IP Library › Assignment 051933/0840
Patent Assignment
Reel/Frame 051933/0840

Assignment of Assignor's Interest

Recorded: 2020-02-26 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: 16/800,807 →
Publication: US 2020/0252425
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 26, 2020
From: DONAHUE, THOMAS P.
To: LEVEL 3 COMMUNICATIONS, LLC
Reel/Frame 051933/0828 →
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 →