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Extract from the Register of European Patents

EP About this file: EP3828904

EP3828904 - METHOD OF IMPROVING COERCIVITY OF AN ARC-SHAPED ND-FE-B MAGNET [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.05.2023
Database last updated on 15.01.2025
FormerThe patent has been granted
Status updated on  03.06.2022
FormerGrant of patent is intended
Status updated on  14.03.2022
FormerRequest for examination was made
Status updated on  30.04.2021
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
Yantai Shougang Magnetic Materials Inc.
888 Yongda Street
Fushan District
Yantai City
265500 / CN
[2021/22]
Inventor(s)01 / Yang, Kunkun
No. 888 Yongda Street
Fushan District
Yantai-City, 265500 / CN
02 / Wang, Chuanshen
No. 888 Yongda Street
Fushan District
Yantai-City, 265500 / CN
03 / Peng, Zhongjie
No. 888 Yongda Street
Fushan District
Yantai-City, 265500 / CN
04 / Ding, Kaihong
No. 888 Yongda Street
Fushan District
Yantai-City, 265500 / CN
 [2021/22]
Representative(s)Gulde & Partner
Patent- und Rechtsanwaltskanzlei mbB
Berliner Freiheit 2
10785 Berlin / DE
[N/P]
Former [2021/22]Gulde & Partner
Patent- und Rechtsanwaltskanzlei mbB
Wallstraße 58/59
10179 Berlin / DE
Application number, filing date20207119.712.11.2020
[2021/22]
Priority number, dateCN20191119548428.11.2019         Original published format: CN201911195484
[2021/22]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3828904
Date:02.06.2021
Language:EN
[2021/22]
Type: B1 Patent specification 
No.:EP3828904
Date:06.07.2022
Language:EN
[2022/27]
Search report(s)(Supplementary) European search report - dispatched on:EP29.04.2021
ClassificationIPC:H01F41/02
[2021/22]
CPC:
H01F41/0293 (EP,CN,US); H01F41/0266 (CN,US); B41M1/12 (US);
H01F1/0576 (US)
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 [2021/22]
TitleGerman:VERFAHREN ZUR VERBESSERUNG DER KOERZIVITÄT EINES BOGENFÖRMIGEN ND-FE-B-MAGNETEN[2021/22]
English:METHOD OF IMPROVING COERCIVITY OF AN ARC-SHAPED ND-FE-B MAGNET[2021/22]
French:PROCÉDÉ D'AMÉLIORATION DE LA COERCITIVITÉ D'UN AIMANT ND-FE-B EN FORME D'ARC[2021/22]
Examination procedure12.11.2020Examination requested  [2021/22]
15.03.2022Communication of intention to grant the patent
31.05.2022Fee for grant paid
31.05.2022Fee for publishing/printing paid
31.05.2022Receipt of the translation of the claim(s)
Opposition(s)11.04.2023No opposition filed within time limit [2023/24]
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  TooltipHU12.11.2020
AL06.07.2022
AT06.07.2022
BG06.07.2022
CY06.07.2022
CZ06.07.2022
DK06.07.2022
EE06.07.2022
ES06.07.2022
FI06.07.2022
HR06.07.2022
IT06.07.2022
LT06.07.2022
LV06.07.2022
MC06.07.2022
MK06.07.2022
MT06.07.2022
NL06.07.2022
PL06.07.2022
RO06.07.2022
RS06.07.2022
SE06.07.2022
SI06.07.2022
SK06.07.2022
SM06.07.2022
TR06.07.2022
NO06.10.2022
GR07.10.2022
IS06.11.2022
PT07.11.2022
IE12.11.2022
LU12.11.2022
BE30.11.2022
[2024/44]
Former [2024/34]HU12.11.2020
AL06.07.2022
AT06.07.2022
BG06.07.2022
CY06.07.2022
CZ06.07.2022
DK06.07.2022
EE06.07.2022
