Patent Assignment
Reel/Frame 051965/0807
Assignment of Assignor's Interest
Recorded: 2020-02-18
Pages: 28
Assignors
SUNDSTROM, DAIN SIDNEY
Executed: 2010-09-08
PHILLIPS, DAVID ANDREW
Executed: 2011-07-12
TRAVERSO, MARTIN
Executed: 2009-04-01
Assignee
PROOFPOINT, INC.
892 ROSS DRIVE, SUNNYVALE, CALIFORNIA, 94089
Covered Property
(1)
DYNAMICALLY DETECTING ABNORMALITIES IN OTHERWISE LEGITIMATE EMAILS CONTAINING UNIFORM RESOURCE LOCATORS (URLs)
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 18, 2020
From: CHAMBERS, CHARLES WADE; HAGAR, DAVID ERIC; KENT, MARK EROL
To: PROOFPOINT, INC.
Reel/Frame 051851/0104 →
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 →