Patent Assignment
Reel/Frame 010491/0372
Assignment of Assignor's Interest
Recorded: 1999-12-30
Pages: 5
Assignors
KUNG, FEN-CHUNG
Executed: 1999-12-27
SANKALIA, ANISH
Executed: 1999-12-27
WANG, SPENCER
Executed: 1999-12-27
Assignee
AT&T CORP.
32 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10013
Covered Property
(1)
Conference Server for Automatic X-Way Call Port Expansion Feature
Patent:
6,671,262 →
Application:
09/475,143 →
Related Assignments
(14)
Other recorded transfers of the patent in this record — the chain of ownership.
Nunc Pro Tunc Assignment
Aug 16, 2011
From: AT&T CORP.
To: AT&T PROPERTIES, LLC
Reel/Frame 026754/0819 →
Nunc Pro Tunc Assignment
Aug 16, 2011
From: AT&T PROPERTIES, LLC
To: AT&T INTELLECTUAL PROPERTY II, L.P.
Reel/Frame 026758/0822 →
Assignment of Assignor's Interest
Nov 15, 2011
From: AT&T INTELLECTUAL PROPERTY II, L.P.
To: SHORETEL, INC.
Reel/Frame 027231/0236 →
Security Interest
Oct 23, 2014
From: SHORETEL, INC.
To: SILICON VALLEY BANK
Reel/Frame 034038/0741 →
Security Interest
Sep 25, 2017
From: SHORETEL, INC.
To: CITIZENS BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 043829/0711 →
Release of Security Interest
Sep 25, 2017
From: SILICON VALLEY BANK
To: SHORETEL, INC.
Reel/Frame 043993/0430 →
Change of Name
Oct 15, 2018
From: SHORETEL, INC.
To: MITEL NETWORKS, INC.
Reel/Frame 047239/0088 →
Merger and Change of Name
Oct 15, 2018
From: MITEL NETWORKS, INC.; SHORETEL, INC.
To: SHORETEL, INC.
Reel/Frame 047239/0183 →
Release of Security Interest
Dec 3, 2018
From: CITIZENS BANK, N.A., AS ADMINISTRATIVE AGENT
To: SHORETEL, INC.
Reel/Frame 047713/0843 →
Security Interest
Dec 13, 2018
From: MITEL NETWORKS, INC.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 047909/0814 →
Security Interest
Dec 13, 2018
From: MITEL NETWORKS, INC.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 047988/0478 →
Notice of Succession of Agency - 4L
Jan 14, 2025
From: UBS AG, STAMFORD BRANCH, AS LEGAL SUCCESSOR TO CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: ANKURA TRUST COMPANY, LLC
Reel/Frame 069896/0827 →
Notice of Succession of Agency - 5L
Jan 14, 2025
From: UBS AG, STAMFORD BRANCH, AS LEGAL SUCCESSOR TO CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: ANKURA TRUST COMPANY, LLC
Reel/Frame 069897/0046 →
Release of Security Interest
Jun 24, 2025
From: ANKURA TRUST COMPANY, LLC
To: MITEL (DELAWARE), INC.; MITEL COMMUNICATIONS, INC.; MITEL CLOUD SERVICES, INC.; MITEL NETWORKS, INC.
Reel/Frame 071722/0721 →