(19)

(11)

EP 3 271 902 A1

(12)

(43) Date of publication: 24.01.2018 Bulletin 2018/04 (21) Application number: 16723660.3 (22) Date of filing: 18.05.2016

(51) International Patent Classification (IPC):  G07C 9/00(2006.01) (86) International application number: PCT/EP2016/000828 (87) International publication number: WO 2017/198282 (23.11.2017 Gazette 2017/47)

(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 Designated Extension States: BA ME Designated Validation States: MA MD (71) Applicant: alstria office REIT-AG 20355 Hamburg (DE)	(72) Inventor: ELAMINE, Olivier 22525 Hamburg (DE) (74) Representative: Kramer Barske Schmidtchen Patentanwälte PartG mbB  European Patent Attorneys Landsberger Strasse 300 80687 München 80687 München (DE)