blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP3786957

EP3786957 - TUNNEL MAGNETORESISTANCE (TMR) ELEMENT HAVING COBALT IRON AND TANTALUM LAYERS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  27.04.2024
Database last updated on 30.09.2024
FormerThe patent has been granted
Status updated on  19.05.2023
FormerGrant of patent is intended
Status updated on  15.03.2023
FormerRequest for examination was made
Status updated on  10.09.2021
FormerThe application has been published
Status updated on  29.01.2021
Most recent event   Tooltip02.08.2024Lapse of the patent in a contracting state
New state(s): BE		published on 04.09.2024  [2024/36]
Applicant(s)For all designated states
Allegro MicroSystems, LLC
955 Perimeter Road
Manchester, NH 03103-3353 / US
[2021/09]
Inventor(s)01 / CAMPIGLIO, Paolo
7 Allée Simone de Beauvoir
94110 Arcueil / FR
02 / HAMDACHE, Amal
7 rue Minfeld
91470 Limours / FR
03 / VOILLOT, Julien
39 Avenue Charles de Gaulle
91190 Chilly Mazarin / FR
 [2021/09]
Representative(s)South, Nicholas Geoffrey
AA Thornton IP LLP
8th Floor, 125 Old Broad Street
London EC2N 1AR / GB
[N/P]
Former [2023/25]South, Nicholas Geoffrey
AA Thornton IP LLP
Octagon Point
5 Cheapside
London EC2V 6AA / GB
Former [2021/09]South, Nicholas Geoffrey
A.A. Thornton & Co.
Octagon Point
5 Cheapside
London EC2V 6AA / GB
Application number, filing date20192931.226.08.2020
[2021/09]
Priority number, dateUS201962894114P30.08.2019         Original published format: US 201962894114 P
US20191657441918.09.2019         Original published format: US201916574419
[2021/09]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3786957
Date:03.03.2021
Language:EN
[2021/09]
Type: B1 Patent specification 
No.:EP3786957
Date:21.06.2023
Language:EN
[2023/25]
Search report(s)(Supplementary) European search report - dispatched on:EP22.01.2021
ClassificationIPC:G11C11/16, H10N50/10, H10N50/85
[2023/09]
CPC:
G11C11/161 (EP); H10N50/85 (EP,US); H01F10/3254 (US);
H10N50/10 (EP)
Former IPC [2021/09]G11C11/16, H01L43/08
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 [2021/41]
Former [2021/09]AL,  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 
TitleGerman:ELEMENT MIT TUNNELMAGNETWIDERSTAND (TMR) MIT KOBALTEISEN- UND TANTALSCHICHTEN[2021/09]
English:TUNNEL MAGNETORESISTANCE (TMR) ELEMENT HAVING COBALT IRON AND TANTALUM LAYERS[2021/09]
French:ÉLÉMENT DE MAGNÉTORÉSISTANCE TUNNEL (TMR) AYANT DES COUCHES DE FER-COBALT ET DE TANTALE[2021/09]
Examination procedure02.09.2021Amendment by applicant (claims and/or description)
02.09.2021Examination requested  [2021/41]
02.09.2021Date on which the examining division has become responsible
16.03.2023Communication of intention to grant the patent
15.05.2023Fee for grant paid
15.05.2023Fee for publishing/printing paid
15.05.2023Receipt of the translation of the claim(s)
Opposition(s)22.03.2024No opposition filed within time limit [2024/22]
Fees paidRenewal fee
18.07.2022Renewal fee patent year 03
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  TooltipAT21.06.2023
CZ21.06.2023
DK21.06.2023
EE21.06.2023
ES21.06.2023
FI21.06.2023
HR21.06.2023
IT21.06.2023
LT21.06.2023
LV21.06.2023
MC21.06.2023
NL21.06.2023
PL21.06.2023
RO21.06.2023
RS21.06.2023
SE21.06.2023
SI21.06.2023
SK21.06.2023
SM21.06.2023
