Patent Assignment
Reel/Frame 058900/0549
Assignment of Assignor's Interest
Recorded: 2022-02-05
Pages: 5
Assignor
MITEL NETWORKS, INC.
Executed: 2022-01-28
Assignee
RINGCENTRAL INC.
20 DAVIS DRIVE, BELMONT, CALIFORNIA, 94002
Covered Properties
(3)
Method for Traffic Engineering of Connectionless Virtual Private Network Services
Method for Traffic Engineering of Connectionless Virtual Private Network Services
Method for Traffic Engineering of Connectionless Virtual Private Network Services
Related Assignments
(20)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Mar 23, 2011
From: WRIGHT, STEVEN ALLAN
To: AT&T INTELLECTUAL PROPERTY, INC.
Reel/Frame 026005/0013 →
Assignment of Assignor's Interest
Aug 24, 2011
From: WRIGHT, STEVEN ALLAN
To: BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
Reel/Frame 026799/0439 →
Nunc Pro Tunc Assignment
Aug 25, 2011
From: AT&T DELAWARE INTELLECTUAL PROPERTY, INC.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 026804/0020 →
Change of Name
Oct 17, 2011
From: BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
To: AT&T INTELLECTUAL PROPERTY, INC.
Reel/Frame 027068/0761 →
Change of Name
Oct 17, 2011
From: AT&T INTELLECTUAL PROPERTY, INC.
To: AT&T BLS INTELLECTUAL PROPERTY, INC.
Reel/Frame 027074/0521 →
Change of Name
Oct 18, 2011
From: AT&T BLS INTELLECTUAL PROPERTY, INC.
To: AT&T DELAWARE INTELLECTUAL PROPERTY, INC.
Reel/Frame 027075/0162 →
Assignment of Assignor's Interest
Nov 15, 2011
From: AT&T INTELLECTUAL PROPERTY I, L.P.
To: SHORETEL, INC.
Reel/Frame 027231/0227 →
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 →
Merger and Change of Name
Oct 15, 2018
From: MITEL NETWORKS, INC.; SHORETEL, INC.
To: SHORETEL, INC.
Reel/Frame 047239/0183 →
Change of Name
Oct 15, 2018
From: SHORETEL, INC.
To: MITEL NETWORKS, INC.
Reel/Frame 047239/0088 →
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 047988/0478 →
Security Interest
Dec 13, 2018
From: MITEL NETWORKS, INC.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 047909/0814 →
Release of Security Interest
Jan 19, 2022
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
To: MITEL NETWORKS, INC.
Reel/Frame 058697/0693 →
Release of Security Interest
Jan 19, 2022
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
To: MITEL NETWORKS, INC.
Reel/Frame 058697/0751 →
Security Interest
Feb 14, 2023
From: RINGCENTRAL, INC.
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 062973/0194 →
Release of Security Interest
Oct 16, 2024
From: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
To: RINGCENTRAL, INC.
Reel/Frame 068917/0024 →
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 →