SYSTEMS AND METHODS FOR PREVENTING UNAUTHORIZED USE OF DIGITAL CONTENT - Patent 1393145

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EP 1 393 145 A2

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(88)	Date of publication A3:
	06.11.2003

(43)	Date of publication:
	03.03.2004 Bulletin 2004/10

(21)	Application number: 01274516.2

(22)	Date of filing: 20.11.2001

(51)	International Patent Classification (IPC)⁷: G06F 1/00

(86)	International application number:
	PCT/US2001/044045

(87)	International publication number:
	WO 2003/029939 (10.04.2003 Gazette 2003/15)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

20.11.2000 US 249946 P
10.01.2001 US 260705 P
20.04.2001 US 285300 P
21.09.2001 US 960610

(71)	Applicant: ECD Systems, Inc.
	Marstons Mills, MA 02648 (US)

(72)	Inventors:
	LEVINE, Richard, B. Marston Mills, MA 02168 (US) LEE, Andrew, R. Marlborough, MA 01752 (US) HOWARD, Daniel, G. Mashpee, MA 02649 (US) GOLDMAN, Daniel, M. North Falmouth, MA 02556 (US) HART, John, J., III Mashpee, MA 02649 (US)

(74)	Representative: Gambell, Derek et al
	Graham Watt & Co.St. Botolph's House,7-9 St. Botolph's Road SevenoaksKent TN13 3AJ SevenoaksKent TN13 3AJ (GB)

(54)	SYSTEMS AND METHODS FOR PREVENTING UNAUTHORIZED USE OF DIGITAL CONTENT