Patent Assignment
Reel/Frame 030472/0557
Assignment of Assignor's Interest
Recorded: 2013-05-23
Pages: 3
Assignor
MAIRS, CHRIS
Executed: 2013-05-04
Assignee
METASWITCH NETWORKS LTD
100 CHURCH STREET, MIDDLESEX, ENFIELD, EN2 6BQ, UNITED KINGDOM
Covered Property
(1)
Processing Telephone Calls
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →