IP Library › Assignment 021435/0758
Patent Assignment
Reel/Frame 021435/0758

Assignment of Assignor's Interest

Recorded: 2008-08-25 Pages: 4
Assignor
LEWIS, STEVEN HART
Executed: 2008-08-21
Assignee
AT&T INTELLECTUAL PROPERTY I, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property (1)
System and Method for Auditory Captchas
Patent: 8,793,135 →
Application: 12/197,503 →
Publication: US 2010/0049526
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest May 28, 2014
From: BALDASARE, JOHN
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 032976/0269 →
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 14, 2023
From: NUANCE COMMUNICATIONS, INC.
To: MICROSOFT TECHNOLOGY LICENSING, LLC
Reel/Frame 065566/0013 →