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Reel/Frame:	050969/0001			Pages:	93
		Recorded:	11/08/2019
Attorney Dkt #:	150022-17-PSA-CIENA-BOA
Conveyance:	PATENT SECURITY AGREEMENT

Total properties: 1599
Page 7 of 16
Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Patent #:	6915076	Issue Dt:	07/05/2005	Application #:	09855319	Filing Dt:	05/14/2001
Title:	SYSTEM AND METHOD FOR ADAPTIVELY SELECTING A SIGNAL THRESHOLD OF AN OPTICAL LINK

Patent #:	6839858	Issue Dt:	01/04/2005	Application #:	09855822	Filing Dt:	05/14/2001
Title:	DECENTRALIZED SYNCHRONIZATION AMONG LOCAL TIMING CIRCUITS WITHIN DIRECTL COUPLED TRANSPORT LOGIC IN A NETWORK ELEMENT

Patent #:	7167442	Issue Dt:	01/23/2007	Application #:	09862864	Filing Dt:	05/22/2001
Publication #:	US20020176432	Pub Dt:	11/28/2002
Title:	HITLESS PROTECTION SWITCHING

Patent #:	6624928	Issue Dt:	09/23/2003	Application #:	09864843	Filing Dt:	05/24/2001
Title:	RAMAN AMPLIFICATION

Patent #:	6714701	Issue Dt:	03/30/2004	Application #:	09867176	Filing Dt:	05/29/2001
Title:	OPTICAL SWITCH USING MICROMIRRORS AND METHOD OF TESTING THE SAME

Patent #:	6660990	Issue Dt:	12/09/2003	Application #:	09870634	Filing Dt:	06/01/2001
Publication #:	US20030042402	Pub Dt:	03/06/2003
Title:	OPTICAL AMPLIFICATION AND RECEIVING SYSTEM AND METHOD

Patent #:	6539016	Issue Dt:	03/25/2003	Application #:	09872259	Filing Dt:	06/12/2001
Publication #:	US20020015410	Pub Dt:	02/07/2002
Title:	SYSTEM AND METHOD FOR IMPROVING COMPRESSION ON A TELEPHONE LOOP

Patent #:	6873623	Issue Dt:	03/29/2005	Application #:	09872771	Filing Dt:	06/01/2001
Publication #:	US20020101823	Pub Dt:	08/01/2002
Title:	SYSTEM AND METHOD FOR OVERLAYING DSL ACCESS MULTIPLEXER ONTO EXISTING ACCESS SYSTEMS

Patent #:	6697187	Issue Dt:	02/24/2004	Application #:	09873389	Filing Dt:	06/05/2001
Publication #:	US20020181074	Pub Dt:	12/05/2002
Title:	METHOD AND APPARATUS FOR RAMAN AMPLIFIER GAIN CONTROL

Patent #:	7245582	Issue Dt:	07/17/2007	Application #:	09875154	Filing Dt:	06/07/2001
Title:	PROTECTION SWITCHING IN A MULTI-STAGE SWITCH FABRIC

Patent #:	6885822	Issue Dt:	04/26/2005	Application #:	09875243	Filing Dt:	06/05/2001
Title:	WAVELENGTH AND FILTER ARRANGEMENT FOR WDM NETWORKS

Patent #:	6975657	Issue Dt:	12/13/2005	Application #:	09887685	Filing Dt:	09/21/2000
Title:	SYSTEM AND METHOD FOR GENERATION OF LARGE CONCATENATED PAYLOADS

Patent #:	7027731	Issue Dt:	04/11/2006	Application #:	09892569	Filing Dt:	06/28/2001
Title:	USER-CONSTRAINED OPTICAL ROUTE FLOODING SYSTEM AND METHOD

Patent #:	6512377	Issue Dt:	01/28/2003	Application #:	09893747	Filing Dt:	06/29/2001
Title:	METHOD AND APPARATUS FOR EXTRACTION OF VIA PARASITICS

Patent #:	6999470	Issue Dt:	02/14/2006	Application #:	09894612	Filing Dt:	06/28/2001
Publication #:	US20030007519	Pub Dt:	01/09/2003
Title:	METHODS AND APPARATUS FOR TRANSMITTING SYNCHRONOUS DATA

Patent #:	6898702	Issue Dt:	05/24/2005	Application #:	09895342	Filing Dt:	06/29/2001
Title:	SYSTEM AND METHOD FOR STAGGERED STARTING OF EMBEDDED SYSTEM MODULES IN AN OPTICAL NODE

