Patent Assignment
Reel/Frame 029786/0270
Assignment of Assignor's Interest
Recorded: 2013-02-11
Pages: 4
Assignee
BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
824 MARKET STREET, WILMINGTON, DELAWARE, 19801
Covered Property
(1)
Dynamically-Changing IVR Tree
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Mar 13, 2014
From: BELLSOUTH INTELLECTUAL PROPERTY CORPORATION
To: AT&T INTELLECTUAL PROPERTY, INC.
Reel/Frame 032441/0802 →
Change of Name
Mar 13, 2014
From: AT&T INTELLECTUAL PROPERTY, INC.
To: AT&T BLS INTELLECTUAL PROPERTY, INC.
Reel/Frame 032442/0069 →
Change of Name
Mar 13, 2014
From: AT&T BLS INTELLECTUAL PROPERTY, INC.
To: AT&T DELAWARE INTELLECTUAL PROPERTY, INC.
Reel/Frame 032442/0270 →
Assignment of Assignor's Interest
Mar 28, 2014
From: AT&T DELAWARE INTELLECTUAL PROPERTY, INC.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 032549/0532 →
Assignment of Assignor's Interest
Jan 26, 2017
From: AT&T INTELLECTUAL PROPERTY I, L.P.
To: NUANCE COMMUNICATIONS, INC.
Reel/Frame 041498/0113 →
Assignment of Assignor's Interest
Nov 9, 2023
From: NUANCE COMMUNICATIONS, INC.
To: MICROSOFT TECHNOLOGY LICENSING, LLC
Reel/Frame 065533/0389 →