Covered Properties (2)

Related Assignments (11)

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

Assignment of Assignor's Interest Mar 11, 2005

From: HINCHCLIFF, HEIDI A.; LUNDE, CHRISTOPHER T.

To: PRAIRIE SYSTEMS, INC.

Reel/Frame 015763/0683 →

Assignment of Assignor's Interest Jul 11, 2007

From: LAKE, JOSEPH E., JR.; ULRICH, DAN; NELSON, BRIAN

To: PRAIRIE VOICE SERVICES

Reel/Frame 019543/0707 →

Change of Name Oct 25, 2007

From: PRAIRIE VOICE SERVICES, INC.

To: PRAIRIE INTERACTIVE MESSAGING, INC.

Reel/Frame 020014/0778 →

Security Agreement Nov 14, 2007

From: PRAIRIE INTERACTIVE MESSAGING, INC.

To: WELLS FARGO BANK, NATIONAL ASSOCIATION

Reel/Frame 020113/0835 →

Change of Name Aug 17, 2009

From: PRAIRIE INTERACTIVE MESSAGING, INC.

To: CSG INTERACTIVE MESSAGING, INC.

Reel/Frame 023109/0196 →

Change of Name Feb 21, 2018

From: PRAIRIE SYSTEMS, INC.

To: PRAIRIE VOICE SERVICES, INC.

Reel/Frame 045402/0951 →

Patent Security Agreement Mar 6, 2018

From: CSG INTERACTIVE MESSAGING, INC.

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

Reel/Frame 045505/0093 →

Merger Jun 26, 2020

From: CSG INTERACTIVE MESSAGING, INC.

To: CSG SYSTEMS, INC.

Reel/Frame 053050/0269 →

Patent Security Agreement Mar 17, 2025

From: CSG SYSTEMS, INC.; INTEC BILLING, LLC

To: ROYAL BANK OF CANADA, AS COLLATERAL AGENT

Reel/Frame 070529/0981 →

Release of Security Interest Mar 18, 2025

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

To: CSG SYSTEMS, INC. (SUCCESSOR-BY-MERGER TO CSG INTERACTIVE MESSAGING, INC.)

Reel/Frame 070541/0056 →

Release of Security Interest in Patents, Recorded on March 17, 2025 at Reel 070529 Frame 0981 May 19, 2026

From: ROYAL BANK OF CANADA, AS COLLATERAL AGENT

To: CSG SYSTEMS, INC.; INTEC BILLING, LLC

Reel/Frame 075588/0682 →