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Extract from the Register of European Patents

EP About this file: EP3536827

EP3536827 - SURFACE PROCESSING METHOD FOR TANTALUM SPINNING HEAD [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  02.12.2022
Database last updated on 03.10.2024
FormerThe patent has been granted
Status updated on  24.12.2021
FormerGrant of patent is intended
Status updated on  18.08.2021
FormerRequest for examination was made
Status updated on  09.08.2019
FormerThe international publication has been made
Status updated on  11.09.2018
Most recent event   Tooltip27.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 30.10.2024 [2024/44]
Applicant(s)For all designated states
Beijing Huayu Chuangxin TA-NB Science & Technology Co., Ltd.
15 Leyuan Street
Yanxi Development Area
Huairou District
Beijing 101407 / CN
For all designated states
Beijing Huayu Chuangxin Science & Trade Co., Ltd.
15 Leyuan Street
Yanxi Development Area
Huairou District
Beijing 101407 / CN
[2019/37]
Inventor(s)01 / LIU, Yuzhong
No. 31 Ren Ai Hutong
Hui Gu Gen Yuan
No. 2 Guang Ze Road
Wangjing, Chaoyang District
Beijing 100102 / CN
 [2019/37]
Representative(s)Herzog IP Patentanwalts GmbH
Steinstraße 16-18
40212 Düsseldorf / DE
[2022/04]
Former [2019/37]Altmann Stößel Dick Patentanwälte PartG mbB
Immermannstrasse 40
40210 Düsseldorf / DE
Application number, filing date18761041.502.03.2018
[2019/37]
WO2018CN77938
Priority number, dateCN20171012479703.03.2017         Original published format: CN201710124797
CN20171058799919.07.2017         Original published format: CN201710587999
[2019/37]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2018157867
Date:07.09.2018
Language:ZH
[2018/36]
Type: A1 Application with search report 
No.:EP3536827
Date:11.09.2019
Language:EN
[2019/37]
Type: B1 Patent specification 
No.:EP3536827
Date:26.01.2022
Language:EN
[2022/04]
Type: B9 Corrected patent specification 
No.:EP3536827
Date:18.05.2022
[2022/20]
Search report(s)International search report - published on:CN07.09.2018
(Supplementary) European search report - dispatched on:EP01.04.2020
ClassificationIPC:C25D11/26, D01D4/02
[2019/37]
CPC:
C23C28/042 (EP,CN); C23C28/04 (EP); C25D11/26 (EP,CN);
C25D9/04 (CN); D01D4/022 (EP)
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 [2019/37]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:OBERFLÄCHENVERARBEITUNGSVERFAHREN FÜR TANTALSPINNKOPF[2019/37]
English:SURFACE PROCESSING METHOD FOR TANTALUM SPINNING HEAD[2019/37]
French:PROCÉDÉ DE TRAITEMENT DE SURFACE DESTINÉ À UNE TÊTE DE REPOUSSAGE DE TANTALE[2019/37]
Entry into regional phase07.06.2019Translation filed 
07.06.2019National basic fee paid 
07.06.2019Search fee paid 
07.06.2019Designation fee(s) paid 
07.06.2019Examination fee paid 
Examination procedure07.06.2019Examination requested  [2019/37]
15.07.2020Amendment by applicant (claims and/or description)
19.08.2021Communication of intention to grant the patent
20.12.2021Fee for grant paid
20.12.2021Fee for publishing/printing paid
20.12.2021Receipt of the translation of the claim(s)
Opposition(s)27.10.2022No opposition filed within time limit [2023/01]
Fees paidRenewal fee
22.03.2020Renewal fee patent year 03
20.03.2021Renewal 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.
