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
FAQ - Register Alert
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: EP3967661

EP3967661 - PROCESS FOR PREPARING BATTERY GRADE METAL SULPHATE SOLUTIONS [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  23.06.2023
Database last updated on 13.09.2024
FormerGrant of patent is intended
Status updated on  08.03.2023
FormerExamination is in progress
Status updated on  15.04.2022
FormerRequest for examination was made
Status updated on  25.02.2022
FormerThe application has been published
Status updated on  11.02.2022
Most recent event   Tooltip07.06.2024Lapse of the patent in a contracting state
New state(s): MC		published on 10.07.2024  [2024/28]
Applicant(s)For all designated states
Northvolt AB
Alströmergatan 20
112 47 Stockholm / SE
For all designated states
Metal Trade Overseas AG
Baarestrasse 18
6302 Zug / CH
[2023/30]
Former [2022/11]For all designated states
Northvolt AB
Gamla Brogatan 26
11120 Stockholm / SE
For all designated states
Metal Trade Overseas AG
Baarestrasse 18
6302 Zug / CH
Inventor(s)01 / LANTTO, Cornelia
132 49 Saltsjö Boo / SE
02 / NIEMI, Tom
67100 Karleby / FI
03 / ALISAARI, Pekka
31400 Somero / FI
04 / LINDELL, Esa
28360 Pori / FI
05 / LUOMA, Rauno
28220 Pori / FI
06 / LAUKKANEN, Tuomo
32710 Sampu / FI
07 / TYNJÄLÄ, Pekka
80260 Joensuu / FI
08 / LASSI, Ulla
90450 Kempele / FI
 [2023/30]
Former [2022/11]01 / LANTTO, Cornelia
122 44 Enskede / SE
02 / NIEMI, Tom
67100 Karleby / FI
03 / ALISAARI, Pekka
31400 Somero / FI
04 / LINDELL, Esa
28360 Pori / FI
05 / LUOMA, Rauno
28220 Pori / FI
06 / LAUKKANEN, Tuomo
32710 Sampu / FI
07 / TYNJÄLÄ, Pekka
80260 Joensuu / FI
08 / LASSI, Ulla
90450 Kempele / FI
Representative(s)AWA Sweden AB
Box 5117
200 71 Malmö / SE
[N/P]
Former [2022/11]Kransell & Wennborg KB
P.O. Box 27834
115 93 Stockholm / SE
Application number, filing date20195318.909.09.2020
[2022/11]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3967661
Date:16.03.2022
Language:EN
[2022/11]
Type: B1 Patent specification 
No.:EP3967661
Date:26.07.2023
Language:EN
[2023/30]
Search report(s)(Supplementary) European search report - dispatched on:EP05.03.2021
ClassificationIPC:C01G53/10, C22B7/00, C01G51/10
[2022/11]
CPC data not yet available
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 [2022/13]  
Former [2022/11]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:VERFAHREN ZUR HERSTELLUNG VON METALLSULFATLÖSUNGEN IN BATTERIEQUALITÄT[2022/11]
English:PROCESS FOR PREPARING BATTERY GRADE METAL SULPHATE SOLUTIONS[2022/11]
French:PROCÉDÉ DE PRÉPARATION DE SOLUTIONS DE SULFATE DE MÉTAL DE QUALITÉ DE BATTERIE[2022/11]
Examination procedure20.08.2021Amendment by applicant (claims and/or description)
23.02.2022Examination requested  [2022/13]
23.02.2022Date on which the examining division has become responsible
21.04.2022Despatch of a communication from the examining division (Time limit: M04)
05.07.2022Reply to a communication from the examining division
02.09.2022Despatch of a communication from the examining division (Time limit: M04)
14.09.2022Observations by third parties
24.10.2022Reply to a communication from the examining division
14.11.2022Observations by third parties
12.12.2022Despatch of a communication from the examining division (Time limit: M04)
07.02.2023Reply to a communication from the examining division
09.03.2023Communication of intention to grant the patent
15.06.2023Fee for grant paid
15.06.2023Fee for publishing/printing paid
15.06.2023Receipt of the translation of the claim(s)
Divisional application(s)EP23179669.9  / EP4234496
Opposition(s)Opponent(s)01  25.04.2024  01.05.2024  ADMISSIBLE
Umicore
Rue du Marais 31
1000 Brussels / BE
Opponent's representative
Umicore RDI Patent Department
Watertorenstraat 33
2250 Olen / BE
 02  26.04.2024  01.05.2024  ADMISSIBLE
Glencore Nikkelverk AS
P. O. Box 604
4606 Kristiansand / NO
Opponent's representative
Onsagers AS
P.O. Box 1813 Vika
0123 Oslo / NO
 [2024/23]
15.05.2024Invitation to proprietor to file observations on the notice of opposition
Fees paidRenewal fee
16.08.2022Renewal 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  TooltipCZ26.07.2023
HR26.07.2023
MC26.07.2023
RO26.07.2023
RS26.07.2023
SK26.07.2023
SM26.07.2023
GR27.10.2023
IS26.11.2023
[2024/28]
Former [2024/23]CZ26.07.2023
HR26.07.2023
RO26.07.2023
RS26.07.2023
SK26.07.2023
SM26.07.2023
GR27.10.2023
IS26.11.2023
Former [2024/20]HR26.07.2023
RS26.07.2023
SM26.07.2023
GR27.10.2023
IS26.11.2023
Former [2024/11]HR26.07.2023
RS26.07.2023
GR27.10.2023
IS26.11.2023
Former [2024/09]GR27.10.2023
IS26.11.2023
Documents cited:Search[XY]GB2104053  (INCO LTD [CA]);
 [XI]JPS6345131  (SUMITOMO METAL MINING CO);
 [XDA]US7364717  (FIERRO CRISTIAN [US], et al);
 [YA]US7799296  (FETCENKO MICHAEL A [US], et al);
 [XI]WO2014009208  (BASF SE [DE], et al)
ExaminationCN104532295B
 CN107739059
by applicantUS7364717
 US9416023
otherJP2011126757
 US9321656
 WO2022053448
OppositionUS2533245
 US3777003
 US3902896
 US3958947
 GB2104053
 US5250273
 US6554915
 US7364717
 WO2009146485
 US7799296
 JP2011126757
 US2015175438
 CN107739059
 DE102018005586
 SU385927
 CA1210592
 CA2008063
 US9321656
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.