(19)

(11)

EP 2 087 445 A2

(12)

(88) Date of publication A3: 24.01.2008 (43) Date of publication: 12.08.2009 Bulletin 2009/33 (21) Application number: 07732950.6 (22) Date of filing: 24.05.2007

(51) International Patent Classification (IPC):  G06F 17/30(2006.01) (86) International application number: PCT/GB2007/001930 (87) International publication number: WO 2007/135440 (29.11.2007 Gazette 2007/48)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 24.05.2006 GB 0610327 (71) Applicant: Grapeshot Limited 3 Shaftesbury Road Cambridge CB2 2BW (GB)	(72) Inventors: SNYDER, John, Harvey Cambridge CB2 2BW (GB) PORTER, Martin, Frederick Norwich NR2 3EF (GB) CHARLTON, Chris Cambridge CB2 2ET (GB) (74) Representative: Driver, Virginia Rozanne  Page White & Farrer Bedford House John Street London WC1N 2BF John Street London WC1N 2BF (GB)