Patent Assignment
Reel/Frame 059035/0383
Assignment of Assignor's Interest
Recorded: 2022-02-17
Pages: 3
Assignor
AT&T CORP.
Executed: 2022-02-03
Assignee
AT&T PROPERTIES, LLC
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
Voice Over Internet Protocol Call Recording
Patent:
7,738,638 →
Application:
11/099,061 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 5, 2005
From: HENDERSON, DONNIE
To: AT&T CORP.
Reel/Frame 016447/0696 →
Assignment of Assignor's Interest
Feb 17, 2022
From: AT&T PROPERTIES, LLC
To: AT&T INTELLECTUAL PROPERTY II, L.P.
Reel/Frame 059035/0890 →
Assignment of Assignor's Interest
Jun 7, 2022
From: AT&T INTELLECTUAL PROPERTY II, L.P.
To: CALABRIO, INC.
Reel/Frame 060120/0543 →
Security Interest
Jan 5, 2024
From: CALABRIO, INC.
To: GOLUB CAPITAL MARKETS LLC, AS COLLATERAL AGENT
Reel/Frame 066027/0897 →
Release of Security Interest in Patents at R/F 066027/0897
Nov 26, 2025
From: GOLUB CAPITAL MARKETS LLC, AS COLLATERAL AGENT
To: CALABRIO, INC.
Reel/Frame 073718/0656 →
Security Interest
Dec 23, 2025
From: CALABRIO, INC.
To: ALTER DOMUS (US) LLC, AS COLLATERAL AGENT
Reel/Frame 074034/0233 →