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Extract from the Register of European Patents

EP About this file: EP3121628

EP3121628 - ELECTRONIC PAPER DISPLAY [Right-click to bookmark this link]
Former [2017/04]ELECTRONIC PAPER DISPLAY SCREEN LIGHT GUIDE PLATE AND ELECTRONIC PAPER DISPLAY SCREEN
[2020/51]
StatusPatent revoked
Status updated on  13.02.2026
Database last updated on 11.04.2026
FormerThe patent has been granted
Status updated on  30.04.2021
FormerGrant of patent is intended
Status updated on  18.01.2021
FormerExamination is in progress
Status updated on  21.12.2018
FormerRequest for examination was made
Status updated on  23.12.2016
FormerThe international publication has been made
Status updated on  19.12.2016
Most recent event   Tooltip13.02.2026Revocation of patentpublished on 18.03.2026  [2026/12]
Applicant(s)For all designated states
Guangzhou OED Technologies, Inc.
19 Guangsheng Road
Nansha District
Guangzhou, Guangdong 511458 / CN
[2017/11]
Former [2017/04]For all designated states
Guangzhou OED Technologies Co., Ltd.
No. 19 Guangsheng Road
Nansha District
Guangzhou, Guangdong 511458 / CN
Inventor(s)01 / LIN, Yongqiang
The Patent Department/LIN Xianrong
No.19 Guangsheng Road
Nansha District
Guangzhou Guangdong 511458 / CN
02 / SUN, Jingquan
The Patent Department/LIN Xianrong
No.19 Guangsheng Road
Nansha District
Guangzhou Guangdong 511458 / CN
 [2017/04]
Representative(s)Canzler & Bergmeier Patentanwälte Partnerschaft mbB
Despag-Straße 6
85055 Ingolstadt / DE
[N/P]
Former [2021/22]Canzler & Bergmeier Patentanwälte Partnerschaft mbB
Friedrich-Ebert-Straße 84
85055 Ingolstadt / DE
Former [2017/04]Bergmeier, Werner
Canzler & Bergmeier
Patentanwälte Partnerschaft mbB
Friedrich-Ebert-Straße 84
85055 Ingolstadt / DE
Application number, filing date15752879.511.02.2015
[2017/04]
WO2015CN72720
Priority number, dateCN2014105657119.02.2014         Original published format: CN201410056571
[2017/04]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2015124074
Date:27.08.2015
Language:ZH
[2015/34]
Type: A1 Application with search report 
No.:EP3121628
Date:25.01.2017
Language:EN
[2017/04]
Type: B1 Patent specification 
No.:EP3121628
Date:02.06.2021
Language:EN
[2021/22]
Search report(s)International search report - published on:CN27.08.2015
(Supplementary) European search report - dispatched on:EP16.10.2017
ClassificationIPC:G02B6/00, F21V8/00, F21V33/00, G02F1/167, F21Y101/00
[2017/04]
CPC:
G02B6/0016 (EP,CN,US); G02F1/133603 (EP,CN,US); G02B6/0021 (EP,CN,US);
G02F1/167 (EP,CN,US); G02F1/1677 (EP,US); G02B6/0068 (EP,US);
G02B6/0081 (EP,CN,US); G02F1/133607 (EP,CN,US) (-)
Designated contracting statesAL,   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 [2017/04]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:ELEKTRONISCHER PAPIERANZEIGEBILDSCHIRM[2020/51]
English:ELECTRONIC PAPER DISPLAY[2020/51]
French:L'AFFICHAGE DE PAPIER ÉLECTRONIQUE[2020/51]
Former [2017/04]ELEKTRONISCHE PAPIERANZEIGEBILDSCHIRMLICHTLEITERPLATTE UND ELEKTRONISCHER PAPIERANZEIGEBILDSCHIRM
Former [2017/04]ELECTRONIC PAPER DISPLAY SCREEN LIGHT GUIDE PLATE AND ELECTRONIC PAPER DISPLAY SCREEN
