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Trademark Assignment Assignor Details

Assignor Name : MATHSOFT ENGINEERING & EDUCATION, INC.

Total Assignments: 5

Assignment: 1

Reel/Frame:	2266/0895	View Recorded Assignment		Pages:	5
		Recorded:	03/23/2001
Conveyance:	SECURITY AGREEMENT

Assignor

MATHSOFT ENGINEERING & EDUCATION, INC.

Exec Dt:	01/22/2001
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

CITIZENS BANK OF MASSACHUSETTS

28 STATE STREET

BOSTON, MASSACHUSETTS 02109

Entity Type:	CORPORATION
Citizenship:	NONE

Properties

	Ser. #	Reg. #		Ser. #	Reg. #		Ser. #	Reg. #		Ser. #	Reg. #		Ser. #	Reg. #
	73592981	1457219		73773568	1552712		75043722	2107766		75309966	2192085		75455224	NONE

Correspondence name and address
	GOULSTON & STORRS, P.C.
	LISA PERUSSE
	400 ATLANTIC AVENUE
	BOSTON, MA 02110

Assignment: 2

Reel/Frame:	2308/0141	View Recorded Assignment		Pages:	4
		Recorded:	03/16/2001
Conveyance:	SECURITY AGREEMENT

Assignors

MATHSOFT ENGINEERING & EDUCATION, INC.

Exec Dt:	01/22/2001
Entity Type:	CORPORATION
Citizenship:	DELAWARE

MATHSOFT CORPORATE HOLDINGS, INC.

Exec Dt:	01/22/2001
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

SPRING CAPITAL PARTNERS, L.P.

2 EAST READ STREET

BALTIMORE, MARYLAND 21202

Entity Type:	LIMITED PARTNERSHIP
Citizenship:	MARYLAND

Properties

	Ser. #	Reg. #		Ser. #	Reg. #		Ser. #	Reg. #		Ser. #	Reg. #		Ser. #	Reg. #
	73592981	1457219		73773568	1552712		75043722	2107766		75309966	2192085		75455224	NONE

Correspondence name and address
	DRINKER, BIDDLE & REATH LLP
	AMY E. CARROLL, ESQ.
	1500 K STREET, N.W., SUITE 1100
	WASHINGTON, D.C. 20005-1209

Assignment: 3

Reel/Frame:	2932/0628	View Recorded Assignment		Pages:	6
		Recorded:	09/01/2004
Conveyance:	SECURITY INTEREST

Assignors

MATHSOFT ENGINEERING & EDUCATION, INC.

Exec Dt:	07/23/2004
Entity Type:	CORPORATION
Citizenship:	DELAWARE

MATHSOFT CORPORATE HOLDINGS, INC.

Exec Dt:	07/23/2004
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

SILICON VALLEY BANK DBA SILICON VALLEY EAST

3003 TASMAN DRIVE

SANTA CLARA, CALIFORNIA 95054

Entity Type:	CA-CHARTERED BANK
Citizenship:	NONE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
73592981	1457219	73773568	1552712	75043722	2107766	75309966	2192085	76272132	2604376
76466388	2836034	76481168	2752836	78449711	3030683	78450718	3009783

Correspondence name and address
	CHRISTOPHER E. KONDRACKI
	2001 JEFFERSON DAVIS HIGHWAY
	SUITE 1007
	ARLINGTON, VA 22202

Assignment: 4

Reel/Frame:	3049/0207	View Recorded Assignment		Pages:	5
		Recorded:	03/18/2005
Conveyance:	SECURITY INTEREST

Assignor

MATHSOFT ENGINEERING & EDUCATION, INC.

Formerly: FORMERLY MATHSOFT, INC.

Exec Dt:	03/18/2005
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

PARTNERS FOR GROWTH, L.P.

180 PACIFIC AVENUE

SAN FRANCISCO, CALIFORNIA 94111

Entity Type:	LIMITED PARTNERSHIP
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
73592981	1457219	73773568	1552712	75043722	2107766	75309966	2192085	76272132	2604376
76466388	2836034	76481168	2752836	78449711	3030683

Correspondence name and address
	BENJAMIN GREENSPAN
	620 LAGUNA ROAD
	MILL VALLEY, CA 94941

Assignment: 5

Reel/Frame:	3870/0212	View Recorded Assignment		Pages:	5
		Recorded:	10/15/2008
Conveyance:	ASSIGNS THE ENTIRE INTEREST

Assignor

MATHSOFT ENGINEERING & EDUCATION, INC.

Exec Dt:	10/10/2008
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

PARAMETRIC TECHNOLOGY CORPORATION

140 KENDRICK STREET

NEEDHAM, MASSACHUSETTS 02494

Entity Type:	CORPORATION
Citizenship:	MASSACHUSETTS

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
73592981	1457219	73773568	1552712	75309966	2192085	76272132	2604376	76466388	2836034
76481168	2752836	78449711	3030683	78450718	3009783

Correspondence name and address
	THOMAS V SMURZYNSKI, ES.
	LAHIVE & COCKFIELD LLP
	ONE POST OFFICE SQUARE
	BOSTON, MA 02109

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