Lapses during opposition  TooltipHU02.03.2018
AL26.01.2022
CY26.01.2022
CZ26.01.2022
DK26.01.2022
EE26.01.2022
FI26.01.2022
HR26.01.2022
LT26.01.2022
LV26.01.2022
MC26.01.2022
MK26.01.2022
MT26.01.2022
NL26.01.2022
PL26.01.2022
RO26.01.2022
RS26.01.2022
SE26.01.2022
SI26.01.2022
SK26.01.2022
SM26.01.2022
IE02.03.2022
LU02.03.2022
BE31.03.2022
CH31.03.2022
LI31.03.2022
NO26.04.2022
GR27.04.2022
IS26.05.2022
PT26.05.2022
[2024/44]
Former [2024/24]HU02.03.2018
AL26.01.2022
CY26.01.2022
CZ26.01.2022
DK26.01.2022
EE26.01.2022
FI26.01.2022
HR26.01.2022
LT26.01.2022
LV26.01.2022
MC26.01.2022
MK26.01.2022
NL26.01.2022
PL26.01.2022
RO26.01.2022
RS26.01.2022
SE26.01.2022
SI26.01.2022
SK26.01.2022
SM26.01.2022
IE02.03.2022
LU02.03.2022
BE31.03.2022
CH31.03.2022
LI31.03.2022
NO26.04.2022
GR27.04.2022
IS26.05.2022
PT26.05.2022
Former [2024/23]AL26.01.2022
CY26.01.2022
CZ26.01.2022
DK26.01.2022
EE26.01.2022
FI26.01.2022
HR26.01.2022
LT26.01.2022
LV26.01.2022
MC26.01.2022
MK26.01.2022
NL26.01.2022
PL26.01.2022
RO26.01.2022
RS26.01.2022
SE26.01.2022
SI26.01.2022
SK26.01.2022
SM26.01.2022
IE02.03.2022
LU02.03.2022
BE31.03.2022
CH31.03.2022
LI31.03.2022
NO26.04.2022
GR27.04.2022
IS26.05.2022
PT26.05.2022
Former [2024/20]AL26.01.2022
CY26.01.2022
CZ26.01.2022
DK26.01.2022
EE26.01.2022
FI26.01.2022
HR26.01.2022
LT26.01.2022
LV26.01.2022
MC26.01.2022
NL26.01.2022
PL26.01.2022
RO26.01.2022
RS26.01.2022
SE26.01.2022
SI26.01.2022
SK26.01.2022
SM26.01.2022
IE02.03.2022
LU02.03.2022
BE31.03.2022
CH31.03.2022
LI31.03.2022
NO26.04.2022
GR27.04.2022
IS26.05.2022
PT26.05.2022
Former [2023/10]AL26.01.2022
CZ26.01.2022
DK26.01.2022
EE26.01.2022
FI26.01.2022
HR26.01.2022
LT26.01.2022
LV26.01.2022
MC26.01.2022
NL26.01.2022
PL26.01.2022
RO26.01.2022
RS26.01.2022
SE26.01.2022
SI26.01.2022
SK26.01.2022
SM26.01.2022
IE02.03.2022
LU02.03.2022
BE31.03.2022
CH31.03.2022
LI31.03.2022
NO26.04.2022
GR27.04.2022
IS26.05.2022
PT26.05.2022
Former [2023/09]AL26.01.2022
CZ26.01.2022
DK26.01.2022
EE26.01.2022
FI26.01.2022
HR26.01.2022
LT26.01.2022
LV26.01.2022
MC26.01.2022
NL26.01.2022
PL26.01.2022
RO26.01.2022
RS26.01.2022
SE26.01.2022
SK26.01.2022
SM26.01.2022
IE02.03.2022
LU02.03.2022
CH31.03.2022
LI31.03.2022
NO26.04.2022
GR27.04.2022
IS26.05.2022
PT26.05.2022
Former [2023/08]AL26.01.2022
CZ26.01.2022
DK26.01.2022
EE26.01.2022
FI26.01.2022
HR26.01.2022
LT26.01.2022
LV26.01.2022
MC26.01.2022
NL26.01.2022
PL26.01.2022
RO26.01.2022
RS26.01.2022
SE26.01.2022
SK26.01.2022
SM26.01.2022
IE02.03.2022
LU02.03.2022
NO26.04.2022
GR27.04.2022