ES06.07.2022
FI06.07.2022
HR06.07.2022
IT06.07.2022
LT06.07.2022
LV06.07.2022
MC06.07.2022
MK06.07.2022
NL06.07.2022
PL06.07.2022
RO06.07.2022
RS06.07.2022
SE06.07.2022
SI06.07.2022
SK06.07.2022
SM06.07.2022
TR06.07.2022
NO06.10.2022
GR07.10.2022
IS06.11.2022
PT07.11.2022
IE12.11.2022
LU12.11.2022
BE30.11.2022
Former [2024/32]HU12.11.2020
AL06.07.2022
AT06.07.2022
CY06.07.2022
CZ06.07.2022
DK06.07.2022
EE06.07.2022
ES06.07.2022
FI06.07.2022
HR06.07.2022
IT06.07.2022
LT06.07.2022
LV06.07.2022
MC06.07.2022
MK06.07.2022
NL06.07.2022
PL06.07.2022
RO06.07.2022
RS06.07.2022
SE06.07.2022
SI06.07.2022
SK06.07.2022
SM06.07.2022
TR06.07.2022
NO06.10.2022
GR07.10.2022
IS06.11.2022
PT07.11.2022
IE12.11.2022
LU12.11.2022
BE30.11.2022
Former [2024/29]AL06.07.2022
AT06.07.2022
CY06.07.2022
CZ06.07.2022
DK06.07.2022
EE06.07.2022
ES06.07.2022
FI06.07.2022
HR06.07.2022
IT06.07.2022
LT06.07.2022
LV06.07.2022
MC06.07.2022
MK06.07.2022
NL06.07.2022
PL06.07.2022
RO06.07.2022
RS06.07.2022
SE06.07.2022
SI06.07.2022
SK06.07.2022
SM06.07.2022
TR06.07.2022
NO06.10.2022
GR07.10.2022
IS06.11.2022
PT07.11.2022
IE12.11.2022
LU12.11.2022
BE30.11.2022
Former [2024/27]AL06.07.2022
AT06.07.2022
CY06.07.2022
CZ06.07.2022
DK06.07.2022
EE06.07.2022
ES06.07.2022
FI06.07.2022
HR06.07.2022
IT06.07.2022
LT06.07.2022
LV06.07.2022
MC06.07.2022
MK06.07.2022
NL06.07.2022
PL06.07.2022
RO06.07.2022
RS06.07.2022
SE06.07.2022
SI06.07.2022
SK06.07.2022
SM06.07.2022
NO06.10.2022
GR07.10.2022
IS06.11.2022
PT07.11.2022
IE12.11.2022
LU12.11.2022
BE30.11.2022
Former [2024/21]AL06.07.2022
AT06.07.2022
CY06.07.2022
CZ06.07.2022
DK06.07.2022
EE06.07.2022
ES06.07.2022
FI06.07.2022
HR06.07.2022
IT06.07.2022
LT06.07.2022
LV06.07.2022
MC06.07.2022
NL06.07.2022
PL06.07.2022
RO06.07.2022
RS06.07.2022
SE06.07.2022
SI06.07.2022
SK06.07.2022
SM06.07.2022
NO06.10.2022
GR07.10.2022
IS06.11.2022
PT07.11.2022
IE12.11.2022
LU12.11.2022
BE30.11.2022
Former [2024/11]AL06.07.2022
AT06.07.2022
CZ06.07.2022
DK06.07.2022
EE06.07.2022
ES06.07.2022
FI06.07.2022
HR06.07.2022
IT06.07.2022
LT06.07.2022
LV06.07.2022
MC06.07.2022
NL06.07.2022
PL06.07.2022
RO06.07.2022
RS06.07.2022
SE06.07.2022
SI06.07.2022
SK06.07.2022
SM06.07.2022
NO06.10.2022
GR07.10.2022
IS06.11.2022
PT07.11.2022
IE12.11.2022
LU12.11.2022
BE30.11.2022
Former [2023/49]AL06.07.2022
AT06.07.2022
CZ06.07.2022
DK06.07.2022
EE06.07.2022
ES06.07.2022
FI06.07.2022
HR06.07.2022
LT06.07.2022
LV06.07.2022
MC06.07.2022
NL06.07.2022
PL06.07.2022
RO06.07.2022
RS06.07.2022
SE06.07.2022
SI06.07.2022
SK06.07.2022
SM06.07.2022
NO06.10.2022
GR07.10.2022
IS06.11.2022
PT07.11.2022
IE12.11.2022
LU12.11.2022
BE30.11.2022
Former [2023/48]AL06.07.2022
AT06.07.2022
CZ06.07.2022
DK06.07.2022
EE06.07.2022
ES06.07.2022
FI06.07.2022
HR06.07.2022
LT06.07.2022
LV06.07.2022
MC06.07.2022
NL06.07.2022
PL06.07.2022
RO06.07.2022
RS06.07.2022
SE06.07.2022
SI06.07.2022
SK06.07.2022
SM06.07.2022
NO06.10.2022
GR07.10.2022
IS06.11.2022
PT07.11.2022
IE12.11.2022
LU12.11.2022
Former [2023/37]AL06.07.2022
AT06.07.2022
CZ06.07.2022
DK06.07.2022
EE06.07.2022
ES06.07.2022
FI06.07.2022
