blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP4073581

EP4073581 - ENHANCED CONTROL OF AN IGU WITH GRADED TINTING [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  01.11.2024
Database last updated on 02.11.2024
FormerRequest for examination was made
Status updated on  16.09.2022
FormerThe international publication has been made
Status updated on  18.06.2021
Most recent event   Tooltip01.11.2024Application deemed to be withdrawnpublished on 04.12.2024 [2024/49]
Applicant(s)For all designated states
Sage Electrochromics, Inc.
Two Sage Way
Faribault, Minnesota 55021 / US
[2022/42]
Inventor(s)01 / WANG, Yigang
17350 61st Avenue North
Plymouth, Minnesota 55446 / US
02 / DOUBLEIN, Thomas
484 Temperance Street North, Apt. 105
Saint Paul, Minnesota 55101 / US
 [2022/42]
Representative(s)Zimmermann & Partner Patentanwälte mbB
Postfach 330 920
80069 München / DE
[2022/42]
Application number, filing date20899398.009.12.2020
[2022/42]
WO2020US63984
Priority number, dateUS201962945974P10.12.2019         Original published format: US 201962945974 P
[2022/42]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021119111
Date:17.06.2021
Language:EN
[2021/24]
Type: A1 Application with search report 
No.:EP4073581
Date:19.10.2022
Language:EN
The application published by WIPO in one of the EPO official languages on 17.06.2021 takes the place of the publication of the European patent application.
[2022/42]
Search report(s)International search report - published on:KR17.06.2021
(Supplementary) European search report - dispatched on:EP15.12.2023
ClassificationIPC:G02F1/163, G02F1/153, E06B9/24, G02F1/155
[2024/03]
CPC:
G02F1/155 (EP,US); G02F1/163 (EP,CN,US); E06B9/24 (EP);
E06B2009/2464 (EP); G02F1/1525 (US); G02F1/1533 (US)
Former IPC [2022/42]G02F1/163, G02F1/153
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 [2022/42]
TitleGerman:VERBESSERTE STEUERUNG EINES IGU MIT ABGESTUFTER TÖNUNG[2022/42]
English:ENHANCED CONTROL OF AN IGU WITH GRADED TINTING[2022/42]
French:COMMANDE AMÉLIORÉE D'UNE IGU À COLORATION PROGRESSIVE[2022/42]
Entry into regional phase08.06.2022National basic fee paid 
08.06.2022Search fee paid 
08.06.2022Designation fee(s) paid 
08.06.2022Examination fee paid 
Examination procedure08.06.2022Examination requested  [2022/42]
10.07.2024Application deemed to be withdrawn, date of legal effect  [2024/49]
30.07.2024Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [2024/49]
Fees paidRenewal fee
20.12.2022Renewal fee patent year 03
19.12.2023Renewal fee patent year 04
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.
Documents cited:Search[A]WO2014078429  (VIEW INC [US]) [A] 1-15 * the whole document *;
 [A]US2019169926  (SHRIVASTAVA DHAIRYA [US], et al) [A] 1-15* the whole document *;
 [XP]WO2020171932  (SAGE ELECTROCHROMICS INC [US]) [XP] 1-15 * page 21, line 32 - page 25, line 7; figures 1-6 * * page 6, line 6 - page 12, line 16 *
International search[A]US2015109653  (GREER BRYAN D [US], et al) [A] 1-15 * paragraphs [0065]-[0075]; and figure 4 *;
 [A]US2017097259  (BROWN STEPHEN C [US], et al) [A] 1-15 * paragraphs [0053]-[0195]; and figures 14-19 *;
 [A]KR20180132040  (CHROMOGENICS AB [SE]) [A] 1-15 * paragraphs [0020]-[0032]; and figure 1 *;
 [A]US2019221148  (PRADHAN ANSHU A [US], et al) [A] 1-15 * paragraphs [0188]-[0213], [0226]-[0243]; and figures 9A-9D, 19 *;
 [A]US2019242184  (SHRIVASTAVA DHAIRYA [US], et al) [A] 1-15 * paragraphs [0052]-[0068]; and figures 4A-4F *;
 [PX]WO2020171932  (SAGE ELECTROCHROMICS INC [US]) [PX] 1-15* whole document *
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.