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Trademark Assignment Assignee Details

Assignee Name : THINKORSWIM HOLDINGS INC.

Total Assignments: 3

Assignment: 1

Reel/Frame:	3797/0053	View Recorded Assignment		Pages:	4
		Recorded:	06/17/2008
Attorney Dkt #:	LJW 8753.000
Conveyance:	CHANGE OF NAME

Assignor

THINKORSWIM GROUP, INC.

Exec Dt:	05/19/2008
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignee

THINKORSWIM HOLDINGS INC.

600 WEST CHICAGO AVENUE, SUITE 100

CHICAGO, ILLINOIS 60654

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
75819263	2568003	76174990	2914755	77136877	NONE	77171002	3351845	77233469	3632123
77233485	3477744	77233494	3473463	77316979	NONE	77319462	3507533	77380708	4102653
77380915	NONE	77408963	NONE	77409002	3495883	77475200	3720667	78926499	3339797

Correspondence name and address
	KATHRYN A. ERICKSON
	30 NORTH LASALLE STREET, SUITE 3000
	CHICAGO, IL 60602

Assignment: 2

Reel/Frame:	3879/0494	View Recorded Assignment		Pages:	11
		Recorded:	10/29/2008
Attorney Dkt #:	0999991-40000
Conveyance:	CORRECTIVE ASSIGNMENT TO CORRECT THE ERROR MADE IN THE PREVIOUSLY RECORDED DOCUMENT THAT ERRONEOUSLY AFFECTS THE IDENTIFIED APPLICATIONS AND REGISTRATIONS PREVIOUSLY RECORDED ON REEL 003839 FRAME 0924. ASSIGNOR(S) HEREBY CONFIRMS THE CHANGES MADE TO THE REGISTRATIONS AND APPLICATIONS LISTED ON EXHIBIT A OF THE ORIGINAL ASSIGNMENT.

Assignor

INVESTOOLS INC.

Exec Dt:	08/19/2008
Entity Type:	CORPORATION
Citizenship:	UTAH

Assignee

THINKORSWIM HOLDINGS INC.

600 WEST CHICAGO AVENUE

SUITE 100

CHICAGO, ILLINOIS, TEXAS 60654

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
75819263	2568003	76174990	2914755	77136877	NONE	77171002	3351845	77233469	3632123
77233485	3477744	77233494	3473463	77316979	NONE	77319462	3507533	77380708	4102653
77380915	NONE	77408963	NONE	77409002	3495883	77475200	3720667	78926499	3339797

Correspondence name and address
	PATRICIA PAQUET
	600 TRAVIS STREET
	3400 JPMORGAN CHASE TOWER
	HOUSTON, TX 77002-3095

Assignment: 3

Reel/Frame:	4103/0600	View Recorded Assignment		Pages:	31
		Recorded:	11/25/2009
Attorney Dkt #:	35609/6531
Conveyance:	RELEASE BY SECURED PARTY

Assignor

CITICORP NORTH AMERICA, INC.

Exec Dt:	11/25/2009
Entity Type:	CORPORATION
Citizenship:	DELAWARE

Assignees

TD AMERITRADE HOLDING CORPORATION (FORMERLY AMERITRADE HOLDING CORPORATION)

4211 SOUTH 102ND STREET

OMAHA, NEBRASKA 68127

Entity Type:	CORPORATION
Citizenship:	DELAWARE

TD AMERITRADE ONLINE HOLDINGS CORP. (FORMERLY, AMERITRADE ONLINE HOLDINGS CORP. AND SUCCESSOR TO DATEK ONLINE HOLDINGS CORP. AND TD WATERHOUSE GROUP, INC.)

4211 SOUTH 102ND STREET

OMAHA, NEBRASKA 68127

Entity Type:	CORPORATION
Citizenship:	DELAWARE

TD AMERITRADE IP COMPANY, INC. (FORMERLY AMERITRADE IP COMPANY, INC.)

4211 SOUTH 102ND STREET

OMAHA, NEBRASKA 68127

Entity Type:	CORPORATION
Citizenship:	DELAWARE

TD AMERITRADE SERVICES COMPANY, INC. (FORMERLY AMERITRADE SERVICES COMPANY, INC.)

4211 SOUTH 102ND STREET

OMAHA, NEBRASKA 68127

Entity Type:	CORPORATION
Citizenship:	DELAWARE

THINKTECH, INC.

4211 SOUTH 102ND STREET

OMAHA, NEBRASKA 68127

Entity Type:	CORPORATION
Citizenship:	DELAWARE

THINKORSWIM GROUP INC.

4211 SOUTH 102ND STREET

OMAHA, NEBRASKA 68127

Entity Type:	CORPORATION
Citizenship:	DELAWARE

THINKORSWIM HOLDINGS INC.

4211 SOUTH 102ND STREET

OMAHA, NEBRASKA 68127

Entity Type:	CORPORATION
Citizenship:	DELAWARE

Properties

Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #	Ser. #	Reg. #
73766883	1557221	74117167	1754178	74539129	2011336	75036005	2028670	75110860	2032385
75200668	2419393	75363507	2411005	75387832	2482696	75387965	2663504	75413517	2376450
75423916	2310027	75445840	2427782	75445850	2292183	75478092	2427270	75479038	2334425
75491116	2416212	75497943	2263034	75526222	2429111	75526224	2288864	75527502	2290085
75579742	2545171	75589446	2432115	75604682	2367843	75644542	2466285	75718341	2332993
75718342	2336063	75719778	2438057	75729264	2467044	75757516	2417153	75767394	2368525
75773082	2353844	75800279	2553412	75807513	2462985	75819263	2568003	75834536	2395745
75861119	2474627	75864221	2621828	75881482	2523620	75899896	2454979	75919465	2810936
75980378	2514343	75981172	2606498	75982861	2669695	76012372	2701664	76047335	2616507
76080755	2457369	76095452	2667783	76116573	2643927	76123981	2634142	76165458	2599762
76166555	2701741	76174215	2611894	76174990	2914755	76219483	2634398	76222771	2646956
76323969	NONE	76357916	NONE	76360811	NONE	76360812	NONE	76360813	NONE
76366701	2946399	76366702	NONE	76366703	NONE	76366709	2887035	76381156	NONE
76381157	NONE	76381269	NONE	77136877	NONE	77171002	3351845	77233469	3632123
77233485	3477744	77233494	3473463	77316979	NONE	77319462	3507533	77380708	4102653
77380915	NONE	77408963	NONE	77409002	3495883	77475200	3720667	77642599	NONE
78006768	2687457	78050802	2510713	78056804	2669152	78056808	2621429	78160344	NONE
78227000	NONE	78416209	3034578	78418528	3334409	78593939	NONE	78766548	NONE
78766576	3808580	78926499	3339797

Correspondence name and address
	GLORIA JUNG
	599 LEXINGTON AVENUE
	SHEARMAN & STERLING LLP
	NEW YORK, NY 10022

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