Patent #:	6903864	Issue Dt:	06/07/2005	Application #:	09898472	Filing Dt:	07/03/2001
Title:	METHOD AND APPARATUS FOR AMPLIFICATION OF AN OPTICAL SIGNAL

Patent #:	6961307	Issue Dt:	11/01/2005	Application #:	09900146	Filing Dt:	07/09/2001
Title:	QUEUE MANAGEMENT MECHANISM FOR PROPORTIONAL LOSS RATE DIFFERENTIATION

Patent #:	6522436	Issue Dt:	02/18/2003	Application #:	09901516	Filing Dt:	07/09/2001
Publication #:	US20020036813	Pub Dt:	03/28/2002
Title:	MULTIPLEXED TRANSMISSION OF OPTICAL SIGNALS

Patent #:	6625025	Issue Dt:	09/23/2003	Application #:	09901987	Filing Dt:	07/10/2001
Title:	COMPONENT COOLING IN ELECTRONIC DEVICES

Patent #:	6751189	Issue Dt:	06/15/2004	Application #:	09904623	Filing Dt:	07/13/2001
Title:	VIRTUAL LINE SWITCHED RING (VLSR) CONNECTION STATE DISTRIBUTION SCHEME

Patent #:	6980568	Issue Dt:	12/27/2005	Application #:	09906990	Filing Dt:	07/17/2001
Title:	METHOD AND APPARATUS FOR SYSTEM CLOCK SYNCHRONIZATION

Patent #:	6522546	Issue Dt:	02/18/2003	Application #:	09912022	Filing Dt:	07/24/2001
Title:	UNIVERSAL SUPPORT FRAME

Patent #:	7173978	Issue Dt:	02/06/2007	Application #:	09912068	Filing Dt:	07/23/2001
Publication #:	US20020101915	Pub Dt:	08/01/2002
Title:	METHOD AND SYSTEM FOR TURBO ENCODING IN ADSL

Patent #:	6487358	Issue Dt:	11/26/2002	Application #:	09915405	Filing Dt:	07/27/2001
Title:	BLANK MODULE WITH CONDUIT RETAINER

Patent #:	6975955	Issue Dt:	12/13/2005	Application #:	09915971	Filing Dt:	07/26/2001
Title:	METHOD AND SYSTEM FOR MANAGING MANUFACTURING TEST STATIONS

Patent #:	7002907	Issue Dt:	02/21/2006	Application #:	09915972	Filing Dt:	07/26/2001
Title:	SYSTEM AND METHODS FOR AUTOMATIC EQUIPMENT PROVISIONING FOR SONET NETWORKS

Patent #:	6525870	Issue Dt:	02/25/2003	Application #:	09916075	Filing Dt:	07/26/2001
Title:	METHOD AND SYSTEM FOR CONTROLLING RAMAN GAIN FLATNESS SENSITIVITY TO PUMP LASER WAVELENGTH VARIATION

Patent #:	7058012	Issue Dt:	06/06/2006	Application #:	09916076	Filing Dt:	07/26/2001
Title:	SYSTEMS AND METHODS FOR AUTOMATIC END-TO-END PATH PROVISIONING FOR SONET NETWORKS

Patent #:	7170851	Issue Dt:	01/30/2007	Application #:	09916080	Filing Dt:	07/26/2001
Title:	SYSTEMS AND METHODS FOR AUTOMATIC TOPOLOGY PROVISIONING FOR SONET NETWORKS

Patent #:	6730993	Issue Dt:	05/04/2004	Application #:	09916172	Filing Dt:	07/26/2001
Title:	LASER DIODE AND HEATSINK QUICK CONNECT/DISCONNECT ASSEMBLY

Patent #:	6868216	Issue Dt:	03/15/2005	Application #:	09916364	Filing Dt:	07/27/2001
Title:	FIBER OPTIC CABLE MANAGEMENT SYSTEM

Patent #:	6877117	Issue Dt:	04/05/2005	Application #:	09916367	Filing Dt:	07/27/2001
Title:	OPTICAL SIGNAL RECEIVER AND METHOD WITH DECISION THRESHOLD ADJUSTMENT BASED ON A RELATIVE PERCENTAGE ERROR INDICATOR

Patent #:	6910267	Issue Dt:	06/28/2005	Application #:	09916373	Filing Dt:	07/27/2001
Title:	APPARATUS FOR TELECOMMUNICATIONS EQUIPMENT

