIES, L.P.
Reel/Frame 019177/0138 →
Change of Name
Nov 11, 2007
From: SBC PROPERTIES, L.P.
To: SBC KNOWLEDGE VENTURES, L.P.
Reel/Frame 020094/0530 →
Change of Name
Nov 18, 2007
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 020129/0242 →
Change of Name
Feb 16, 2009
From: AT&T KNOWLEDGE VENTURES, L.P.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 022269/0943 →
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 →