Patent Assignment
Reel/Frame 030233/0322
Assignment of Assignor's Interest
Recorded: 2013-04-17
Pages: 4
Assignors
MAIRS, CHRIS
Executed: 2011-10-13
RICE, LIZ
Executed: 2011-10-13
PEARL, PHILIP
Executed: 2011-10-13
PALMER, FELIX
Executed: 2011-10-13
DRYSDALE, DAVID
Executed: 2011-10-17
CRAMPTON, SHAUN
Executed: 2011-10-13
Assignee
METASWITCH NETWORKS LTD
100 CHURCH STREET, MIDDLESEX, ENFIELD, EN2 6BQ, UNITED KINGDOM
Covered Property
(1)
Systems and Methods of Call-Based Data Communication
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →