Patent Assignment
Reel/Frame 043560/0271
Assignment of Assignor's Interest
Recorded: 2017-09-12
Pages: 14
Assignor
VERISIGN, INC.
Executed: 2010-08-11
Assignee
SYMANTEC CORPORATION
350 ELLIS STREET, MOUNTAIN VIEW, CALIFORNIA, 94043
Covered Properties
(5)
Local Hosting of Digital Certificate Services
Patent:
6,564,320 →
Application:
09/107,331 →
Digital Certificate Cross-Referencing
Patent:
6,615,347 →
Application:
09/107,655 →
Risk Management for Public Key Management Infrastructure Using Digital Certificates
Patent:
6,324,645 →
Application:
09/132,289 →
Secure Mapping and Aliasing of Private Keys Used in Public Key Cryptography
Patent:
6,553,493 →
Application:
09/298,688 →
Method and System of Securely Escrowing Private Keys in a Public Key Infrastructure
Related Assignments
(12)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 6, 2004
From: ANDREWS, RICHARD F.; HUANG, ZHIYONG; RUAN, TOM QI XIONG
To: VERISIGN, INC.
Reel/Frame 015863/0278 →
Assignment of Assignor's Interest
Dec 14, 2010
From: VERISIGN, INC.
To: SYMANTEC CORPORATION
Reel/Frame 025499/0882 →
Assignment of Assignor's Interest
Oct 31, 2017
From: SYMANTEC CORPORATION
To: DIGICERT, INC.
Reel/Frame 044344/0650 →
Second Lien Patent Security Agreement
Nov 3, 2017
From: DIGICERT, INC.
To: UBS AG, STAMFORD BRANCH, AS COLLATERAL AGENT
Reel/Frame 044710/0529 →
First Lien Patent Security Agreement
Nov 3, 2017
From: DIGICERT, INC.
To: UBS AG, STAMFORD BRANCH, AS COLLATERAL AGENT
Reel/Frame 044681/0556 →
Second Lien Intellectual Property Security Agreement
Oct 16, 2019
From: DIGICERT, INC.
To: JEFFERIES FINANCE LLC, AS COLLATERAL AGENT
Reel/Frame 050741/0899 →
First Lien Intellectual Property Security Agreement
Oct 16, 2019
From: DIGICERT, INC.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 050741/0918 →
Release of Second Lien Security Interest in Patents
Oct 17, 2019
From: UBS AG, STAMFORD BRANCH, AS COLLATERAL AGENT
To: DIGICERT, INC.; GEOTRUST, LLC
Reel/Frame 050747/0001 →
Release of First Lien Security Interest in Patents
Oct 17, 2019
From: UBS AG, STAMFORD BRANCH, AS COLLATERAL AGENT
To: DIGICERT, INC.; GEOTRUST, LLC
Reel/Frame 050746/0973 →
Assignment of Intellectual Property Security Agreement
Feb 19, 2021
From: JEFFERIES FINANCE LLC, AS EXISTING AGENT
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS SUCCESSOR AGENT
Reel/Frame 055345/0042 →
Second Lien Notice of Succession of Agency
Jul 30, 2025
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS PRIOR AGENT
To: UBS AG, STAMFORD BRANCH, AS SUCCESSOR AGENT
Reel/Frame 072300/0068 →
Assignment of Security Interests in Intellectual Property (First Lien), Recorded on October 16, 2019 at Reel 050741 Frame 0918
Sep 24, 2025
From: UBS AG, STAMFORD BRANCH, AS SUCCESSOR TO CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS RESIGNING AGENT
To: HPS INVESTMENT PARTNERS, LLC, AS SUCCESSOR AGENT
Reel/Frame 072947/0157 →