Former [2017/04]PLAQUE DE GUIDAGE DE LUMIÈRE D'ÉCRAN D'AFFICHAGE DE PAPIER ÉLECTRONIQUE ET ÉCRAN D'AFFICHAGE DE PAPIER ÉLECTRONIQUE
Entry into regional phase14.09.2016Translation filed 
14.09.2016National basic fee paid 
14.09.2016Search fee paid 
14.09.2016Designation fee(s) paid 
14.09.2016Examination fee paid 
Examination procedure14.09.2016Examination requested  [2017/04]
14.09.2016Date on which the examining division has become responsible
27.06.2017Observations by third parties
19.01.2018Observations by third parties
25.06.2018Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time
29.08.2018Amendment by applicant (claims and/or description)
12.09.2018Observations by third parties
19.12.2018Despatch of a communication from the examining division (Time limit: M04)
29.04.2019Reply to a communication from the examining division
03.06.2019Observations by third parties
04.11.2020Date of oral proceedings
24.11.2020Minutes of oral proceedings despatched
19.01.2021Communication of intention to grant the patent
23.04.2021Fee for grant paid
23.04.2021Fee for publishing/printing paid
23.04.2021Receipt of the translation of the claim(s)
Opposition(s)Opponent(s)01  02.03.2022   
E ink Corporation
1000 Technology Park Drive
Billerica, MA 01821-4165 / US
Opponent's representative
Mathys & Squire
32 London Bridge Street The Shard
London SE1 9SG / GB
 [N/P]
Former [2022/14]
Opponent(s)01  02.03.2022   
E ink Corporation
1000 Technology Park Drive
Billerica, MA 01821-4165 / US
Opponent's representative
Mathys & Squire
The Shard
32 London Bridge Street
London SE1 9SG / GB
17.03.2022Invitation to proprietor to file observations on the notice of opposition
26.07.2022Reply of patent proprietor to notice(s) of opposition
18.10.2023Date of oral proceedings
24.11.2023Despatch of minutes of oral proceedings
24.11.2023Despatch of communication that the patent will be revoked
10.02.2026Legal effect of revocation of patent [2026/12]
Appeal following opposition23.01.2024Appeal received No.  T0128/24
23.01.2024Payment of appeal fee
21.03.2024Statement of grounds filed
05.02.2026Result of appeal procedure: appeal of the proprietor was rejected
10.02.2026Despatch of the decision of the Board of Appeal
Request for further processing for:The application is deemed to be withdrawn due to failure to reply to the Extended European Search Report/Written Opinion of the International Searching Authority/International Preliminary Examination Report/Supplementary international search report/Supplementary European search report
29.08.2018Request for further processing filed
29.08.2018Full payment received (date of receipt of payment)
Request granted
26.09.2018Decision despatched
The application is deemed to be withdrawn due to failure to indicate the wish to proceed further with the application
29.08.2018Request for further processing filed
29.08.2018Full payment received (date of receipt of payment)
Request granted
26.09.2018Decision despatched
Fees paidRenewal fee
24.02.2017Renewal fee patent year 03
10.08.2018Renewal fee patent year 04
25.01.2019Renewal fee patent year 05
28.01.2020Renewal fee patent year 06
23.02.2021Renewal fee patent year 07
Penalty fee
Additional fee for renewal fee
28.02.201804   M06   Fee paid on   10.08.2018
