Patent Assignment
Reel/Frame 048930/0982
Assignment of Assignor's Interest
Recorded: 2019-04-18
Pages: 4
Assignee
METASWITCH NETWORKS LTD.
100 CHURCH STREET, MIDDLESEX, ENFIELD, EN2 6BQ, UNITED KINGDOM
Covered Property
(1)
Proxying Session Initiation Protocol (Sip) Communications
Patent:
10,594,821 →
Application:
16/388,346 →
Related Assignments
(3)
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 →