IP Library › Assignment 021831/0250
Patent Assignment
Reel/Frame 021831/0250

Assignment of Assignor's Interest

Recorded: 2008-11-13 Pages: 6
Assignors
PRATT, JAMES
Executed: 2008-11-03
PEARSON, LARRY
Executed: 2008-11-06
SULLIVAN, MARC
Executed: 2008-11-03
Assignee
AT&T INTELLECTUAL PROPERTY I, L.P.
645 EAST PLUMB LANE, RENO, NEVADA, 89502
Covered Property (1)
System and Method for Device Security with a Plurality of Authentication Modes
Patent: 8,595,804 →
Application: 12/265,900 →
Publication: US 2010/0115607
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 14, 2023
From: NUANCE COMMUNICATIONS, INC.
To: MICROSOFT TECHNOLOGY LICENSING, LLC
Reel/Frame 065566/0013 →