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipHU11.02.2015
AL02.06.2021
AT02.06.2021
CY02.06.2021
CZ02.06.2021
DK02.06.2021
EE02.06.2021
ES02.06.2021
FI02.06.2021
HR02.06.2021
IT02.06.2021
LT02.06.2021
LV02.06.2021
MC02.06.2021
MK02.06.2021
MT02.06.2021
PL02.06.2021
RO02.06.2021
RS02.06.2021
SE02.06.2021
SI02.06.2021
SK02.06.2021
SM02.06.2021
TR02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
IS02.10.2021
PT04.10.2021
IE11.02.2022
LU11.02.2022
BE28.02.2022
CH28.02.2022
LI28.02.2022
[2026/04]
Former [2024/42]HU11.02.2015
AL02.06.2021
AT02.06.2021
CY02.06.2021
CZ02.06.2021
DK02.06.2021
EE02.06.2021
ES02.06.2021
FI02.06.2021
HR02.06.2021
IT02.06.2021
LT02.06.2021
LV02.06.2021
MC02.06.2021
MK02.06.2021
MT02.06.2021
PL02.06.2021
RO02.06.2021
RS02.06.2021
SE02.06.2021
SI02.06.2021
SK02.06.2021
SM02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
IS02.10.2021
PT04.10.2021
IE11.02.2022
LU11.02.2022
BE28.02.2022
CH28.02.2022
LI28.02.2022
Former [2024/22]HU11.02.2015
AL02.06.2021
AT02.06.2021
CY02.06.2021
CZ02.06.2021
DK02.06.2021
EE02.06.2021
ES02.06.2021
FI02.06.2021
HR02.06.2021
IT02.06.2021
LT02.06.2021
LV02.06.2021
MC02.06.2021
MK02.06.2021
PL02.06.2021
RO02.06.2021
RS02.06.2021
SE02.06.2021
SI02.06.2021
SK02.06.2021
SM02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
IS02.10.2021
PT04.10.2021
IE11.02.2022
LU11.02.2022
BE28.02.2022
CH28.02.2022
LI28.02.2022
Former [2024/20]HU11.02.2015
AL02.06.2021
AT02.06.2021
CY02.06.2021
CZ02.06.2021
DK02.06.2021
EE02.06.2021
ES02.06.2021
FI02.06.2021
HR02.06.2021
IT02.06.2021
LT02.06.2021
LV02.06.2021
MC02.06.2021
PL02.06.2021
RO02.06.2021
RS02.06.2021
SE02.06.2021
SI02.06.2021
SK02.06.2021
SM02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
IS02.10.2021
PT04.10.2021
IE11.02.2022
LU11.02.2022
BE28.02.2022
CH28.02.2022
LI28.02.2022
Former [2024/18]HU11.02.2015
AL02.06.2021
AT02.06.2021
CZ02.06.2021
DK02.06.2021
EE02.06.2021
ES02.06.2021
FI02.06.2021
HR02.06.2021
IT02.06.2021
LT02.06.2021
LV02.06.2021
MC02.06.2021
PL02.06.2021
RO02.06.2021
RS02.06.2021
SE02.06.2021
SI02.06.2021
SK02.06.2021
SM02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
IS02.10.2021
PT04.10.2021
IE11.02.2022
LU11.02.2022
BE28.02.2022
CH28.02.2022
LI28.02.2022
Former [2023/10]AL02.06.2021
AT02.06.2021
CZ02.06.2021
DK02.06.2021
EE02.06.2021
ES02.06.2021
FI02.06.2021
HR02.06.2021
IT02.06.2021
LT02.06.2021
LV02.06.2021
MC02.06.2021
PL02.06.2021
RO02.06.2021
RS02.06.2021
SE02.06.2021
SI02.06.2021
SK02.06.2021
SM02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
IS02.10.2021
PT04.10.2021
IE11.02.2022
LU11.02.2022
BE28.02.2022
CH28.02.2022
LI28.02.2022
Former [2023/09]AL02.06.2021
AT02.06.2021
CZ02.06.2021
DK02.06.2021
EE02.06.2021
ES02.06.2021
FI02.06.2021
HR02.06.2021
IT02.06.2021
LT02.06.2021
LV02.06.2021
MC02.06.2021
PL02.06.2021
RO02.06.2021
RS02.06.2021
SE02.06.2021
SI02.06.2021
SK02.06.2021
SM02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
IS02.10.2021
PT04.10.2021
IE11.02.2022
LU11.02.2022
CH28.02.2022
LI28.02.2022
Former [2022/47]AL02.06.2021
AT02.06.2021
CZ02.06.2021
DK02.06.2021
EE02.06.2021
ES02.06.2021
FI02.06.2021
HR02.06.2021
IT02.06.2021
LT02.06.2021
LV02.06.2021
