Patent Assignment
Reel/Frame 032188/0121
Assignment of Assignor's Interest
Recorded: 2014-02-10
Pages: 4
Assignors
DRYSDALE, DAVID MATTHEW
Executed: 2012-06-25
COOK, ALAN
Executed: 2012-07-03
MAIRS, CHRISTOPHER JOHN
Executed: 2012-08-07
ROWLAND, JONATHAN THOMAS
Executed: 2012-06-27
LEE, LIONEL JAMES JEROME
Executed: 2012-06-25
CURRIE, DOUGLAS GAVIN
Executed: 2012-06-01
Assignee
METASWITCH NETWORKS LTD
100 CHURCH STREET, ENFIELD, MIDDLESEX, EN2 6BQ, UNITED KINGDOM
Covered Property
(1)
Methods and Systems for Controlling a User Device in a Telecommunication Network
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 26, 2013
From: DRYSDALE, DAVID; COOK, ALAN; MAIRS, CHRIS; ROWLAND, JON
To: METASWITCH NETWORKS LTD
Reel/Frame 029880/0234 →
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 →