IS26.05.2022
PT26.05.2022
Former [2023/01]AL26.01.2022
CZ26.01.2022
DK26.01.2022
EE26.01.2022
FI26.01.2022
HR26.01.2022
LT26.01.2022
LV26.01.2022
MC26.01.2022
NL26.01.2022
PL26.01.2022
RO26.01.2022
RS26.01.2022
SE26.01.2022
SK26.01.2022
SM26.01.2022
NO26.04.2022
GR27.04.2022
IS26.05.2022
PT26.05.2022
Former [2022/49]CZ26.01.2022
DK26.01.2022
EE26.01.2022
FI26.01.2022
HR26.01.2022
LT26.01.2022
LV26.01.2022
MC26.01.2022
NL26.01.2022
PL26.01.2022
RO26.01.2022
RS26.01.2022
SE26.01.2022
SK26.01.2022
SM26.01.2022
NO26.04.2022
GR27.04.2022
IS26.05.2022
PT26.05.2022
Former [2022/48]CZ26.01.2022
DK26.01.2022
EE26.01.2022
FI26.01.2022
HR26.01.2022
LT26.01.2022
LV26.01.2022
MC26.01.2022
NL26.01.2022
PL26.01.2022
RO26.01.2022
RS26.01.2022
SE26.01.2022
SM26.01.2022
NO26.04.2022
GR27.04.2022
IS26.05.2022
PT26.05.2022
Former [2022/47]DK26.01.2022
FI26.01.2022
HR26.01.2022
LT26.01.2022
LV26.01.2022
MC26.01.2022
NL26.01.2022
PL26.01.2022
RO26.01.2022
RS26.01.2022
SE26.01.2022
SM26.01.2022
NO26.04.2022
GR27.04.2022
IS26.05.2022
PT26.05.2022
Former [2022/46]DK26.01.2022
FI26.01.2022
HR26.01.2022
LT26.01.2022
LV26.01.2022
NL26.01.2022
PL26.01.2022
RS26.01.2022
SE26.01.2022
NO26.04.2022
GR27.04.2022
IS26.05.2022
PT26.05.2022
Former [2022/42]FI26.01.2022
HR26.01.2022
LT26.01.2022
LV26.01.2022
NL26.01.2022
PL26.01.2022
RS26.01.2022
SE26.01.2022
NO26.04.2022
GR27.04.2022
IS26.05.2022
PT26.05.2022
Former [2022/39]FI26.01.2022
HR26.01.2022
LT26.01.2022
LV26.01.2022
NL26.01.2022
PL26.01.2022
RS26.01.2022
SE26.01.2022
NO26.04.2022
GR27.04.2022
PT26.05.2022
Former [2022/36]HR26.01.2022
LT26.01.2022
LV26.01.2022
NL26.01.2022
PL26.01.2022
RS26.01.2022
SE26.01.2022
NO26.04.2022
GR27.04.2022
PT26.05.2022
Former [2022/35]HR26.01.2022
LT26.01.2022
NL26.01.2022
RS26.01.2022
SE26.01.2022
NO26.04.2022
PT26.05.2022
Former [2022/34]LT26.01.2022
NL26.01.2022
NO26.04.2022
PT26.05.2022
Former [2022/33]LT26.01.2022
NL26.01.2022
NO26.04.2022
Former [2022/30]NL26.01.2022
Documents cited:Search[XA]EP0196093  (ZHONG LIU YU) [X] 1,2,4,6-8,10,13-15 * the whole document *[A] 3,5,9,11,12;
 [XA]JPS62230997  (RIYU YU TSUON) [X] 1,2,4,6-8,10,13-15 * the whole document * [A] 3,5,9,11,12
International search[X]CN85101505  ;
 [X]US4678546  (YU-ZHONG LIU [CN]);
 [X]CN86102269  ;
 [X]CN1380450  (BEIJING HUAYU CHUANGXI SCIENCE [CN]);
 [X]CN1428465  (BEIJING HUAYU CHUANGXI SCIENCE [CN]);
 [A]CN1896303  (UNIV SHANGHAI COMMUNICATION [CN])
by applicantCN19851001505
 CN19861002269
 CN20021006915
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.