MC02.06.2021
PL02.06.2021
RO02.06.2021
RS02.06.2021
SE02.06.2021
SI02.06.2021
SK02.06.2021
SM02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
IS02.10.2021
PT04.10.2021
LU11.02.2022
Former [2022/44]AL02.06.2021
AT02.06.2021
CZ02.06.2021
DK02.06.2021
EE02.06.2021
ES02.06.2021
FI02.06.2021
HR02.06.2021
IT02.06.2021
LT02.06.2021
LV02.06.2021
MC02.06.2021
PL02.06.2021
RO02.06.2021
RS02.06.2021
SE02.06.2021
SI02.06.2021
SK02.06.2021
SM02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
IS02.10.2021
PT04.10.2021
Former [2022/36]AL02.06.2021
AT02.06.2021
CZ02.06.2021
DK02.06.2021
EE02.06.2021
ES02.06.2021
FI02.06.2021
HR02.06.2021
IT02.06.2021
LT02.06.2021
LV02.06.2021
PL02.06.2021
RO02.06.2021
RS02.06.2021
SE02.06.2021
SI02.06.2021
SK02.06.2021
SM02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
IS02.10.2021
PT04.10.2021
Former [2022/29]AL02.06.2021
AT02.06.2021
CZ02.06.2021
DK02.06.2021
EE02.06.2021
ES02.06.2021
FI02.06.2021
HR02.06.2021
LT02.06.2021
LV02.06.2021
PL02.06.2021
RO02.06.2021
RS02.06.2021
SE02.06.2021
SI02.06.2021
SK02.06.2021
SM02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
IS02.10.2021
PT04.10.2021
Former [2022/26]AL02.06.2021
AT02.06.2021
CZ02.06.2021
DK02.06.2021
EE02.06.2021
ES02.06.2021
FI02.06.2021
HR02.06.2021
LT02.06.2021
LV02.06.2021
PL02.06.2021
RO02.06.2021
RS02.06.2021
SE02.06.2021
SK02.06.2021
SM02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
IS02.10.2021
PT04.10.2021
Former [2022/21]AT02.06.2021
CZ02.06.2021
DK02.06.2021
EE02.06.2021
ES02.06.2021
FI02.06.2021
HR02.06.2021
LT02.06.2021
LV02.06.2021
PL02.06.2021
RO02.06.2021
RS02.06.2021
SE02.06.2021
SK02.06.2021
SM02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
IS02.10.2021
PT04.10.2021
Former [2022/10]AT02.06.2021
CZ02.06.2021
EE02.06.2021
ES02.06.2021
FI02.06.2021
HR02.06.2021
LT02.06.2021
LV02.06.2021
PL02.06.2021
RO02.06.2021
RS02.06.2021
SE02.06.2021
SK02.06.2021
SM02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
IS02.10.2021
PT04.10.2021
Former [2022/09]AT02.06.2021
CZ02.06.2021
ES02.06.2021
FI02.06.2021
HR02.06.2021
LT02.06.2021
LV02.06.2021
PL02.06.2021
RO02.06.2021
RS02.06.2021
SE02.06.2021
SK02.06.2021
SM02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
PT04.10.2021
Former [2022/08]AT02.06.2021
CZ02.06.2021
ES02.06.2021
FI02.06.2021
HR02.06.2021
LT02.06.2021
LV02.06.2021
PL02.06.2021
RS02.06.2021
SE02.06.2021
SM02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
Former [2022/07]AT02.06.2021
FI02.06.2021
HR02.06.2021
LT02.06.2021
LV02.06.2021
PL02.06.2021
RS02.06.2021
SE02.06.2021
SM02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
Former [2021/52]FI02.06.2021
HR02.06.2021
LT02.06.2021
LV02.06.2021
PL02.06.2021
RS02.06.2021
SE02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
Former [2021/51]FI02.06.2021
HR02.06.2021
LT02.06.2021
LV02.06.2021
RS02.06.2021
SE02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
Former [2021/49]FI02.06.2021
HR02.06.2021
LT02.06.2021
LV02.06.2021
SE02.06.2021
BG02.09.2021
NO02.09.2021
GR03.09.2021
Former [2021/47]FI02.06.2021
LT02.06.2021
BG02.09.2021
Former [2021/46]FI02.06.2021
LT02.06.2021
Documents cited:Search[XI] US2012250348  (KIM RAE-YOUNG et al.)
