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Patent Assignment Assignee Details

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Assignee Name : DURUS LIFE SCIENCES MASTER FUND, LTD., A CAYMEN ISLANDS EXEMPTED COMPANY

Total Assignments: 4

Assignment: 1

Reel/Frame:	017400/0777			Pages:	15
		Recorded:	04/03/2006
Attorney Dkt #:	566650000001
Conveyance:	SECURITY AGREEMENT

Assignor

AKSYS, LTD., A DELAWARE CORPORATION

Exec Dt:

03/31/2006

Assignee

DURUS LIFE SCIENCES MASTER FUND, LTD., A CAYMEN ISLANDS EXEMPTED COMPANY

C/O INTERNATIONAL FUND SERVICES (IRELAND), LTD.

3RD FLOOR, BISHOPS SQUARE

DUBLIN 2, IRELAND

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
6132616	NONE		08335102	5591344	NONE		08388275	5674404	NONE		08558213
5705066	NONE		08558215	5645734	NONE		08559090	5690831	NONE		08559124
5658456	NONE		08559148	5707086	NONE		08559834	5674397	NONE		08559933
5630935	NONE		08560017	5690821	NONE		08560305	5725776	NONE		08560334
5670050	NONE		08560335	5702606	NONE		08560439	5674390	NONE		08560502
5651893	NONE		08582137	5788099	NONE		08660694	5714060	NONE		08707509
5932110	NONE		08762072	5858239	NONE		08799227	5788851	NONE		08800405
5783072	NONE		08842184	5716531	NONE		08893125	5762782	NONE		08895385
5863421	NONE		08929943	5932103	NONE		08938111	6146523	NONE		09128185
6044691	NONE		09140483	6136201	NONE		09186501	6153102	NONE		09236764
6691047	NONE		09527327	6355161	NONE		09549897	6280634	NONE		09590812
6868309	NONE		09961735	7544301	US20060037910		10921677	D383842	NONE		29052303
D395517	NONE		29057448	D395085	NONE		29070062	D403079	NONE		29080688
D435646	NONE		29112243	D435647	NONE		29112244	D435648	NONE		29112249
D435649	NONE		29112250

Correspondence name and address
	ANDREAS RADKE
	MORRISON & FOERSTER LLP
	425 MARKET STREET
	SAN FRANCISCO, CA 94105-2482

Assignment: 2

Reel/Frame:	028329/0557			Pages:	15
		Recorded:	06/06/2012
Attorney Dkt #:	04-544-US-CON & CON2
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

AKSYS LTD.

Exec Dt:

03/06/2007

Assignee

DURUS LIFE SCIENCES MASTER FUND, LTD., A CAYMEN ISLANDS EXEMPTED COMPANY

C/O INTERNATIONAL FUND SERVICES (IRELAND), LTD.

3RD FLOOR, BISHOPS SQUARE

DUBLIN 2, IRELAND

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

7883725

US20090274774

12474658

8202547

US20110171271

13007863

Correspondence name and address
	MCDONNELL BOEHNEN HULBERT & BERGHOFF LLP
	300 SOUTH WACKER DRIVE
	SUITE 3200
	CHICAGO, IL 60606

Assignment: 3

Reel/Frame:	028351/0102			Pages:	15
		Recorded:	06/11/2012
Attorney Dkt #:	04-544-US-CON3
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

AKSYS LTD.

Exec Dt:

03/06/2007

Assignee

DURUS LIFE SCIENCES MASTER FUND, LTD., A CAYMEN ISLANDS EXEMPTED COMPANY

C/O INTERNATIONAL FUND SERVICES (IRELAND), LTD.

3RD FLOOR, BISHOPS SQUARE

DUBLIN 2, IRELAND

Property

Pat #

Pub #

Intl #

App #

8414768

US20120291875

13493106

Correspondence name and address
	MCDONNELL BOEHNEN HULBERT & BERGHOFF LLP
	300 SOUTH WACKER DRIVE
	SUITE 3200
	CHICAGO, IL 60606

Assignment: 4

Reel/Frame:	019466/0711			Pages:	16
		Recorded:	06/25/2007
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

AKSYS LTD., A DELAWARE CORPORATION

Exec Dt:

03/07/2007

Assignee

DURUS LIFE SCIENCES MASTER FUND, LTD., A CAYMEN ISLANDS EXEMPTED COMPANY

C/O INTERNATIONAL FUND SERVICES (IRELAND), LTD.

3RD FLOOR, BISHOPS SQUARE

DUBLIN 2, IRELAND

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
6132616	NONE		08335102	5591344	NONE		08388275	5674404	NONE		08558213
5705066	NONE		08558215	5645734	NONE		08559090	5690831	NONE		08559124
5658456	NONE		08559148	5707086	NONE		08559834	5674397	NONE		08559933
5630935	NONE		08560017	5690821	NONE		08560305	5725776	NONE		08560334
5670050	NONE		08560335	5702606	NONE		08560439	5674390	NONE		08560502
5651893	NONE		08582137	5788099	NONE		08660694	5714060	NONE		08707509
5932110	NONE		08762072	5858239	NONE		08799227	5788851	NONE		08800405
5783072	NONE		08842184	5716531	NONE		08893125	5762782	NONE		08895385
5863421	NONE		08929943	5932103	NONE		08938111	6146523	NONE		09128185
6044691	NONE		09140483	6136201	NONE		09186501	6153102	NONE		09236764
6691047	NONE		09527327	6355161	NONE		09549897	6280634	NONE		09590812
7048898	NONE		09868580	6868309	NONE		09961735	7544301	US20060037910		10921677
D383842	NONE		29052303	D395517	NONE		29057448	D395085	NONE		29070062
D403079	NONE		29080688	D435646	NONE		29112243	D435647	NONE		29112244
D435648	NONE		29112249	D435649	NONE		29112250

Correspondence name and address
	MAUREEN K. TOOHEY
	225 FRANKLIN STREET
	16TH FLOOR
	BOSTON, MA 02110

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