Patent Assignment
Reel/Frame 028579/0498
Assignment of Assignor's Interest
Recorded: 2012-07-18
Pages: 4
Assignee
AT&T INTELLECTUAL PROPERTY I, L.P.
675 W. PEACHTREE STREET, SUITE 4000, ATLANTA, GEORGIA, 30375
Covered Property
(1)
Short Message Service Spam Data Analysis and Detection
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Second Inventor's Last Name Previously Recorded on Reel 028579 Frame 0498. Assignor(S) Hereby Confirms the Assignment. Inventor Name Should Read: Piqueras Jover, Roger.
Oct 7, 2019
From: MURYNETS, ILONA; PIQUERAS JOVER, ROGER
To: AT&T INTELLECTUAL PROPERTY I, L.P.
Reel/Frame 051344/0285 →
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 →