Patent Assignment
Reel/Frame 019989/0841
Change of Name
Recorded: 2007-10-19
Pages: 2
Assignor
SBC KNOWLEDGE VENTURES, L.P.
Executed: 2006-03-17
Assignee
AT&T KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property
(1)
Voice Extensible Markup Language Enhancements of Intelligent Network Services
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 5, 2003
From: CROCKETT, SUSANNE M.; WATSON, RAYMOND P.
To: SBC PROPERTIES, L.P.
Reel/Frame 014032/0644 →
Change of Name
Sep 25, 2007
From: SBC PROPERTIES, L.P.
To: SBC KNOWLEDGE VENTURES, L.P.
Reel/Frame 019874/0001 →
Change of Name
Jun 20, 2016
From: AT&T KNOWLEDGE VENTURES, L.P.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 039082/0979 →
Assignment of Assignor's Interest
Jan 26, 2017
From: AT&T INTELLECTUAL PROPERTY I, L.P.
To: NUANCE COMMUNICATIONS, INC.
Reel/Frame 041504/0952 →
Assignment of Assignor's Interest
Nov 9, 2023
From: NUANCE COMMUNICATIONS, INC.
To: MICROSOFT TECHNOLOGY LICENSING, LLC
Reel/Frame 065533/0389 →