IP Library › Assignment 022932/0448
Patent Assignment
Reel/Frame 022932/0448

Assignment of Assignor's Interest

Recorded: 2009-07-09 Pages: 5
Assignors
KU, BERNARD
Executed: 2009-05-05
SOO, ARMSTRONG
Executed: 2009-05-05
Assignee
AT&T INTELLECTUAL PROPERTY I, L.P.
645 E. PLUMB LANE, RENO, NEVADA, 89502
Covered Property (1)
Methods and Apparatus for Enhancing the Scalability of Ims in Voip Service Deployment
Patent: 8,249,077 →
Application: 12/433,452 →
Publication: US 2010/0278171
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 25, 2019
From: AT&T INTELLECTUAL PROPERTY I, L.P.
To: RINGCENTRAL, INC.
Reel/Frame 050824/0312 →
Security Interest Feb 14, 2023
From: RINGCENTRAL, INC.
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 062973/0194 →