HR06.07.2022
LT06.07.2022
LV06.07.2022
MC06.07.2022
NL06.07.2022
PL06.07.2022
RO06.07.2022
RS06.07.2022
SE06.07.2022
SI06.07.2022
SK06.07.2022
SM06.07.2022
NO06.10.2022
GR07.10.2022
IS06.11.2022
PT07.11.2022
LU12.11.2022
Former [2023/31]AL06.07.2022
AT06.07.2022
CZ06.07.2022
DK06.07.2022
EE06.07.2022
ES06.07.2022
FI06.07.2022
HR06.07.2022
LT06.07.2022
LV06.07.2022
MC06.07.2022
NL06.07.2022
PL06.07.2022
RO06.07.2022
RS06.07.2022
SE06.07.2022
SK06.07.2022
SM06.07.2022
NO06.10.2022
GR07.10.2022
IS06.11.2022
PT07.11.2022
Former [2023/29]AL06.07.2022
AT06.07.2022
CZ06.07.2022
DK06.07.2022
EE06.07.2022
ES06.07.2022
FI06.07.2022
HR06.07.2022
LT06.07.2022
LV06.07.2022
NL06.07.2022
PL06.07.2022
RO06.07.2022
RS06.07.2022
SE06.07.2022
SK06.07.2022
SM06.07.2022
NO06.10.2022
GR07.10.2022
IS06.11.2022
PT07.11.2022
Former [2023/23]AT06.07.2022
CZ06.07.2022
DK06.07.2022
EE06.07.2022
ES06.07.2022
FI06.07.2022
HR06.07.2022
LT06.07.2022
LV06.07.2022
NL06.07.2022
PL06.07.2022
RO06.07.2022
RS06.07.2022
SE06.07.2022
SK06.07.2022
SM06.07.2022
NO06.10.2022
GR07.10.2022
IS06.11.2022
PT07.11.2022
Former [2023/22]AT06.07.2022
CZ06.07.2022
DK06.07.2022
ES06.07.2022
FI06.07.2022
HR06.07.2022
LT06.07.2022
LV06.07.2022
NL06.07.2022
PL06.07.2022
RO06.07.2022
RS06.07.2022
SE06.07.2022
SM06.07.2022
NO06.10.2022
GR07.10.2022
IS06.11.2022
PT07.11.2022
Former [2023/21]DK06.07.2022
ES06.07.2022
FI06.07.2022
HR06.07.2022
LT06.07.2022
LV06.07.2022
NL06.07.2022
PL06.07.2022
RS06.07.2022
SE06.07.2022
SM06.07.2022
NO06.10.2022
GR07.10.2022
IS06.11.2022
PT07.11.2022
Former [2023/20]ES06.07.2022
FI06.07.2022
HR06.07.2022
LT06.07.2022
LV06.07.2022
NL06.07.2022
PL06.07.2022
RS06.07.2022
SE06.07.2022
SM06.07.2022
NO06.10.2022
GR07.10.2022
IS06.11.2022
PT07.11.2022
Former [2023/12]ES06.07.2022
FI06.07.2022
HR06.07.2022
LT06.07.2022
LV06.07.2022
NL06.07.2022
PL06.07.2022
RS06.07.2022
SE06.07.2022
NO06.10.2022
GR07.10.2022
IS06.11.2022
PT07.11.2022
Former [2023/11]ES06.07.2022
FI06.07.2022
HR06.07.2022
LT06.07.2022
LV06.07.2022
NL06.07.2022
PL06.07.2022
RS06.07.2022
SE06.07.2022
NO06.10.2022
GR07.10.2022
PT07.11.2022
Former [2023/10]ES06.07.2022
FI06.07.2022
HR06.07.2022
LT06.07.2022
LV06.07.2022
NL06.07.2022
RS06.07.2022
SE06.07.2022
NO06.10.2022
GR07.10.2022
PT07.11.2022
Former [2023/09]ES06.07.2022
FI06.07.2022
LT06.07.2022
LV06.07.2022
NL06.07.2022
RS06.07.2022
SE06.07.2022
NO06.10.2022
PT07.11.2022
Former [2023/08]ES06.07.2022
FI06.07.2022
LT06.07.2022
NL06.07.2022
RS06.07.2022
SE06.07.2022
NO06.10.2022
Former [2023/06]NL06.07.2022
Documents cited:Search[A]EP2772926  (INTERMETALLICS CO LTD [JP]) [A] 1-12 * figures 1A-1D,3A-3D; claims 1-11 *;
 [A]US2015097642  (TAKAGI SHINOBU [JP]) [A] 1-12 * paragraphs [0021] , [0022] , [0045] - [0047] - [0056]; figures 8A-8C; claim 13 *;
 [A]US2018102214  (SAKUMA DAISUKE [JP], et al) [A] 1-12 * figure 3; claims 1-3 *;
 [A]CN107424703B  (INNER MONGOLIA XINZHONGHENG MAGNETIC MAT CO LTD) [A] 1-12* figure 1; example 1 *
by applicantCN101375352
 CN103258633
 JP2018002390
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.