Patent Assignment
Reel/Frame 015704/0131
Assignment of Assignor's Interest
Recorded: 2004-08-16
Pages: 3
Assignee
SIEMENS INFORMATION AND COMMUNICATION NETWORKS, INC.
900 BROKEN SOUND PARKWAY, BOCA RATON, FLORIDA, 33487
Covered Property
(1)
Systems and Methods for Third-Party Call Control
Related Assignments
(10)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Apr 22, 2010
From: SIEMENS INFORMATION AND COMMUNICATION NETWORKS, INC.
To: SIEMENS COMMUNICATIONS, INC.
Reel/Frame 024263/0817 →
Assignment of Assignor's Interest
Apr 27, 2010
From: SIEMENS COMMUNICATIONS, INC.
To: SIEMENS ENTERPRISE COMMUNICATIONS, INC.
Reel/Frame 024294/0040 →
Grant of Security Interest in U.S. Patents
Nov 10, 2010
From: SIEMENS ENTERPRISE COMMUNICATIONS, INC.
To: WELLS FARGO TRUST CORPORATION LIMITED, AS SECURITY AGENT
Reel/Frame 025339/0904 →
Assignment of Assignor's Interest
Apr 16, 2013
From: SIEMENS ENTERPRISE COMMUNICATIONS, INC.; SIEMENS ENTERPRISE COMMUNICATIONS GMBH & CO. KG
To: ENTERPRISE TECHNOLOGIES S.A.R.L.
Reel/Frame 030224/0375 →
Assignment of Assignor's Interest
Apr 17, 2013
From: ENTERPRISE TECHNOLOGIES S.A.R.L.
To: ENTERPRISE SYSTEMS TECHNOLOGIES S.A.R.L.
Reel/Frame 030231/0039 →
Release of Security Interest
Jan 13, 2016
From: WELLS FARGO TRUST CORPORATION LIMITED
To: SIEMENS ENTERPRISE COMMUNICATIONS INC.
Reel/Frame 037472/0736 →
Assignment of Assignor's Interest
Jan 29, 2022
From: UNIFY PATENTE GMBH & CO. KG
To: RINGCENTRAL IP HOLDINGS, INC.
Reel/Frame 058819/0330 →
Assignment of Assignor's Interest
Jan 30, 2022
From: RINGCENTRAL IP HOLDINGS, INC.
To: RINGCENTRAL, INC.
Reel/Frame 058821/0785 →
Assignment of Assignor's Interest
Apr 11, 2022
From: ENTERPRISE SYSTEM TECHNOLOGIES S.A.R.L.
To: UNIFY PATENTE GMBH & CO. KG
Reel/Frame 059556/0212 →
Assignment of Assignor's Interest
Aug 1, 2022
From: ENTERPRISE SYSTEM TECHNOLOGIES S.A.R.L.
To: UNIFY PATENTE GMBH & CO. KG
Reel/Frame 060685/0391 →