 [XI] US2012294034  (KIM GUK HYUN et al.)
 [I] EP1688665  (OMRON TATEISI ELECTRONICS CO et al.)
 [A] US6601962  (EHARA MUNETSUGU et al.)
International search[PX] CN203732748  (GUANGZHOU OED TECHNOLOGIES CO et al.) [PX] 1-10 * , claims 1-10 *
 [PX] CN203732852  (GUANGZHOU OED TECHNOLOGIES CO et al.) [PX] 1-10 * . description, paragraphs [0038]-[0048], and figures 1-8 *
 [PX] CN203849531  (GUANGZHOU OED TECHNOLOGIES CO et al.) [PX] 1-10 * , description, paragraphs [0034]-[0047], and figures 1-8 *
 [PX] CN103631450  (WINTEK CORP et al.) [PX] 1-7, 9-10 * , description, paragraphs [0089]-[0097], and figures 1-8 *
 [Y] CN102279498   [Y] 1-10 * , description, paragraphs [0002]-[0024], and figures 1-3 *
 [Y] CN1886621  (OMRON TATEISI ELECTRONICS CO et al.) [Y] 1-10 * , description, page 8, last paragraph to page 17, paragraph 6, and figures 13-47 *
 [Y] CN102279436   [Y] 1-10 * , description, paragraphs [0021]-[0035], and figure 7 *
 [Y] CN102563466  (QINGDAO HISENSE ELECTRIC CO et al.) [Y] 1-7, 9-10 * , description, paragraphs [0030]-[0049], and figures 1-8 *
 [A] CN103363440  (E INK HOLDINGS INC et al.) [A] 1-10 * , the whole document *
ExaminationJPH10199316
 US2007274100
   ANONYMOUS: "Kindle Paperwhite (6th Generation)", AMAZON.COM, 1 January 2017 (2017-01-01), pages 1 - 6, XP055451333, Retrieved from the Internet [retrieved on 20180215]
   BERNADETTE JOHNSON: "How the Kindle Paperwhite Works \ HowStuffWorks", 31 March 2013 (2013-03-31), pages 1 - 16, XP055514196, Retrieved from the Internet [retrieved on 20181010]
   ANONYMOUS: "Frontlight - Wikipedia", 29 March 2017 (2017-03-29), XP055527462, Retrieved from the Internet [retrieved on 20181127]
   AMAZON: "Which Kindle E-Reader do i have?", 30 March 2013 (2013-03-30), XP055527286, Retrieved from the Internet [retrieved on 20181127]
   ANONYMOUS: "How the Kindle Paperwhite Works - Graphic - NYTimes.com", 26 December 2012 (2012-12-26), XP055660068, Retrieved from the Internet [retrieved on 20200121]
   ANONYMOUS: "Amazon Kindle Paperwhite review | Engadget", 30 September 2012 (2012-09-30), XP055660058, Retrieved from the Internet [retrieved on 20200121]
otherUS6601962
 US2012051093
 US2013063968
 US7513813
 US2013258705
 US2002101399
 US2012051093
 CN103363440
 JPH10199316
   "Kindle Paperwhite (6th Generation)", AMAZON.COM, 2017, pages 1 - 6, XP055451333
   ANONYMOUS: "Kindle Paperwhite (6th Generation)", AMAZON.COM,, 2017, pages 1 - 6, XP055451333
   BERNADETTE JOHNSON: "How the Kindle Paperwhite Works", 31 March 2013 (2013-03-31), pages 1 - 16, XP055514196, Retrieved from the Internet
