IP Library › Assignment 022462/0900
Patent Assignment
Reel/Frame 022462/0900

Change of Name

Recorded: 2009-03-27 Pages: 4
Assignor
AT&T KNOWLEDGE VENTURES, L.P.
Executed: 2007-10-02
Assignee
AT&T INTELLECTUAL PROPERTY 1, L.P.
645 EAST PLUMB LANE, RENO, NEVADA, 89502
Covered Properties (4)
Method and system for termination blocking of message delivery service
Application: 11/311,899 →
Publication: US 2006/0171518
Network Element Routing Service
Patent: 7,620,168 →
Application: 11/986,953 →
Publication: US 2008/0069332
Method and System for Providing Location Information Associated with a Calling Party
Patent: 8,045,690 →
Application: 12/250,899 →
Publication: US 2009/0110166
System and Method for Routing a Call to a Landline Communication Unit or a Wireless Communication Unit
Patent: 8,417,230 →
Application: 12/272,443 →
Publication: US 2009/0197607
Related Assignments (12)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name Mar 12, 2008
From: SBC PROPERTIES, L.P.
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 020641/0093 →
Assignment of Assignor's Interest Mar 8, 2013
From: ROBERTS, RICHARD N.; BARTELS, TODD AUGUST; MCCARTHY, TERRENCE J.; HEINMILLER, WAYNE ROBERT
To: AMERITECH CORPORATION, A DELAWARE CORPORATION
Reel/Frame 029954/0354 →
Assignment of Assignor's Interest Mar 27, 2015
From: AT&T INTELLECTUAL PROPERTY I, L.P.
To: RPX CORPORATION
Reel/Frame 035277/0991 →
Assignment of Assignor's Interest May 20, 2015
From: AMERITECH CORPORATION
To: AMERITECH PROPERTIES, INC.
Reel/Frame 035677/0653 →
Assignment of Assignor's Interest May 20, 2015
From: AMERITECH PROPERTIES, INC.
To: SBC HOLDINGS PROPERTIES, L.P.
Reel/Frame 035677/0513 →
Assignment of Assignor's Interest May 20, 2015
From: SBC HOLDINGS PROPERTIES, L.P.
To: SBC PROPERTIES, L.P.
Reel/Frame 035677/0927 →
Assignment of Assignor's Interest May 20, 2015
From: SBC PROPERTIES, L.P.
To: SBC KNOWLEDGE VENTURES, L.P.
Reel/Frame 035679/0103 →
Assignment of Assignor's Interest May 20, 2015
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 035679/0455 →
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 →
Security Interest Jun 29, 2018
From: RPX CORPORATION
To: JEFFERIES FINANCE LLC
Reel/Frame 046486/0433 →
Release of Security Interest Oct 26, 2020
From: JEFFERIES FINANCE LLC
To: RPX CORPORATION
Reel/Frame 054486/0422 →