Patent #:	6614589	Issue Dt:	09/02/2003	Application #:	09916859	Filing Dt:	07/27/2001
Publication #:	US20020186459	Pub Dt:	12/12/2002
Title:	METHOD AND SYSTEM FOR CONTROLLING AMPLIFIER POWER IN AN OPTICAL COMMUNICATIONS NETWORK

Patent #:	6885828	Issue Dt:	04/26/2005	Application #:	09916867	Filing Dt:	07/27/2001
Title:	OPTICAL SIGNAL RECEIVER AND METHOD WITH DECISION THRESHOLD ADJUSTMENT BASED ON A TOTAL PERCENTAGE ERROR INDICATOR FIELD OF THE INVENTION

Patent #:	6674951	Issue Dt:	01/06/2004	Application #:	09916980	Filing Dt:	07/27/2001
Title:	OPTICAL FIBER MANAGEMENT SYSTEM AND METHOD AND FIBER BENDER THEREOF

Patent #:	6519814	Issue Dt:	02/18/2003	Application #:	09917041	Filing Dt:	07/27/2001
Title:	GLASS FIBER WRAP

Patent #:	6600596	Issue Dt:	07/29/2003	Application #:	09917042	Filing Dt:	07/27/2001
Publication #:	US20030025990	Pub Dt:	02/06/2003
Title:	METHOD AND SYSTEM FOR CONTROLLING AMPLIFIER POWER IN AN OPTICAL COMMUNICATIONS NETWORK HAVING ADD/DROP CAPABILITY

Patent #:	6559985	Issue Dt:	05/06/2003	Application #:	09917043	Filing Dt:	07/27/2001
Title:	METHOD AND SYSTEM FOR DETERMINING CHANNEL POWER IN AN OPTICAL COMMUNICATIONS NETWORK

Patent #:	7536197	Issue Dt:	05/19/2009	Application #:	09919574	Filing Dt:	07/30/2001
Publication #:	US20020072386	Pub Dt:	06/13/2002
Title:	APPARATUS AND METHOD OF LOOP AND RATE DEPENDENT POWER CUTBACK

Patent #:	7126908	Issue Dt:	10/24/2006	Application #:	09919779	Filing Dt:	07/31/2001
Title:	METHOD OF PROTECTING AS AGAINST SPAN FAILURES IN A COMMUNICATION NETWORK

Patent #:	7706687	Issue Dt:	04/27/2010	Application #:	09930095	Filing Dt:	08/15/2001
Title:	AUTOMATIC PROVISIONING OF NETWORK SERVICES BASED ON USER APPLICATION REQUIREMENTS

Patent #:	7840692	Issue Dt:	11/23/2010	Application #:	09930097	Filing Dt:	08/15/2001
Title:	SYSTEM, DEVICE, AND METHOD FOR BANDWIDTH MANAGEMENT IN AN OPTICAL COMMUNICATION SYSTEM

Patent #:	7849225	Issue Dt:	12/07/2010	Application #:	09930119	Filing Dt:	08/15/2001
Publication #:	US20030212829	Pub Dt:	11/13/2003
Title:	SYSTEM, DEVICE, AND METHOD FOR MANAGING COMMUNICATION SERVICES IN AN OPTICAL COMMUNICATION SYSTEM

Patent #:	6671178	Issue Dt:	12/30/2003	Application #:	09930808	Filing Dt:	08/16/2001
Publication #:	US20020131241	Pub Dt:	09/19/2002
Title:	MODULE HOUSING APPARATUS

Patent #:	6701087	Issue Dt:	03/02/2004	Application #:	09930879	Filing Dt:	08/15/2001
Publication #:	US20020080438	Pub Dt:	06/27/2002
Title:	OPTICAL POWER MANAGEMENT IN AN OPTICAL NETWORK

Patent #:	7321932	Issue Dt:	01/22/2008	Application #:	09931645	Filing Dt:	08/15/2001
Title:	SYSTEM, DEVICE, AND METHOD FOR MANAGING CONNECTION ESTABLISHMENT AND RELATED SERVICES IN AN OPTICAL COMMUNICATION SYSTEM

Patent #:	6516106	Issue Dt:	02/04/2003	Application #:	09933338	Filing Dt:	08/20/2001
Publication #:	US20020141683	Pub Dt:	10/03/2002
Title:	SUBTRACTING ANALOG NOISE FROM AN OPTICAL COMMUNICATION CHANNEL USING STABLE, NON-ABSORBING OPTICAL HARD LIMITERS

