Patent Assignment
Reel/Frame 057114/0929
Assignment of Assignor's Interest
Recorded: 2021-08-06
Pages: 2
Assignor
LEE, THOMAS
Executed: 2021-05-18
Assignee
PROOFPOINT, INC.
C/O PROOFPOINT, INC., IP LEGAL DEPARTMENT, 925 W MAUDE AVE, SUNNYVALE, CALIFORNIA, 94085
Covered Property
(1)
Detecting and Preventing Transmission of Spam Messages Using Modified Source Numbers
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →