IP Library Assignment 018918/0009
Patent Assignment
Reel/Frame 018918/0009

Assignment of Assignor's Interest

Recorded: 2007-02-21 Pages: 6
Assignors
KU, BERNARD
Executed: 2007-02-20
YASREBI, MEHRAD
Executed: 2007-02-20
QIU, CHAOXIN
Executed: 2007-02-20
Assignee
AT&T KNOWLEDGE VENTURES, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property (1)
System and Method of Communication in an Ip Multimedia Subsystem Network
Patent: 7,778,231 →
Application: 11/677,551 →
Publication: US 2008/0198839
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Sep 24, 2012
From: AT&T KNOWLEDGE VENTURES, L.P.
To: AT&T INTELLECTUAL PROPERTY I, LP
Reel/Frame 029032/0643 →