Patent #:	7110396	Issue Dt:	09/19/2006	Application #:	09933991	Filing Dt:	08/20/2001
Publication #:	US20030055998	Pub Dt:	03/20/2003
Title:	SYSTEM FOR TRANSPORTING SUB-RATE DATA OVER A COMMUNICATION NETWORK

Patent #:	6570762	Issue Dt:	05/27/2003	Application #:	09935586	Filing Dt:	08/24/2001
Publication #:	US20020051532	Pub Dt:	05/02/2002
Title:	TELECOMMUNICATIONS SYSTEM

Patent #:	6632028	Issue Dt:	10/14/2003	Application #:	09938389	Filing Dt:	08/24/2001
Title:	APPARATUS AND METHOD FOR ALIGNING AN OPTICAL FIBER WITH AN OPTICAL DEVICE

Patent #:	6636679	Issue Dt:	10/21/2003	Application #:	09938390	Filing Dt:	08/24/2001
Title:	FIBER OPTIC CABLE SADDLE

Patent #:	7633858	Issue Dt:	12/15/2009	Application #:	09950288	Filing Dt:	09/10/2001
Publication #:	US20030048748	Pub Dt:	03/13/2003
Title:	PROVIDING EMBEDDED PROTECTION IN A NETWORK CROSS-CONNECT DEVICE FOR SONET NETWORKS

Patent #:	7139247	Issue Dt:	11/21/2006	Application #:	09952321	Filing Dt:	09/13/2001
Publication #:	US20020075814	Pub Dt:	06/20/2002
Title:	BROADBAND SYSTEM WITH TOPOLOGY DISCOVERY

Patent #:	7146630	Issue Dt:	12/05/2006	Application #:	09952374	Filing Dt:	09/13/2001
Publication #:	US20020078464	Pub Dt:	06/20/2002
Title:	BROADBAND SYSTEM WITH INTELLIGENT NETWORK DEVICES

Patent #:	6948000	Issue Dt:	09/20/2005	Application #:	09952480	Filing Dt:	09/13/2001
Publication #:	US20020138854	Pub Dt:	09/26/2002
Title:	SYSTEM AND METHOD FOR MAPPING END USER IDENTIFIERS TO ACCESS DEVICE IDENTIFIERS

Patent #:	7027394	Issue Dt:	04/11/2006	Application #:	09952481	Filing Dt:	09/13/2001
Publication #:	US20020101820	Pub Dt:	08/01/2002
Title:	BROADBAND SYSTEM WITH TRAFFIC POLICING AND TRANSMISSION SCHEDULING

Patent #:	7072360	Issue Dt:	07/04/2006	Application #:	09952482	Filing Dt:	09/13/2001
Publication #:	US20040019876	Pub Dt:	01/29/2004
Title:	NETWORK ARCHITECTURE FOR INTELLIGENT NETWORK ELEMENTS

Patent #:	7127180	Issue Dt:	10/24/2006	Application #:	09952828	Filing Dt:	09/14/2001
Title:	SYSTEM, DEVICE, AND METHOD FOR SUPPORTING CUT-THROUGH PATHS IN AN OPTICAL COMMUNICATION SYSTEM

Patent #:	7180913	Issue Dt:	02/20/2007	Application #:	09961297	Filing Dt:	09/25/2001
Publication #:	US20030025960	Pub Dt:	02/06/2003
Title:	TRANSPARENT ERROR COUNT TRANSFER METHOD AND APPARATUS

Patent #:	7058297	Issue Dt:	06/06/2006	Application #:	09965107	Filing Dt:	09/25/2001
Title:	DISTRIBUTED PROCESSOR MODULES AND PERSISTENT STORAGE IN AN OPTICAL NETWORK

Patent #:	6952529	Issue Dt:	10/04/2005	Application #:	09967696	Filing Dt:	09/28/2001
Title:	SYSTEM AND METHOD FOR MONITORING OSNR IN AN OPTICAL NETWORK

Patent #:	6671645	Issue Dt:	12/30/2003	Application #:	09968277	Filing Dt:	09/28/2001
Publication #:	US20030065470	Pub Dt:	04/03/2003
Title:	METHOD FOR IN-SERVICE RAM TESTING

Patent #:	6999686	Issue Dt:	02/14/2006	Application #:	09969720	Filing Dt:	10/01/2001
Title:	WAVELENGTH MANAGEMENT IN AN OPTICAL NETWORK

Patent #:	7023942	Issue Dt:	04/04/2006	Application #:	09972686	Filing Dt:	10/09/2001
Title:	METHOD AND APPARATUS FOR DIGITAL DATA SYNCHRONIZATION

