Extract from the Register of European Patents

EP About this file: EP4168834

EP4168834 - MANUFACTURING METHOD OF OPTICAL ELEMENT, OPTICAL ELEMENT AND APPARATUS FOR MANUFACTURING OPTICAL ELEMENT [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  06.02.2026
Database last updated on 28.03.2026
FormerGrant of patent is intended
Status updated on  01.01.2026
FormerRequest for examination was made
Status updated on  24.03.2023
FormerThe international publication has been made
Status updated on  24.12.2021
Most recent event   Tooltip06.02.2026(Expected) grantpublished on 11.03.2026  [2026/11]
Applicant(s)For all designated states
Dispelix Oy
Metsänneidonkuja 10
02130 Espoo / FI
[2023/17]
Inventor(s)01 / ERDMANIS, Mikhail
02130 Espoo / FI
 [2023/17]
Representative(s)Schüssler, Andrea
Kanzlei Huber & Schüssler
Truderinger Strasse 246
81825 München / DE
[2023/17]
Application number, filing date21824996.909.06.2021
[2023/17]
WO2021FI50428
Priority number, dateFI2020000564217.06.2020         Original published format: FI 20205642
[2023/17]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021255332
Date:23.12.2021
Language:EN
[2021/51]
Type: A1 Application with search report 
No.:EP4168834
Date:26.04.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 23.12.2021 takes the place of the publication of the European patent application.
[2023/17]
Type: B1 Patent specification 
No.:EP4168834
Date:11.03.2026
Language:EN
[2026/11]
Search report(s)International search report - published on:FI23.12.2021
(Supplementary) European search report - dispatched on:EP24.06.2024
ClassificationIPC:G02B5/18, G02B27/01, G02B6/00, C23C14/04, C23C16/04, C23C14/58, C23C16/56
[2024/30]
CPC:
C23C16/042 (EP,KR); G02B5/1847 (FI); G02B5/1857 (EP,KR);
G02B6/0076 (US); C23C14/044 (EP,KR); C23C14/5873 (EP,KR);
C23C16/56 (EP,KR); C23C26/00 (FI,KR); G02B27/0101 (FI,KR);
G02B27/0172 (EP,FI,KR,US); G02B27/4205 (US); G02B6/0016 (FI,KR) (-)
Former IPC [2023/17]G02B5/18, G02B27/01, G02B6/00, C23C14/04, C23C16/04
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 [2023/17]  
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:HERSTELLUNGSVERFAHREN FÜR EIN OPTISCHES ELEMENT, OPTISCHES ELEMENT UND VORRICHTUNG ZUR HERSTELLUNG EINES OPTISCHEN ELEMENTS[2023/17]
English:MANUFACTURING METHOD OF OPTICAL ELEMENT, OPTICAL ELEMENT AND APPARATUS FOR MANUFACTURING OPTICAL ELEMENT[2023/17]
French:PROCÉDÉ DE FABRICATION D'UN ÉLÉMENT OPTIQUE, ÉLÉMENT OPTIQUE ET APPAREIL DE FABRICATION D'ÉLÉMENT OPTIQUE[2023/17]
Entry into regional phase18.11.2022National basic fee paid 
18.11.2022Search fee paid 
18.11.2022Designation fee(s) paid 
18.11.2022Examination fee paid 
Examination procedure12.04.2022Request for preliminary examination filed
International Preliminary Examining Authority: FI
18.11.2022Examination requested  [2023/17]
10.01.2025Amendment by applicant (claims and/or description)
10.01.2025Date on which the examining division has become responsible
02.01.2026Communication of intention to grant the patent
03.02.2026Fee for grant paid
03.02.2026Fee for publishing/printing paid
03.02.2026Receipt of the translation of the claim(s)
Fees paidRenewal fee
27.06.2023Renewal fee patent year 03
27.06.2024Renewal fee patent year 04
28.06.2025Renewal fee patent year 05
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Documents cited:Search[XIA] US2020110278  (YANG SHUQIANG et al.) [X] 1,4,8,10-11 * figures 2, 9 * * paragraph [0072] * * paragraph [0004] * * paragraph [0033] - paragraph [0044] * * paragraph [0071] * * paragraph [0050] * * paragraph [0091] - paragraph [0094] * * paragraph [0073] * * claim 1 * * paragraph [0007] - paragraph [0008] *[I] 2-3,5-7,12-15 [A] 9
 [X] WO2020018270  (APPLIED MATERIALS INC et al.) [X] 10 * figures 4,5 * * paragraph [0032] - paragraph [0033] *
 [X] US2016062037  (HORINO KAZUHIKO et al.) [X] 11 * figure 4 * * paragraph [0005] * * paragraph [0069] - paragraph [0070] *
 [A] US5784507  (HOLM-KENNEDY JAMES W et al.) [A] 2,6,12-14 * column 41, line 65 - column 43, line 25 * * figures 23A-23F *
 [A] US2018374423  (KIM KIBEOM et al.) [A] 2,12,14 * figure 8 * * paragraph [0041] * * paragraph [0046] *
 [A] US2019056591  (TERVO JANI KARI TAPIO et al.) [A] 1-15 * the whole document *
 [A] CN110806645  (SHENZHEN HUINIU TECHNOLOGY CO LTD et al.) [A] 1-15 * the whole document *
 [A] CN109839746  (BOE TECHNOLOGY GROUP CO LTD et al.) [A] 1-15 * the whole document *
International search[X] US2020110278  (YANG SHUQIANG et al.) [X] 1-8, 10-15 * abstract; pars. [0002]-[0012], [0028], [0031], [0033]-[0098]; claims 1-20; figs. 1-13. *
 [X] WO2020018270  (APPLIED MATERIALS INC et al.) [X] 10 * entire document; especially pars. [0032], [0033]; figs. 4, 5. *
 [X] US2016062037  (HORINO KAZUHIKO et al.) [X] 11 * entire document; especially pars. [0005], [0069], [0070]; fig. 4. *
 [A] US5784507  (HOLM-KENNEDY JAMES W et al.) [A] 1-15 * entire document; especially col. 41, line 19 - col. 43, line 25; figs. 23A-23F. *
 [A] US2018374423  (KIM KIBEOM et al.) [A] 1-15 * entire document; especially pars. [0041], [0046]; fig. 8. *
 [A] US2019056591  (TERVO JANI KARI TAPIO et al.) [A] 1-15 * entire document; especially par. [0052]; fig. 3. *
 [A] CN110806645  (SHENZHEN HUINIU TECHNOLOGY CO LTD et al.) [A] 1-15 * fig. 2 & abstract [online] EPOQUENET EPODOC & machine translation into English by the EPO [online] EPOQUENET TXPMTCEA: p. 5. *
 [A] CN109839746  (BOE TECHNOLOGY GROUP CO LTD et al.) [A] 1-15 * fig. 1 & abstract [online] EPOQUENET EPODOC & machine translation into English by the EPO [online] EPOQUENET TXPMTCEA: p. 4. *
by applicantUS2020110278
 WO2020018270
 US2016062037
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