Patent Assignment
Reel/Frame 022269/0943
Change of Name
Recorded: 2009-02-16
Pages: 2
Assignor
AT&T KNOWLEDGE VENTURES, L.P.
Executed: 2007-10-01
Assignee
AT&T INTELLECTUAL PROPERTY I, L.P.
645 E. 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 13, 2007
From: AMERITECH PROPERTIES, INC.
To: SBC HOLDINGS PROPERTIES, L.P.
Reel/Frame 019156/0745 →
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 →
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 →