Patent Assignment
Reel/Frame 049915/0942
Assignment of Assignor's Interest
Recorded: 2019-07-31
Pages: 3
Assignors
CHANG, HUNG-JEN
Executed: 2019-07-25
MESDAQ, ALI
Executed: 2019-07-25
DALAL, GAURAV MITESH
Executed: 2019-07-25
Assignee
PROOFPOINT, INC.
892 ROSS DRIVE, SUNNYVALE, CALIFORNIA, 94089
Covered Property
(1)
Intelligent Clustering Systems and Methods Useful for Domain Protection
Patent:
11,636,161 →
Application:
16/513,519 →
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 →