Patent Assignment
Reel/Frame 069121/0267
Assignment of Assignor's Interest
Recorded: 2024-11-04
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
Application:
18/935,843 →
Publication:
US 2025/0063020
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
Intellectual Property Agreement Supplement
Dec 9, 2025
From: PROOFPOINT, INC.
To: GOLDMAN SACHS BANK USA, AS COLLATERAL AGENT
Reel/Frame 073910/0027 →