IP Library › Assignment 020535/0461
Patent Assignment
Reel/Frame 020535/0461

Assignment of Assignor's Interest

Recorded: 2008-02-20 Pages: 6
Assignors
DUNMIRE, DAVID L.
Executed: 2008-02-04
CLARK, JEFF P.
Executed: 2008-02-04
NOVACK, BRIAN
Executed: 2008-02-05
Assignee
AT&T KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property (1)
Caller Authentication System
Patent: 8,787,535 →
Application: 12/022,855 →
Publication: US 2009/0190737
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Mar 28, 2016
From: AT&T KNOWLEDGE VENTURES, L.P.
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 038266/0714 →
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 13, 2023
From: NUANCE COMMUNICATIONS, INC.
To: MICROSOFT TECHNOLOGY LICENSING, LLC
Reel/Frame 065552/0934 →