(19)

(11)

EP 1 373 498 A2

(12)

(88) Date of publication A3: 14.11.2002 (43) Date of publication: 02.01.2004 Bulletin 2004/01 (21) Application number: 02708083.7 (22) Date of filing: 21.03.2002

(51) International Patent Classification (IPC)7: C12N 15/06, A01K 67/027, C12N 5/06 (86) International application number: PCT/CA2002/000378 (87) International publication number: WO 2002/074948 (26.09.2002 Gazette 2002/39)

(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 (30) Priority: 21.03.2001 US 277811 P (71) Applicant: Geron Corporation Menlo Park, CA 94025 (US)	(72) Inventors: DENNING, Chris Scotland EH25 9PS (GB) CLARK, A., John Scotland EH25 9PS (GB) SCHIFF, J., Michael Menlo Park, CA 94025 (US) (74) Representative: Bassil, Nicholas Charles et al Kilburn & Strode20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)