Patent Assignment
Reel/Frame 012907/0939
Assignment of Assignor's Interest
Recorded: 2002-05-13
Pages: 3
Assignor
BULBUL, ZEKI B.
Executed: 2002-04-18
Assignee
CIENA CORPORATION
LEGAL DEPARTMENT, 1201 WINTERSON ROAD, LINTHICUM, MARYLAND, 21090
Covered Property
(1)
Method and System for Communicating Network Topology in an Optical Communications Network
Patent:
7,099,580 →
Application:
10/007,212 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Jul 15, 2014
From: CIENA CORPORATION
To: DEUTSCHE BANK AG NEW YORK BRANCH
Reel/Frame 033329/0417 →
Patent Security Agreement
Jul 16, 2014
From: CIENA CORPORATION
To: BANK OF AMERICA, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 033347/0260 →
Release of Security Interest
Oct 30, 2019
From: DEUTSCHE BANK AG NEW YORK BRANCH
To: CIENA CORPORATION
Reel/Frame 050938/0389 →
Patent Security Agreement
Nov 8, 2019
From: CIENA CORPORATION
To: BANK OF AMERICA, N.A., AS COLLATERAL AGENT
Reel/Frame 050969/0001 →
Release of Security Interest
Nov 20, 2023
From: BANK OF AMERICA, N.A.
To: CIENA CORPORATION
Reel/Frame 065630/0232 →