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Trademark Assignment Assignor Details

Assignor Name : GELTEX PHARMACEUTICALS, INC.

Total Assignments: 4

Assignment: 1

Reel/Frame:	2408/0491	View Recorded Assignment		Pages:	5
		Recorded:	12/05/2001
Conveyance:	MERGER AND CHANGE OF NAME

Assignor

GELTEX PHARMACEUTICALS, INC.

Exec Dt:	12/14/2000
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

GEL TEX PHARMACEUTICALS, INC.

153 SECOND AVENUE

WALTHAM, MASSACHUSETTS 02451

Entity Type:	CORPORATION
Citizenship:	MASSACHUSETTS

Properties

	Ser. #	Reg. #		Ser. #	Reg. #		Ser. #	Reg. #		Ser. #	Reg. #
	74430326	1962232		74590044	1978935		75096270	2111338		76284224	NONE

Correspondence name and address
	FISH & RICHARDSON P.C.
	TIMOTHY A. FRENCH
	225 FRANKLIN STREET
	BOSTON, MASSACHUSETTS 02110-2804

Assignment: 2

Reel/Frame:	2674/0443	View Recorded Assignment		Pages:	6
		Recorded:	06/25/2003
Conveyance:	MERGER

Assignor

GELTEX PHARMACEUTICALS, INC.

Exec Dt:	03/27/2003
Entity Type:	CORPORATION
Citizenship:	NONE

Assignee

GENZYME CORPORATION

ONE KENDALL SQUARE

CAMBRIDGE, MASSACHUSETTS 02139

Entity Type:	CORPORATION
Citizenship:	NONE

Properties

Ser. #

Reg. #

Ser. #

Reg. #

Ser. #

Reg. #

Ser. #

Reg. #

1978935

2111388

NONE

NONE

Correspondence name and address
	LINDA LEONTIE
	15 PLEASANT STREET CONNECTOR
	FRAMINGHAM, MA 01757

Assignment: 3

Reel/Frame:	2711/0866	View Recorded Assignment		Pages:	5
		Recorded:	04/10/2003
Conveyance:	MERGER

Assignor

GELTEX PHARMACEUTICALS, INC.

Exec Dt:	04/01/2003
Entity Type:	CORPORATION
Citizenship:	MASSACHUSETTS

Assignee

GENZYME CORPORATION

ONE KENDALL SQUARE

CAMBRIDGE, MASSACHUSETTS 02139

Entity Type:	CORPORATION
Citizenship:	MASSACHUSETTS

Properties

Ser. #

Reg. #

Ser. #

Reg. #

Ser. #

Reg. #

Ser. #

Reg. #

1978935

2111388

NONE

NONE

Correspondence name and address
	FISH & RICHARDSON P.C.
	TIMOTHY A. FRENCH
	225 FRANKLIN ST.
	BOSTON, MA 02110-2804

Assignment: 4

Reel/Frame:	2831/0589	View Recorded Assignment		Pages:	3
		Recorded:	04/21/2004
Conveyance:	CHANGE OF NAME

Assignor

GELTEX PHARMACEUTICALS, INC.

Exec Dt:	06/25/2003
Entity Type:	CORPORATION
Citizenship:	NONE

Assignee

GENZYME CORPORATION

500 KENDALL STREET

CAMBRIDGE, MASSACHUSETTS 02142

Entity Type:	CORPORATION
Citizenship:	NONE

Properties

Ser. #

Reg. #

Ser. #

Reg. #

76284224

NONE

76449948

NONE

Correspondence name and address
	GENZYME CORPORATION - LEGAL DEPARTMENT
	15 PLEASANT STREET CONNECTOR
	FRAMINGHAM, MA 01701

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