(19)
(11) EP 1 459 197 A1

(12)

(43) Date of publication:
22.09.2004 Bulletin 2004/39

(21) Application number: 02803667.1

(22) Date of filing: 19.11.2002
(51) International Patent Classification (IPC)7G06F 15/00, G06F 17/00, G06F 17/60
(86) International application number:
PCT/US2002/037087
(87) International publication number:
WO 2003/044681 (30.05.2003 Gazette 2003/22)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 20.11.2001 US 331619 P
20.11.2001 US 331622 P
17.01.2002 US 46695
27.02.2002 US 359646 P

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

(72) Inventors:
  • NGUYEN, Mai
    Buena Park, CA 90621 (US)
  • FUNG, Joseph, Z.
    Cerritos, CA 90703 (US)
  • TRAN, Duc
    Westminster, CA 92683 (US)

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

   


(54) RIGHTS EXPRESSION SYSTEM