(19)
(11) EP 3 863 864 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 2 (W2 B1)

(48) Corrigendum issued on:
22.02.2023 Bulletin 2023/08

(45) Mention of the grant of the patent:
07.12.2022 Bulletin 2022/49

(21) Application number: 19795461.3

(22) Date of filing: 11.10.2019
(51) International Patent Classification (IPC): 
B42D 25/328(2014.01)
(52) Cooperative Patent Classification (CPC):
B42D 25/328; G03H 1/0011; G03H 2001/0016; G03H 2210/55; G03H 1/2249; G03H 2001/2236; G03H 1/265; B42D 25/351; B42D 25/355
(86) International application number:
PCT/EP2019/077602
(87) International publication number:
WO 2020/074706 (16.04.2020 Gazette 2020/16)

(54)

OPTICAL SECURITY DEVICE

OPTISCHE SICHERHEITSVORRICHTUNG

DISPOSITIF OPTIQUE DE SÉCURITÉ

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR 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: 12.10.2018 GB 201816641

(43) Date of publication of application:
18.08.2021 Bulletin 2021/33

(73) Proprietor: IQS Group s.r.o.
250 68 Husinec - Rez (CZ)

(72) Inventors:
  • SKEREN, Marek
    280 02 Nova Ves I (CZ)
  • RYZI, Zbynek
    Littleton, Massachusetts 01460 (US)
  • NAHÁLKA, Roman
    266 01 Beroun (CZ)

(74) Representative: Linn, Samuel Jonathan 
23 Bings Road
Whaley Bridge Derbyshire SK23 7ND
Whaley Bridge Derbyshire SK23 7ND (GB)


(56) References cited: : 
EP-A2- 1 564 605
 US-A1- 2007 223 074
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).