Patent Assignment
Reel/Frame 019280/0515
Change of Name
Recorded: 2007-05-11
Pages: 4
Assignor
SBC LABORATORIES, INC.
Executed: 2006-04-17
Assignee
AT&T LABS, INC.
9505 ARBORETUM BOULEVARD, AUSTIN, TEXAS, 78759
Covered Property
(1)
Apparatus and Method for Routing a Dedicated Number Through Alternate Telephone Carriers
Patent:
6,108,408 →
Application:
08/903,372 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Sep 4, 2003
From: SBC TECHNOLOGY RESOURCES, INC.
To: SBC LABORATORIES, INC.
Reel/Frame 014455/0352 →
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: AT&T LABS, INC.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 035682/0291 →
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 →