Patent Assignment
Reel/Frame 057962/0305
Assignment of Assignor's Interest
Recorded: 2021-10-29
Pages: 4
Assignor
YU, HENRY
Executed: 2016-10-31
Assignee
LEVEL 3 COMMUNICATIONS, LLC
1025 ELDORADO BLVD., BROOMFIELD, COLORADO, 80021
Covered Property
(1)
Systems and Methods for Preventing Denial of Service Attacks Utilizing a Proxy Server
Application:
17/509,566 →
Publication:
US 2022/0046055
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 29, 2021
From: DONAHUE, THOMAS P.
To: LEVEL 3 COMMUNICATIONS, LLC
Reel/Frame 057962/0274 →
Notice of Grant of Security Interest in Intellectual Property (Second Lien)
Nov 4, 2024
From: LEVEL 3 COMMUNICATIONS, LLC; GLOBAL CROSSING TELECOMMUNICATIONS, INC
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 069295/0749 →
Notice of Grant of Security Interest in Intellectual Property (First Lien)
Nov 4, 2024
From: LEVEL 3 COMMUNICATIONS, LLC; GLOBAL CROSSING TELECOMMUNICATIONS, INC.
To: WILMINGTON TRUST, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 069295/0858 →