(19)
(11) EP 1 817 727 A1

(12)

(43) Date of publication:
15.08.2007 Bulletin 2007/33

(21) Application number: 04810791.6

(22) Date of filing: 12.11.2004
(51) International Patent Classification (IPC): 
G06Q 10/00(2006.01)
(86) International application number:
PCT/US2004/037734
(87) International publication number:
WO 2006/054963 (26.05.2006 Gazette 2006/21)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR

(71) Applicant: ContentGuard Holdings, Inc.
Wilmington, Delaware 19803 (US)

(72) Inventors:
  • DEMARTINI, Thomas
    Culver City, CA 90230 (US)
  • GILLIAM, Charles
    Darien, CT 06820 (US)
  • CHEN, Eddie
    Rancho Palos Verdes, CA 90275 (US)

(74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)

   


(54) METHOD, SYSTEM, AND DEVICE FOR VERIFYING AUTHORIZED ISSUANCE OF A RIGHTS EXPRESSION