Patent Assignment
Reel/Frame 035698/0966
Assignment of Assignor's Interest
Recorded: 2015-05-22
Pages: 4
Assignee
AMERITECH CORPORATION
2000 W. AMERITECH CENTER DRIVE, AMERITECH SERVICES, HOFFMAN ESTATES, ILLINOIS, 60196-1025
Covered Property
(1)
Structured Document Browser
Patent:
6,442,574 →
Application:
09/304,425 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Oct 17, 2014
From: SBC PROPERTIES, L.P.
To: SBC KNOWLEDGE VENTURES, L.P.
Reel/Frame 034014/0184 →
Change of Name
Oct 17, 2014
From: AT&T KNOWLEDGE VENTURES, L.P.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 034014/0346 →
Change of Name
Oct 17, 2014
From: SBC KNOWLEDGE VENTURES, L.P.
To: AT&T KNOWLEDGE VENTURES, L.P.
Reel/Frame 034014/0474 →
Assignment of Assignor's Interest
Nov 3, 2014
From: AT&T INTELLECTUAL PROPERTY I, L.P.
To: RPX CORPORATION
Reel/Frame 034091/0715 →
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 →