Patent Assignment
Reel/Frame 032812/0335
Assignment of Assignor's Interest
Recorded: 2014-05-02
Pages: 4
Assignor
PERFTECH (PTI) CANADA CORP.
Executed: 2014-04-30
Assignee
SONUS NETWORKS, INC.
4 TECHNOLOGY PARK DRIVE, WESTFORD, MASSACHUSETTS, 01886
Covered Property
(1)
Method and Apparatus for Distributed Mtp Level 2 Architecture
Patent:
6,687,251 →
Application:
09/456,560 →
Related Assignments
(11)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Sep 12, 2014
From: SONUS NETWORKS, INC.; SONUS FEDERAL, INC.; NETWORK EQUIPMENT TECHNOLOGIES, INC.; PERFORMANCE TECHNOLOGIES, INCORPORATED
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 033728/0409 →
Release and Reassignment of Patents
Jul 7, 2016
From: COMERICA BANK, AS AGENT
To: GENBAND US LLC
Reel/Frame 039280/0467 →
Release of Security Interest
Oct 24, 2017
From: BANK OF AMERICA, N.A.
To: SONUS NETWORKS, INC.; SONUS FEDERAL, INC.; NETWORK EQUIPMENT TECHNOLOGIES, INC.; PERFORMANCE TECHNOLOGIES, INCORPORATED
Reel/Frame 044283/0361 →
Merger and Change of Name
Dec 24, 2017
From: SOLSTICE SAPPHIRE, INC.; SONUS NETWORKS, INC.; SONUS NETWORKS, INC.
To: SONUS, INC.
Reel/Frame 044957/0243 →
Change of Name
Dec 24, 2017
From: SONUS, INC.
To: SONUS NETWORKS, INC.
Reel/Frame 044957/0213 →
Security Interest
Jan 2, 2018
From: GENBAND US LLC; SONUS NETWORKS, INC.
To: SILICON VALLEY BANK, AS ADMINISTRATIVE AGENT
Reel/Frame 044978/0801 →
Change of Name
Jan 16, 2019
From: SONUS NETWORKS, INC.
To: RIBBON COMMUNICATIONS OPERATING COMPANY, INC.
Reel/Frame 048078/0036 →
Security Interest
Mar 3, 2020
From: RIBBON COMMUNICATIONS OPERATING COMPANY, INC.
To: CITIZENS BANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 052076/0905 →
Merger
Jul 15, 2020
From: GENBAND US LLC
To: RIBBON COMMUNICATIONS OPERATING COMPANY, INC.
Reel/Frame 053223/0260 →
Termination and Release of Patent Security Agreement at R/F 044978/0801
Dec 6, 2021
From: SILICON VALLEY BANK, AS ADMINISTRATIVE AGENT
To: RIBBON COMMUNICATIONS OPERATING COMPANY, INC. (F/K/A GENBAND US LLC AND SONUS NETWORKS, INC.)
Reel/Frame 058949/0497 →
Release of Security Interest
Jun 24, 2024
From: CITIZENS BANK, N.A.
To: RIBBON COMMUNICATIONS OPERATING COMPANY, INC. (F/K/A GENBAND US LLC AND SONUS NETWORKS, INC.)
Reel/Frame 067822/0433 →