(19)

(11)

EP 2 539 827 A2

(12)

(88) Date of publication A3: 17.11.2011 (43) Date of publication: 02.01.2013 Bulletin 2013/01 (21) Application number: 11747968.3 (22) Date of filing: 23.02.2011

(51) International Patent Classification (IPC):  G06F 15/16(2006.01) H04L 12/28(2006.01) (86) International application number: PCT/US2011/025869 (87) International publication number: WO 2011/106382 (01.09.2011 Gazette 2011/35)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 26.02.2010 US 713596 26.02.2010 US 713538 (71) Applicant: Rovi Technologies Corporation Santa Clara, CA 95050 (US)	(72) Inventor: CHRABASZCZ, Michael Patrick Milpitas California 95035 (US) (74) Representative: Thum, Bernhard  Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstraße 2 81541 München 81541 München (DE)