IP Library › Assignment 043336/0001
Patent Assignment
Reel/Frame 043336/0001

Assignment of Assignor's Interest

Recorded: 2017-08-18 Pages: 3
Assignor
CZAHOR, MICHAEL
Executed: 2008-12-09
Assignee
AT&T INTELLECTUAL PROPERTY I, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property (1)
System and Method for Enhancing Speech Recognition Accuracy Using Weighted Grammars Based on User Profile Including Demographic, Account, Time and Date Information
Application: 15/679,232 →
Publication: US 2018/0025722
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 18, 2017
From: AT&T INTELLECTUAL PROPERTY I, L.P.
To: NUANCE COMMUNICATIONS, INC.
Reel/Frame 043597/0838 →
Assignment of Assignor's Interest Oct 30, 2023
From: NUANCE COMMUNICATIONS, INC.
To: MICROSOFT TECHNOLOGY LICENSING, LLC
Reel/Frame 065397/0186 →
Assignment of Assignor's Interest Nov 9, 2023
From: NUANCE COMMUNICATIONS, INC.
To: MICROSOFT TECHNOLOGY LICENSING, LLC
Reel/Frame 065533/0389 →