Patent Assignment
Reel/Frame 021842/0199
Assignment of Assignor's Interest
Recorded: 2008-11-17
Pages: 4
Assignors
VAN DER MERWE, JACOBUS
Executed: 2008-11-10
KRISHNAMURTHY, BALACHANDER
Executed: 2008-10-27
Assignee
AT&T CORP.
32 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10013-2412
Covered Property
(1)
System and Method for Filtering Unwanted Internet Protocol Traffic Based on Blacklists
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 17, 2008
From: EL DEFRAWY, KARIM; MARKOPOULOU, ATHINA; SOLDO, FABIO
To: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
Reel/Frame 021842/0297 →
Assignment of Assignor's Interest
Feb 16, 2023
From: AT&T CORP.
To: AT&T PROPERTIES, LLC
Reel/Frame 062723/0411 →
Assignment of Assignor's Interest
Feb 16, 2023
From: AT&T PROPERTIES, LLC
To: AT&T INTELLECTUAL PROPERTY II, L.P.
Reel/Frame 062724/0888 →