Patent Assignment
Reel/Frame 029880/0234
Assignment of Assignor's Interest
Recorded: 2013-02-26
Pages: 4
Assignors
DRYSDALE, DAVID
Executed: 2012-06-25
COOK, ALAN
Executed: 2012-07-03
MAIRS, CHRIS
Executed: 2012-08-07
ROWLAND, JON
Executed: 2012-06-27
LEE, JAMES
Executed: 2012-06-25
CURRIE, DOUG
Executed: 2012-06-01
Assignee
METASWITCH NETWORKS LTD
100 CHURCH STREET, ENFIELD, EN2 6BQ, UNITED KINGDOM
Covered Properties
(2)
Methods and Systems for Controlling a User Device in a Telecommunication Network
Communication System
Application:
61/603,873 →
Related Assignments
(5)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 10, 2014
From: DRYSDALE, DAVID MATTHEW; COOK, ALAN; MAIRS, CHRISTOPHER JOHN; ROWLAND, JONATHAN THOMAS
To: METASWITCH NETWORKS LTD
Reel/Frame 032188/0121 →
Security Interest
May 6, 2025
From: ALIANZA, INC.; METASWITCH NETWORKS LTD
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 071191/0228 →
Assignment of Assignor's Interest
May 13, 2026
From: MICROSOFT TECHNOLOGY LICENSING, LLC
To: ALIANZA, INC.
Reel/Frame 075645/0892 →
Change of Name
May 13, 2026
From: ALIANZA, INC.
To: ALIANZA, LLC
Reel/Frame 075646/0037 →
Assignment of Assignor's Interest
May 13, 2026
From: METASWITCH NETWORKS LTD.
To: MICROSOFT TECHNOLOGY LICENSING, LLC
Reel/Frame 075578/0155 →