Patent #:	7606487	Issue Dt:	10/20/2009	Application #:	09973650	Filing Dt:	10/09/2001
Title:	DISTORTION MEASUREMENT IN OPTICAL COMMUNICATION SYSTEMS

Patent #:	6996342	Issue Dt:	02/07/2006	Application #:	09974907	Filing Dt:	10/12/2001
Publication #:	US20030011844	Pub Dt:	01/16/2003
Title:	CONTROL SYSTEM FOR AN AGILE OPTICAL NETWORK

Patent #:	6556744	Issue Dt:	04/29/2003	Application #:	09975014	Filing Dt:	10/12/2001
Title:	REDUCTION OF DISPERSION EFFECTS IN OPTICAL TRANSMISSION FIBRE SYSTEMS

Patent #:	6950830	Issue Dt:	09/27/2005	Application #:	09975686	Filing Dt:	10/11/2001
Publication #:	US20020107581	Pub Dt:	08/08/2002
Title:	STRESS-TEST INFORMATION DATABASE STRUCTURE AND METHOD OF USE

Patent #:	6766267	Issue Dt:	07/20/2004	Application #:	09975722	Filing Dt:	10/11/2001
Publication #:	US20020105355	Pub Dt:	08/08/2002
Title:	AUTOMATED MONITORING SYSTEM, VIRTUAL OVEN AND METHOD FOR STRESS TESTING LOGICALLY GROUPED MODULES

Patent #:	6795607	Issue Dt:	09/21/2004	Application #:	09975728	Filing Dt:	10/11/2001
Title:	WDM SYSTEM WITH PERFORMANCE MONITORING

Patent #:	6842283	Issue Dt:	01/11/2005	Application #:	09975830	Filing Dt:	10/12/2001
Publication #:	US20030076588	Pub Dt:	04/24/2003
Title:	GENERATION OF VARIABLE DIFFERENTIAL GROUP DELAY

Patent #:	6489812	Issue Dt:	12/03/2002	Application #:	09975965	Filing Dt:	10/15/2001
Title:	TEMPERATURE-COMPENSATED SMALL SIGNAL PEAK DETECTOR

Patent #:	7305183	Issue Dt:	12/04/2007	Application #:	09975985	Filing Dt:	10/15/2001
Publication #:	US20030039005	Pub Dt:	02/27/2003
Title:	MEASUREMENT OF POLARIZATION DEPENDENT LOSS IN AN OPTICAL TRANSMISSION SYSTEM

Patent #:	7353288	Issue Dt:	04/01/2008	Application #:	09978927	Filing Dt:	10/17/2001
Title:	SONET/SDH PAYLOAD RE-MAPPING AND CROSS-CONNECT

Patent #:	7944941	Issue Dt:	05/17/2011	Application #:	09979983	Filing Dt:	11/08/2004
Title:	HIGH SPEED ETHERNET BASED ON SONET TECHNOLOGY

Patent #:	6563696	Issue Dt:	05/13/2003	Application #:	09981050	Filing Dt:	10/17/2001
Title:	SOLDERLESS LASER ASSEMBLY

Patent #:	7012934	Issue Dt:	03/14/2006	Application #:	09984858	Filing Dt:	10/31/2001
Title:	METHOD AND APPARATUS FOR DETECTING A NETWORK TIMING LOOP

Patent #:	6859865	Issue Dt:	02/22/2005	Application #:	09986548	Filing Dt:	11/09/2001
Publication #:	US20030093638	Pub Dt:	05/15/2003
Title:	SYSTEM AND METHOD FOR REMOVING LATENCY EFFECTS IN ACKNOWLEDGED DATA TRANSFERS

Patent #:	7143161	Issue Dt:	11/28/2006	Application #:	09987788	Filing Dt:	11/16/2001
Publication #:	US20030097472	Pub Dt:	05/22/2003
Title:	TANDEM CONNECTION MONITORING PARALLEL PROCESSING

Patent #:	6538808	Issue Dt:	03/25/2003	Application #:	09990713	Filing Dt:	11/21/2001
Title:	SEMICONDUCTOR OPTICAL AMPLIFIER

Patent #:	7197031	Issue Dt:	03/27/2007	Application #:	09992410	Filing Dt:	11/26/2001
Publication #:	US20030099231	Pub Dt:	05/29/2003
Title:	CROSS-CONNECTION OF HIGH BANDWIDTH SIGNAL TRAFFIC ACROSS INDEPENDENT PARALLEL SHELVES

