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Patent Assignment Assignor Details

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Assignor Name : CIENA LUXEMBOURG S.A.R.L.

Total Assignments: 9

Assignment: 1

Reel/Frame:	026134/0847			Pages:	25
		Recorded:	04/15/2011
Attorney Dkt #:	102831/00440
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

CIENA LUXEMBOURG S.A.R.L.

Exec Dt:

03/18/2010

Assignee

CIENA CORPORATION

1201 WINTERSON ROAD

LINTHICUM, MARYLAND 21090

Property

Pat #

Pub #

Intl #

App #

8958696

US20110268442

13124443

Correspondence name and address
	BLAKE, CASSELS & GRAYDON LLP
	45 O'CONNOR ST., 20TH FLOOR
	OTTAWA, K1P 1A4 CANADA

Assignment: 2

Reel/Frame:	026446/0506			Pages:	25
		Recorded:	06/15/2011
Attorney Dkt #:	102831/00446
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

CIENA LUXEMBOURG S.A.R.L.

Exec Dt:

03/18/2010

Assignee

CIENA CORPORATION

1201 WINTERSON ROAD

LINTHICUM, MARYLAND 21090

Property

Pat #

Pub #

Intl #

App #

8385747

US20110243573

13160579

Correspondence name and address
	BLAKE, CASSELS & GRAYDON LLP
	45 O'CONNOR STREET, SUITE 2000
	OTTAWA, K1P 1A4 CANADA

Assignment: 3

Reel/Frame:	024252/0060			Pages:	47
		Recorded:	04/19/2010
Attorney Dkt #:	043607-0002
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

CIENA LUXEMBOURG S.A.R.L.

Exec Dt:

03/19/2010

Assignee

CIENA CORPORATION

1201 WINTERSON ROAD

LINTHICUM, MARYLAND 21090

Properties

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6917031	NONE		10778026	7469106	US20050180760		10780430	7660300	US20040184448		10780686
7400589	US20050190704		10787107	7046699	US20040187128		10787200	7145773	US20050190540		10787601
7043130	US20050191023		10787778	7315575	US20050196176		10793801	7239515	US20050195571		10795496
7292653	US20050201492		10796152	7359324	NONE		10796321	7970006	NONE		10797271
7103288	US20050205759		10801711	7112777	US20050205760		10803916	7657623	US20050216584		10808065
7304947	US20050220113		10813059	7430173	US20050226155		10820776	7386240	US20050226631		10822077
7558479	NONE		10825542	7733787	NONE		10825649	8538272	NONE		10829545
7546361	US20050097216		10837975	7567516	US20040202111		10839237	7554905	US20050254522		10843330
6948968	NONE		10848158	6888069	NONE		10853842	7486669	US20050078667		10858035
7200315	US20050276561		10863922	7331532	US20050275365		10864007	7579718	US20050276384		10864198
7037143	US20050277327		10864851	6980140	US20050280568		10870054	7680420	NONE		10872850
7852771	US20060002304		10881308	7483641	NONE		10884949	6968994	NONE		10885273
7191355	NONE		10888421	7145083	US20060011384		10890004	8228931	NONE		10891992
NONE	US20060013133		10892118	7321734	US20060024069		10902604	7725029	NONE		10917340
7123807	US20060045457		10925591	7779269	US20060064593		10944945	7224582	NONE		10945075
7805082	NONE		10946224	7590051	NONE		10946983	7363548	US20050105696		10952028
7174109	US20050047798		10954052	7925768	NONE		10958676	7363574	NONE		10961111
7518883	NONE		10961441	7590049	NONE		10961792	7487500	NONE		10962043
7590136	NONE		10962044	7656823	NONE		10978182	7756009	NONE		10979655
7676161	US20060127102		11008515	7204018	US20060130321		11012127	7593322	US20050122899		11038206
7209445	US20050157648		11061405	7787778	US20060127104		11067011	7389055	NONE		11082999
7894724	US20060228116		11094396	7394985	NONE		11118263	7643595	US20060056563		11172335
7756025	NONE		11182530	7599400	US20070053384		11218430	7742420	US20060039285		11222919
7590054	NONE		11225952	NONE	US20070064700		11229538	7853011	US20060256966		11235134
7522842	NONE		11239148	8218434	NONE		11250666	RE41417	NONE		11257483
NONE	US20060088032		11258101	7899340	NONE		11279042	8125925	US20060245413		11279060
7860205	NONE		11279410	7656985	NONE		11279431	7321728	US20060078337		11281437
7286564	US20060088061		11289351	7492732	US20070097902		11294146	7555227	US20070092259		11294613
7783194	US20060126521		11301718	NONE	US20060203747		11302826	7330667	US20070140703		11312155
7627252	US20060285854		11315342	7532822	US20060285855		11315345	7412168	US20060127089		11352797
7277603	NONE		11357963	7835366	US20070097947		11362697	7561797	NONE		11362756
7599625	NONE		11362911	7558478	NONE		11362912	7606498	NONE		11366392
7428249	US20060159089		11375056	7405931	US20060176666		11377727	7580629	US20070264025		11383338
8572281	NONE		11388492	7613268	US20060242445		11394705	7733134	NONE		11394746
7636525	NONE		11423822	NONE	US20070208840		11427613	7782879	US20070230505		11428098
7388535	NONE		11458737	NONE	US20080002680		11479447	7711828	US20060259630		11486485
NONE	US20080033908		11498894	7773878	US20070116464		11532974	7894721	US20070014571		11533166
7936999	NONE		11533438	7272308	US20070212064		11546334	NONE	US20070206512		11548090
7894728	NONE		11550042	7684712	NONE		11551367	8463133	NONE		11552016
NONE	US20080144602		11610780	7346284	US20070122162		11612916	NONE	US20080152316		11614206
8645990	US20080155590		11615628	NONE	US20080155628		11615662	NONE	US20080154780		11615754
7774448	US20070104120		11617296	NONE	US20070147850		11682130	7526211	US20070154221		11683109
7787713	US20070212076		11690444	7467056	US20080222594		11716187	7385470	US20070169961		11723851
8116308	US20080275972		11758140	7519294	US20080037988		11906821	7876678	US20080084826		11923840
8005368	US20090148164		11950585	NONE	US20090161873		11960208	NONE	US20090164550		11961879
8737198	NONE		12027942	7701842	US20090201796		12030242	7873073	US20090213873		12037514
8270599	US20090220073		12039118	7738381	US20080165888		12053307	7945226	US20090247105		12054874
NONE	US20090256622		12101209	7930435	US20080281984		12114059	7706639	US20080226305		12128247
8230294	US20100031114		12182575	NONE	US20100027995		12183839	NONE	US20100027998		12183851
8131148	US20100067902		12211216	NONE	US20090168645		12225220	8116196	US20090129772		12244373
8300625	US20090086757		12259048	7990909	US20090147806		12262232	8897448	US20100111307		12262945
8180228	NONE		12273597	8364036	US20090116837		12298441	8166365	US20100138722		12326933
9520950	US20090304391		12330691	8139954	US20100046958		12337393	8401086	NONE		12341537
8305938	US20090168671		12344355	8018841	US20090168647		12344362	8149692	US20100165883		12347362
NONE	US20090201654		12367635	7792044	US20090202239		12390488	7989985	US20090322161		12415047
NONE	US20100165834		12581944	8023402	US20100092181		12642948	NONE	US20100128734		12644453
8116232	US20100118878		12689710	8693876	US20100189443		12692065	D407686	NONE		29089909
D475041	NONE		29138544	D490803	NONE		29140430	D564455	NONE		29200741
D531978	NONE		29202919	D523438	NONE		29214997

