Patent Assignment
Reel/Frame 020006/0364
Assignment of Assignor's Interest
Recorded: 2007-10-24
Pages: 5
Assignor
KIRSCH, STEVEN T
Executed: 2007-10-23
Assignee
PROPEL SOFTWARE CORPORATION
1010 RINCON CIRCLE, SAN JOSE, CALIFORNIA, 95131
Covered Property
(1)
Method for Creating a Whitelist for Processing E-Mails
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 13, 2003
From: MURRAY, DAVID J.
To: PROPEL SOFTWARE CORPORATION
Reel/Frame 014695/0170 →
Assignment of Assignor's Interest
Dec 2, 2007
From: PROPEL SOFTWARE CORPORATION
To: ABACA TECHNOLOGY CORPORATION
Reel/Frame 020174/0649 →
Assignment of Assignor's Interest
Nov 29, 2013
From: ABACA TECHNOLOGY CORPORATION
To: PROOFPOINT, INC.
Reel/Frame 031692/0233 →
First Lien Intellectual Property Security Agreement
Aug 31, 2021
From: PROOFPOINT, INC.
To: GOLDMAN SACHS BANK USA, AS COLLATERAL AGENT
Reel/Frame 057389/0615 →
Second Lien Intellectual Property Security Agreement
Aug 31, 2021
From: PROOFPOINT, INC.
To: GOLDMAN SACHS BANK USA, AS COLLATERAL AGENT
Reel/Frame 057389/0642 →
Release of Second Lien Security Interest in Intellectual Property
Mar 21, 2024
From: GOLDMAN SACHS BANK USA, AS AGENT
To: PROOFPOINT, INC.
Reel/Frame 066865/0648 →
Second Lien Intellectual Property Security Agreement
Dec 8, 2025
From: PROOFPOINT, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 073889/0677 →