(19)
(11) EP 1 456 797 A2

(12)

(88) Date of publication A3:
08.04.2004

(43) Date of publication:
15.09.2004 Bulletin 2004/38

(21) Application number: 03731486.1

(22) Date of filing: 03.06.2003
(51) International Patent Classification (IPC)7G06F 17/60
(86) International application number:
PCT/US2003/017265
(87) International publication number:
WO 2003/102736 (11.12.2003 Gazette 2003/50)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 03.06.2002 US 159272
05.06.2002 US 162212

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

(72) Inventors:
  • GILLIAM, Charles, P.
    Darien, CT 06820 (US)
  • WANG, Xin
    Torrance, CA 90503 (US)
  • TADAYON, Bijan
    Germantown, MD 20876 (US)
  • VALENZUELA, Edgardo
    South Gate, CA 90280 (US)
  • ROMERO-LOBO, Jose
    Pasadena, CA 91106 (US)
  • LAO, Guillermo
    Torrance, CA 90503 (US)

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

   


(54) SYSTEM AND METHOD FOR SUPPLYING AND MANAGING RIGHTS EXPRESSIONS