Correspondence name and address
	LATHAM & WATKINS LLP
	650 TOWN CENTER DRIVE, SUITE 2000
	COSTA MESA, CA 92626

Assignment: 4

Reel/Frame:	024637/0941			Pages:	25
		Recorded:	07/06/2010
Attorney Dkt #:	102831/00095
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

CIENA LUXEMBOURG S.A.R.L.

Exec Dt:

03/19/2010

Assignee

CIENA CORPORATION

1201 WINTERSON ROAD

LINTHICUM, MARYLAND 21090

Property

Pat #

Pub #

Intl #

App #

8059970

US20100272446

12830663

Correspondence name and address
	BLAKE, CASSELS & GRAYDON LLP
	45 O'CONNOR ST., 20TH FLOOR
	OTTAWA, K1P 1A4 CANADA

Assignment: 5

Reel/Frame:	026368/0715			Pages:	6
		Recorded:	06/01/2011
Attorney Dkt #:	102831/00001
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

CIENA LUXEMBOURG S.A.R.L.

Exec Dt:

05/27/2011

Assignee

CIENA CORPORATION

1201 WINTERSON ROAD

LINTHICUM, MARYLAND 21090

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
8135283	US20100254702		12419368	9203644	US20100260196		12420970	8243743	US20100260197		12421227
8711863	US20100272110		12430671	8619785	US20100271936		12431493	9344307	US20100278536		12433316
9444720	US20100284309		12435973	8131149	US20100284691		12436470	8625410	US20100284413		12463827
8431834	US20100314163		12485375	8194554	US20110080836		12571722	8718491	US20110103795		12608022
8315528	US20110150505		12644409	8355631	US20110188861		12696089	9607412	US20110188865		12699927
8166183	US20110219128		12718733	8249467	US20110222850		12721802	NONE	US20110142457		12721876
8260141	US20110222851		12722841	8154867	US20110222241		12753381	8588060	US20110075554		12892959
9667570	US20110222394		12966245	8509621	US20110200324		13028475	9077474	US20110222862		13040590
NONE	US20110222854		13047356	8750706	US20110222846		13047411