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Trademark Assignment Assignee Details

Assignee Name : PERSEUS PARTNERS VII, L.P.

Total Assignments: 4

Assignment: 1

Reel/Frame:	3558/0109	View Recorded Assignment		Pages:	8
		Recorded:	06/08/2007
Attorney Dkt #:	110.166.131
Conveyance:	SECURITY INTEREST

Assignor

PROTON ENERGY SYSTEMS, INC.

Exec Dt:	06/01/2007
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

PERSEUS PARTNERS VII, L.P.

2099 PENNSYLVANIA AVENUE, N.W.

9TH FLOOR

WASHINGTON, DISTRICT OF COLUMBIA 20006

Entity Type:	LIMITED PARTNERSHIP
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
75203786	2204373	75203787	2241035	75203788	2272644	75851769	2529000	76110668	3009040
76115064	2908932	78963864	3410969	78963879	3410970

Correspondence name and address
	MICHAEL J. BEVILACQUA, ESQUIRE
	WILMER CUTLER PICKERING HALE AND DORRLLP
	60 STATE STREET
	BOSTON, MA 02109

Assignment: 2

Reel/Frame:	3558/0117	View Recorded Assignment		Pages:	8
		Recorded:	06/08/2007
Attorney Dkt #:	110.166.131
Conveyance:	SECURITY INTEREST

Assignor

DISTRIBUTED ENERGY SYSTEMS CORP.

Exec Dt:	06/01/2007
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

PERSEUS PARTNERS VII, L.P.

2099 PENNSYLVANIA AVENUE, N.W.

9TH FLOOR

WASHINGTON, DISTRICT OF COLUMBIA 20006

Entity Type:	LIMITED PARTNERSHIP
Citizenship:	DELAWARE

Properties

Ser. #

Reg. #

Ser. #

Reg. #

78349528

3012346

78349531

NONE

Correspondence name and address
	MICHAEL J. BEVILACQUA, ESQUIRE
	WILMER CUTLER PICKERING HALE AND DORRLLP
	60 STATE STREET
	BOSTON, MA 02109

Assignment: 3

Reel/Frame:	3558/0125	View Recorded Assignment		Pages:	8
		Recorded:	06/08/2007
Attorney Dkt #:	110.166.131
Conveyance:	SECURITY INTEREST

Assignor

NORTHERN POWER SYSTEMS, INC.

Exec Dt:	06/01/2007
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

PERSEUS PARTNERS VII, L.P.

2099 PENNSYLVANIA AVENUE, N.W.

9TH FLOOR

WASHINGTON, DISTRICT OF COLUMBIA 20006

Entity Type:	LIMITED PARTNERSHIP
Citizenship:	DELAWARE

Properties

	Ser. #	Reg. #		Ser. #	Reg. #		Ser. #	Reg. #		Ser. #	Reg. #		Ser. #	Reg. #
	73287099	1204288		76152498	2611804		76316447	3090563		78267021	2845006		78647045	3246252

Correspondence name and address
	MICHAEL J. BEVILACQUA, ESQUIRE
	WILMER CUTLER PICKERING HALE AND DORRLLP
	60 STATE STREET
	BOSTON, MA 02109

Assignment: 4

Reel/Frame:	4187/0582	View Recorded Assignment		Pages:	19
		Recorded:	04/16/2010
Conveyance:	SECURITY INTEREST

Assignors

PROCYTE CORPORATION

Exec Dt:	03/19/2010
Entity Type:	CORPORATION
Citizenship:	WASHINGTON

PHOTO THERAPEUTICS, INC.

Exec Dt:	03/19/2010
Entity Type:	CORPORATION
Citizenship:	DELAWARE

PHOTOMEDEX, INC.

Exec Dt:	03/19/2010
Entity Type:	CORPORATION
Citizenship:	DELAWARE

SLT TECHNOLOGY, INC.

Exec Dt:	03/19/2010
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

PERSEUS PARTNERS VII, L.P.

2099 PENNSYLVANIA AVENUE, NW

SUITE 900

WASHINGTON, DISTRICT OF COLUMBIA 20006

Entity Type:	LIMITED PARTNERSHIP
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
73801987	1581031	73802249	1594833	74282908	1959138	74725982	2141281	74728597	2072596
75068111	2035569	75236506	2523759	75437740	2393915	75449180	2571738	75485117	2559175
75532772	2313521	75587988	2384086	75650307	2373960	75873205	2511683	75886459	2415772
76047703	2575254	76063652	2598910	76076117	2896516	76171868	2615906	76171869	2767352
76213037	3064001	76287231	2529912	76307756	2642438	76307757	2563708	76359559	2651877
76568323	2922319	77286306	NONE	77286308	NONE	77503286	3693730	77503314	3567428
77505837	3567548	77626810	NONE	77626907	NONE	77660483	3779205	78321200	2897444
78321206	2897445	78410531	3004005	78410536	2955075	78410542	3001310	78410547	3134899
78410551	2981046

Correspondence name and address
	NINA F. MCINTYRE
	620 EIGHTH AVENUE
	COVINGTON & BURLING LLP
	NEW YORK, NY 10018-1405

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