Patent #:	6522811	Issue Dt:	02/18/2003	Application #:	09993822	Filing Dt:	11/06/2001
Title:	ARRAYED WAVEGUIDE GRATING

Patent #:	6757114	Issue Dt:	06/29/2004	Application #:	09999530	Filing Dt:	10/31/2001
Title:	OPTICAL FILTER ALIGNER/SEPARATOR AND SYSTEM USING THE SAME

Patent #:	6880239	Issue Dt:	04/19/2005	Application #:	10002086	Filing Dt:	11/01/2001
Title:	IN-SERVICE FIELD PIN RETROFIT TOOL KIT FOR TELECOMMUNICATIONS EQUIPMENT

Patent #:	6676307	Issue Dt:	01/13/2004	Application #:	10002345	Filing Dt:	10/25/2001
Title:	METHOD AND SYSTEM FOR CONTROLLING SPLICE ATTENUATION

Patent #:	6795632	Issue Dt:	09/21/2004	Application #:	10002472	Filing Dt:	11/02/2001
Title:	SLACK MANAGER FOR FIBER OPTIC CABLES AND METHOD OF MANAGING SLACK IN SAME

Patent #:	6671447	Issue Dt:	12/30/2003	Application #:	10002492	Filing Dt:	11/02/2001
Title:	OPTICAL FIBER ORGANIZER

Patent #:	6628725	Issue Dt:	09/30/2003	Application #:	10002739	Filing Dt:	11/02/2001
Title:	METHOD AND SYSTEM FOR ENCODING DATA FOR TRANSMISSION OVER A SERIAL LINK

Patent #:	6721089	Issue Dt:	04/13/2004	Application #:	10002928	Filing Dt:	11/04/2001
Title:	METHOD AND APPARATUS FOR EXPANDING THE DYNAMIC RANGE OF OPTICAL AMPLIFIERS

Patent #:	6807523	Issue Dt:	10/19/2004	Application #:	10003074	Filing Dt:	10/31/2001
Title:	METHOD AND APPARATUS FOR EMULATING THE OPTICAL BEHAVIOR OF OPTICAL COMMUNICATION SYSTEMS

Patent #:	7356529	Issue Dt:	04/08/2008	Application #:	10003186	Filing Dt:	10/29/2001
Title:	MECHANISM FOR FACILITATING SUBSCRIPTION IN A PUBLISH/SUBSCRIBE COMMUNICATION SYSTEM

Patent #:	7254616	Issue Dt:	08/07/2007	Application #:	10003189	Filing Dt:	10/29/2001
Title:	RELIABLE COMMUNICATION MECHANISM WITH "AT MOST ONCE" DELIVERY GUARANTEE

Patent #:	7110406	Issue Dt:	09/19/2006	Application #:	10003193	Filing Dt:	10/29/2001
Title:	MECHANISM FOR FACILITATING BROADCAST IN A COMMUNICATION SYSTEM

Patent #:	6675458	Issue Dt:	01/13/2004	Application #:	10003863	Filing Dt:	11/02/2001
Title:	FIBER OPTIC CABLE STRIPPING AND MEASUREMENT APPARATUS

Patent #:	7020796	Issue Dt:	03/28/2006	Application #:	10004180	Filing Dt:	10/29/2001
Title:	HIGH AVAILABILITY COMMUNICATION SYSTEM

Patent #:	7054554	Issue Dt:	05/30/2006	Application #:	10005433	Filing Dt:	11/02/2001
Title:	METHOD AND SYSTEM FOR DETECTING NETWORK ELEMENTS IN AN OPTICAL COMMUNICATIONS NETWORK

Patent #:	7124368	Issue Dt:	10/17/2006	Application #:	10005507	Filing Dt:	11/07/2001
Title:	SYSTEM AND METHOD FOR DISPLAYING USAGE INFORMATION IN A DATA NETWORK

100

Patent #:	6810496	Issue Dt:	10/26/2004	Application #:	10005716	Filing Dt:	11/07/2001
Title:	SYSTEM AND METHOD FOR TROUBLESHOOTING A NETWORK

Assignor

CIENA CORPORATION

Exec Dt:

10/28/2019

Assignee

BANK OF AMERICA, N.A., AS COLLATERAL AGENT

135 S. LASALLE STREET

CHICAGO, ILLINOIS 60603

Correspondence name and address
	WINSTON & STRAWN LLP - LAURA FRANCO
	101 CALIFORNIA STREET
	SAN FRANCISCO, CA 94111-5840

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