Covered Property (1)

Related Assignments (12)

Other recorded transfers of the patent in this record — the chain of ownership.

Assignment of Assignor's Interest Sep 26, 2002

From: MASON, ANDREW

To: SIEMENS INFORMATION AND COMMUNICATION NETWORKS, INC.

Reel/Frame 013329/0036 →

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 →

Confidential Patent Agreement Jan 28, 2022

From: UNIFY GMBH & CO. KG

To: UNIFY PATENTE GMBH & CO. KG

Reel/Frame 058892/0250 →

Assignment of Assignor's Interest Jan 29, 2022

From: UNIFY PATENTE GMBH & CO. KG

To: RINGCENTRAL IP HOLDINGS, INC.

Reel/Frame 058819/0187 →

Assignment of Assignor's Interest Jan 30, 2022

From: RINGCENTRAL IP HOLDINGS, INC.

To: RINGCENTRAL, INC.

Reel/Frame 058821/0674 →

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 →

Security Interest Feb 14, 2023

From: RINGCENTRAL, INC.

To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT

Reel/Frame 062973/0194 →