IE26.08.2023
LU26.08.2023
BE31.08.2023
CH31.08.2023
NO21.09.2023
GR22.09.2023
IS21.10.2023
PT23.10.2023
[2024/36]
Former [2024/33]AT21.06.2023
CZ21.06.2023
DK21.06.2023
EE21.06.2023
ES21.06.2023
FI21.06.2023
HR21.06.2023
IT21.06.2023
LT21.06.2023
LV21.06.2023
MC21.06.2023
NL21.06.2023
PL21.06.2023
RO21.06.2023
RS21.06.2023
SE21.06.2023
SI21.06.2023
SK21.06.2023
SM21.06.2023
IE26.08.2023
LU26.08.2023
CH31.08.2023
NO21.09.2023
GR22.09.2023
IS21.10.2023
PT23.10.2023
Former [2024/26]AT21.06.2023
CZ21.06.2023
DK21.06.2023
EE21.06.2023
ES21.06.2023
FI21.06.2023
HR21.06.2023
IT21.06.2023
LT21.06.2023
LV21.06.2023
MC21.06.2023
NL21.06.2023
PL21.06.2023
RO21.06.2023
RS21.06.2023
SE21.06.2023
SI21.06.2023
SK21.06.2023
SM21.06.2023
LU26.08.2023
CH31.08.2023
NO21.09.2023
GR22.09.2023
IS21.10.2023
PT23.10.2023
Former [2024/22]AT21.06.2023
CZ21.06.2023
DK21.06.2023
EE21.06.2023
ES21.06.2023
FI21.06.2023
HR21.06.2023
LT21.06.2023
LV21.06.2023
MC21.06.2023
NL21.06.2023
PL21.06.2023
RO21.06.2023
RS21.06.2023
SE21.06.2023
SK21.06.2023
SM21.06.2023
LU26.08.2023
NO21.09.2023
GR22.09.2023
IS21.10.2023
PT23.10.2023
Former [2024/21]AT21.06.2023
CZ21.06.2023
EE21.06.2023
ES21.06.2023
FI21.06.2023
HR21.06.2023
LT21.06.2023
LV21.06.2023
MC21.06.2023
NL21.06.2023
PL21.06.2023
RO21.06.2023
RS21.06.2023
SE21.06.2023
SK21.06.2023
SM21.06.2023
LU26.08.2023
NO21.09.2023
GR22.09.2023
IS21.10.2023
PT23.10.2023
Former [2024/16]AT21.06.2023
CZ21.06.2023
EE21.06.2023
ES21.06.2023
FI21.06.2023
HR21.06.2023
LT21.06.2023
LV21.06.2023
MC21.06.2023
NL21.06.2023
PL21.06.2023
RO21.06.2023
RS21.06.2023
SE21.06.2023
SK21.06.2023
SM21.06.2023
NO21.09.2023
GR22.09.2023
IS21.10.2023
PT23.10.2023
Former [2024/10]AT21.06.2023
CZ21.06.2023
EE21.06.2023
ES21.06.2023
FI21.06.2023
HR21.06.2023
LT21.06.2023
LV21.06.2023
NL21.06.2023
PL21.06.2023
RO21.06.2023
RS21.06.2023
SE21.06.2023
SK21.06.2023
SM21.06.2023
NO21.09.2023
GR22.09.2023
IS21.10.2023
PT23.10.2023
Former [2024/09]AT21.06.2023
CZ21.06.2023
ES21.06.2023
FI21.06.2023
HR21.06.2023
LT21.06.2023
LV21.06.2023
NL21.06.2023
RS21.06.2023
SE21.06.2023
SK21.06.2023
SM21.06.2023
NO21.09.2023
GR22.09.2023
IS21.10.2023
Former [2024/08]FI21.06.2023
HR21.06.2023
LT21.06.2023
LV21.06.2023
NL21.06.2023
RS21.06.2023
SE21.06.2023
SK21.06.2023
SM21.06.2023
NO21.09.2023
GR22.09.2023
Former [2024/03]FI21.06.2023
HR21.06.2023
LT21.06.2023
LV21.06.2023
NL21.06.2023
RS21.06.2023
SE21.06.2023
NO21.09.2023
GR22.09.2023
Former [2024/01]HR21.06.2023
LT21.06.2023
LV21.06.2023
NL21.06.2023
RS21.06.2023
SE21.06.2023
NO21.09.2023
GR22.09.2023
Former [2023/52]HR21.06.2023
NL21.06.2023
RS21.06.2023
SE21.06.2023
NO21.09.2023
GR22.09.2023
Former [2023/51]HR21.06.2023
RS21.06.2023
SE21.06.2023
NO21.09.2023
GR22.09.2023
Former [2023/50]SE21.06.2023
NO21.09.2023
GR22.09.2023
Former [2023/48]SE21.06.2023
NO21.09.2023
Documents cited:Search[A]US6937497  (JU KOCHAN [US], et al);
 [A]US2007253118  (HAYAKAWA JUN [JP], et al);
 [XI]US2012070695  (KITAGAWA EIJI [JP], et al);
 [XI]US2012280336  (JAN GUENOLE [US], et al);
 [I]EP2880665  (MAGIC TECHNOLOGIES INC [US]);
 [I]US2016204341  (GAN HUADONG [US], et al);
 [A]EP3288091  (ALLEGRO MICROSYSTEMS LLC [US]);
 [A]US2019051822  (CHATTERJEE JOYTIRMOY [IN], et al);
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.