OppositionUS2013258705
 US2014002428
 US2013063682
 CN203732748
 CN203732852
 CN203849531
 EP1688665
 WO03104884
 US2012002437
 US2010226118
 US6601962
 US7575358
   HOW THE KINDLE PAPERWHITE WORKS - GRAPHIC - NYTIMES.COM, 26 December 2012 (2012-12-26), XP055660068, Retrieved from the Internet [I] 3-8,10
   "Highly precise optical model for simulating light guide plate using LED light source", OPTICS EXPRESS, vol. 18, no. 21, 11 October 2010 (2010-10-11), XP055914032 [I] 3-8,10

DOI:   http://dx.doi.org/10.1364/OE.18.022208
   MICHAEL KOZLOWSKI: "Hands on Review of the Kobo Glo eReader", GOODEREADER.COM, 1 October 2012 (2012-10-01), XP055914036, Retrieved from the Internet
   DAVID CARNOY: "Kobo Glo review: A worthy Kindle alternative", CNET, 21 November 2012 (2012-11-21), XP055914040, Retrieved from the Internet
   ANONYMOUS: "saturday star ", TORONTO STAR, 1 December 2012 (2012-12-01), XP055914183 [XP] 1-10 * the whole document *
   ANONYMOUS: "Toronto star ", TORONTO STAR, 6 December 2012 (2012-12-06), XP055914185 [Y] 1-10
   BAYAN CHRISTOPHER, ANALYTICAL |: "Koboglo Light Guide Microscopy", EINK, 22 September 2022 (2022-09-22), pages 1 - 11, XP093110897, [retrieved on 20231211]
   ANONYMOUS: "3M Optically Clear Adhesive 8261 8262 8263 8264 8265 ", 3M - TECHNICAL DATA, 1 January 2011 (2011-01-01), pages 1 - 5, XP093110900, Retrieved from the Internet [retrieved on 20231211]
   ANONYMOUS: "E-Ink or E-Paper Displays", CRAFTADATA LTD, 1 January 2011 (2011-01-01), XP093110905, Retrieved from the Internet [retrieved on 20231211]
   ANONYMOUS: "E-Paper Display Professional manufacturer", GOOD DISPLAY - TECHNICAL SUPPORT, 25 October 2012 (2012-10-25), XP093110910, Retrieved from the Internet [retrieved on 20231211]
   A SWORN STATEMENT FROM CHRISTOPHER BAYAN, A TECHNICAL EXPERT IN THE FIELD OF ELECTRO-OPTICS.
   ANONYMOUS: "Products no longer manufactured or supported by Kobo ", RAKUTEN KOBO, 1 January 2023 (2023-01-01), pages 1 - 5, XP093134705, Retrieved from the Internet [retrieved on 20240226]
   KOZLOWSKI MICHAEL: "The Evolution of the Kobo eReader - In Pictures ", GOOD E-READER, 26 May 2014 (2014-05-26), pages 1 - 19, XP093134707, Retrieved from the Internet [retrieved on 20240226]
   ANONYMOUS K: "Get to know Kobo Glo. Kobo Glo Technical Specs", KOBO, 24 January 2013 (2013-01-24), pages 1 - 2, XP093134711, Retrieved from the Internet [retrieved on 20240226]
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