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Extract from the Register of European Patents

EP About this file: EP3905303

EP3905303 - ETCHING APPARATUS AND ETCHING METHOD [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  02.02.2024
Database last updated on 30.09.2024
FormerRequest for examination was made
Status updated on  01.10.2021
Most recent event   Tooltip05.08.2024New entry: Reply to examination report 
Applicant(s)For all designated states
Tokyo Electron Limited
3-1, Akasaka 5-chome Minato-ku
Tokyo
107-6325 / JP
[2021/44]
Inventor(s)01 / Torii, Natsumi
Kurokawa-gun, 981-3629 / JP
02 / Nagami, Koichi
Kurokawa-gun, 981-3629 / JP
03 / Masuda, Noriiki
Kurokawa-gun, 981-3629 / JP
04 / Suzuki, Takayuki
Kurokawa-gun, 981-3629 / JP
 [2021/44]
Representative(s)Hoffmann Eitle
Patent- und Rechtsanwälte PartmbB
Arabellastraße 30
81925 München / DE
[2021/44]
Application number, filing date21171520.630.04.2021
[2021/44]
Priority number, dateJP2020008110801.05.2020         Original published format: JP 2020081108
JP2020014901904.09.2020         Original published format: JP 2020149019
JP2020017006107.10.2020         Original published format: JP 2020170061
[2021/44]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3905303
Date:03.11.2021
Language:EN
[2021/44]
Search report(s)(Supplementary) European search report - dispatched on:EP14.09.2021
ClassificationIPC:H01J37/32
[2021/44]
CPC:
H01J37/32642 (EP,CN,KR,US); H01J37/32183 (EP,KR,US); H01J37/32082 (EP);
H01J37/32174 (EP); H01J37/3244 (US); H01J37/32577 (EP);
H01J37/32623 (EP); H01J37/32715 (CN,KR,US); H01J37/32834 (US);
H01L21/3065 (CN,US); H01L21/67069 (CN,KR,US); H01L21/6831 (US);
H01L21/68721 (US); H01J2237/2007 (US); H01J2237/334 (CN,US);
H01J2237/3341 (KR) (-)
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 [2021/44]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:ÄTZVORRICHTUNG UND ÄTZVERFAHREN[2021/44]
English:ETCHING APPARATUS AND ETCHING METHOD[2021/44]
French:APPAREIL DE GRAVURE ET PROCÉDÉ DE GRAVURE[2021/44]
Examination procedure30.04.2021Examination requested  [2021/44]
12.04.2022Amendment by applicant (claims and/or description)
06.02.2024Despatch of a communication from the examining division (Time limit: M06)
05.08.2024Reply to a communication from the examining division
Fees paidRenewal fee
22.03.2023Renewal fee patent year 03
10.04.2024Renewal fee patent year 04
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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[XAI]US2008241420  (DHINDSA RAJINDER [US], et al) [X] 1 * paragraphs [0017] - [0039]; figures 1,2,3,4; claim 1 * [A] 2,17 [I] 3-16;
 [AD]US2009026170  (TANAKA SATOSHI [JP], et al) [AD] 1-17* paragraphs [0059] - [0063]; figure 6a *;
 [IA]US7572737  (DHINDSA RAJINDER [US]) [I] 1,3-16 * column 2, line 60 - column 3, line 14; figure 3a * * column 3, lines 45-53 * * column 4, line 43 - column 5, line 25; claim 1 * [A] 2,17;
 [XA]US2018082822  (KELLOGG MICHAEL C [US], et al) [X] 1 * paragraphs [0035] - [0049]; figures 1,2a * [A] 2-17
by applicantJP2008227063
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.