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Extract from the Register of European Patents

EP About this file: EP3921877

EP3921877 - METHOD FOR PRODUCING A PIEZOELECTRIC STACK ACTUATOR AND PIEZOELECTRIC STACK ACTUATOR [Right-click to bookmark this link]
Former [2021/50]METHOD FOR PRODUCING A PIEZOELECTRIC STACK ACTUATOR, AND PIEZOELECTRIC STACK ACTUATOR
[2022/41]
StatusNo opposition filed within time limit
Status updated on  09.02.2024
Database last updated on 02.11.2024
FormerThe patent has been granted
Status updated on  03.03.2023
FormerGrant of patent is intended
Status updated on  16.10.2022
FormerRequest for examination was made
Status updated on  12.11.2021
FormerThe international publication has been made
Status updated on  14.08.2020
Formerunknown
Status updated on  24.02.2020
Most recent event   Tooltip03.10.2024Lapse of the patent in a contracting state
New state(s): MC
published on 06.11.2024 [2024/45]
Applicant(s)For all designated states
PI Ceramic GmbH
Lindenstrasse
07589 Lederhose / DE
[2021/50]
Inventor(s)01 / SPEER, Kevin
Hauptstraße 14
07646 Mörsdorf / DE
 [2023/14]
Former [2021/50]01 / SPEER, Kevin
07646 Mörsdorf / DE
Representative(s)Grünecker Patent- und Rechtsanwälte PartG mbB
Leopoldstraße 4
80802 München / DE
[2021/50]
Application number, filing date20704834.910.02.2020
[2021/50]
WO2020EP53299
Priority number, dateDE20191020165008.02.2019         Original published format: DE102019201650
[2021/50]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report
No.:WO2020161353
Date:13.08.2020
Language:DE
[2020/33]
Type: A1 Application with search report 
No.:EP3921877
Date:15.12.2021
Language:DE
The application published by WIPO in one of the EPO official languages on 13.08.2020 takes the place of the publication of the European patent application.
[2021/50]
Type: B1 Patent specification 
No.:EP3921877
Date:05.04.2023
Language:DE
[2023/14]
Search report(s)International search report - published on:EP13.08.2020
ClassificationIPC:H01L41/047, H01L41/083, H01L41/277
[2022/43]
CPC:
H10N30/871 (EP,US); H10N30/057 (EP,US); H10N30/063 (US);
H10N30/503 (EP,US)
Former IPC [2021/50]H01L41/047, H01L41/083
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 [2021/50]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN ZUR HERSTELLUNG EINES PIEZOELEKTRISCHEN STAPELAKTORS UND PIEZOELEKTRISCHER STAPELAKTOR[2021/50]
English:METHOD FOR PRODUCING A PIEZOELECTRIC STACK ACTUATOR AND PIEZOELECTRIC STACK ACTUATOR[2022/41]
French:PROCÉDÉ DE PRODUCTION D'UN ACTIONNEUR D'EMPILE PIÉZOÉLECTRIQUE ET ACTIONNEUR D'EMPILE PIÉZOÉLECTRIQUE[2022/41]
Former [2021/50]METHOD FOR PRODUCING A PIEZOELECTRIC STACK ACTUATOR, AND PIEZOELECTRIC STACK ACTUATOR
Former [2021/50]PROCÉDÉ DE FABRICATION D'UN ACTIONNEUR PIÉZOÉLECTRIQUE À EMPILEMENT ET ACTIONNEUR PIÉZOÉLECTRIQUE À EMPILEMENT
Entry into regional phase15.07.2021National basic fee paid 
15.07.2021Designation fee(s) paid 
15.07.2021Examination fee paid 
Examination procedure01.12.2020Request for preliminary examination filed
International Preliminary Examining Authority: EP
15.07.2021Examination requested  [2021/50]
15.07.2021Date on which the examining division has become responsible
17.10.2022Communication of intention to grant the patent
20.02.2023Fee for grant paid
20.02.2023Fee for publishing/printing paid
20.02.2023Receipt of the translation of the claim(s)
Opposition(s)08.01.2024No opposition filed within time limit [2024/11]
Fees paidRenewal fee
16.02.2022Renewal fee patent year 03
15.02.2023Renewal fee patent year 04
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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  TooltipCZ05.04.2023
EE05.04.2023
ES05.04.2023
FI05.04.2023
HR05.04.2023
IT05.04.2023
LT05.04.2023
LV05.04.2023
MC05.04.2023
PL05.04.2023
RO05.04.2023
RS05.04.2023
SE05.04.2023
SI05.04.2023
SK05.04.2023
SM05.04.2023
NO05.07.2023
GR06.07.2023
IS05.08.2023
PT07.08.2023
[2024/45]
Former [2024/26]CZ05.04.2023
EE05.04.2023
ES05.04.2023
FI05.04.2023
HR05.04.2023
IT05.04.2023
LT05.04.2023
LV05.04.2023
PL05.04.2023
RO05.04.2023
RS05.04.2023
SE05.04.2023
SI05.04.2023
SK05.04.2023
SM05.04.2023
NO05.07.2023
GR06.07.2023
IS05.08.2023
PT07.08.2023
Former [2024/10]CZ05.04.2023
EE05.04.2023
ES05.04.2023
FI05.04.2023
HR05.04.2023
LT05.04.2023
LV05.04.2023
PL05.04.2023
RO05.04.2023
RS05.04.2023
SE05.04.2023
SK05.04.2023
SM05.04.2023
NO05.07.2023
GR06.07.2023
IS05.08.2023
PT07.08.2023
Former [2024/08]ES05.04.2023
FI05.04.2023
HR05.04.2023
LT05.04.2023
LV05.04.2023
PL05.04.2023
RS05.04.2023
SE05.04.2023
SK05.04.2023
SM05.04.2023
NO05.07.2023
GR06.07.2023
IS05.08.2023
PT07.08.2023
Former [2024/03]ES05.04.2023
FI05.04.2023
HR05.04.2023
LT05.04.2023
LV05.04.2023
PL05.04.2023
RS05.04.2023
SE05.04.2023
NO05.07.2023
GR06.07.2023
IS05.08.2023
PT07.08.2023
Former [2024/01]ES05.04.2023
HR05.04.2023
LT05.04.2023
LV05.04.2023
PL05.04.2023
RS05.04.2023
SE05.04.2023
NO05.07.2023
GR06.07.2023
IS05.08.2023
PT07.08.2023
Former [2023/51]ES05.04.2023
HR05.04.2023
PL05.04.2023
RS05.04.2023
SE05.04.2023
NO05.07.2023
GR06.07.2023
IS05.08.2023
PT07.08.2023
Former [2023/50]ES05.04.2023
PL05.04.2023
SE05.04.2023
NO05.07.2023
GR06.07.2023
IS05.08.2023
PT07.08.2023
Former [2023/48]ES05.04.2023
SE05.04.2023
NO05.07.2023
PT07.08.2023
Former [2023/46]ES05.04.2023
PT07.08.2023
Cited inInternational search[X]US4752712  (TOMITA MASAHIRO [JP], et al);
 [X]DE102004012284  (DENSO CORP [JP]);
 [A]EP1793430  (DELPHI TECH INC [US]);
 [X]WO2008105381  (DENSO CORP [JP], et al);
 [X]WO2015174651  (UNIV ULSAN FOUND FOR IND COOP [KR], et al)
by applicantUS4384230
 US4721447
 WO03105246
 US2006066178
 JP2006179525
 JP2006216850
 JP2006229068
 WO2006100247
 US7309945
 US2010140379
 US2010139621
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.