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Extract from the Register of European Patents

EP About this file: EP3824991

EP3824991 - PROCESS FOR PREPARING LITHIUM SULPHATE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  02.06.2023
Database last updated on 08.10.2024
FormerThe patent has been granted
Status updated on  24.06.2022
FormerGrant of patent is intended
Status updated on  20.02.2022
FormerRequest for examination was made
Status updated on  23.04.2021
Most recent event   Tooltip24.05.2024Lapse of the patent in a contracting state
New state(s): IT		published on 26.06.2024  [2024/26]
Applicant(s)For all designated states
Nemaska Lithium Inc.
450 rue de la Gare-du-Palais
1er étage
Québec, Québec G1K 3X2 / CA
[2021/21]
Inventor(s)01 / BOURASSA, Guy
281 rue Sabourin
Québec, Québec G1C 7G2 / CA
02 / PEARSE, Gary
3 Elmdate Avenue
Ottawa, Ontario K1M 1A3 / CA
03 / MACKIE, Stephen Charles
1463 Champlain Drive
Peterborough, Ontario K9L 1N3 / CA
04 / GLADKOVAS, Mykolas
2291 Lawrence Avenue West
Toronto, Ontario M9P 2A7 / CA
05 / SYMONS, Peter
4235 Thornwood Lane
Williamsville, NY New York 14221 / US
06 / GENDERS, J. David
1951 Woodard Road
Elma, NY New York 14059 / US
07 / MAGNAN, Jean-François
172 rue de l'Estran
Neuviille, Québec G0A 2R0 / CA
 [2021/21]
Representative(s)Sarpi, Maurizio, et al
Studio Ferrario S.r.l.
Via Collina, 36
00187 Roma / IT
[2021/21]
Application number, filing date20203899.823.04.2013
[2021/21]
Priority number, dateUS201261636869P23.04.2012         Original published format: US 201261636869 P
US201361755151P22.01.2013         Original published format: US 201361755151 P
[2021/21]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3824991
Date:26.05.2021
Language:EN
[2021/21]
Type: B1 Patent specification 
No.:EP3824991
Date:27.07.2022
Language:EN
[2022/30]
Search report(s)(Supplementary) European search report - dispatched on:EP23.04.2021
ClassificationIPC:C01D15/06, B01D61/44, C01D15/02, C25B1/14, C25B1/46, C22B1/02, C22B3/42, C22B26/12
[2022/10]
CPC:
B01D61/44 (EP,US); C25B1/16 (US); B01D61/422 (EP,US);
C01D15/02 (EP); C01D15/06 (EP); C01D15/08 (EP);
C22B1/02 (EP); C22B26/12 (EP,US); C22B3/42 (EP);
C22B7/006 (US); C25B1/14 (EP); C25B1/46 (EP);
Y02E60/36 (US); Y02P10/20 (EP) (-)
Former IPC [2021/21]B01D61/44, C25B1/14, C25B1/46, C01D15/00, C22B3/20
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 [2021/21]
TitleGerman:VERFAHREN ZUR HERSTELLUNG VON LITHIUMSULFAT[2021/21]
English:PROCESS FOR PREPARING LITHIUM SULPHATE[2021/21]
French:PROCÉDÉ DE PRÉPARATION D'SULFATE DE LITHIUM[2022/10]
Former [2021/21]PROCÉDÉ DE PRÉPARATION DE SULFAT DE LITHIUM
Examination procedure28.10.2020Examination requested  [2021/21]
25.11.2021Amendment by applicant (claims and/or description)
21.02.2022Communication of intention to grant the patent
17.06.2022Fee for grant paid
17.06.2022Fee for publishing/printing paid
17.06.2022Receipt of the translation of the claim(s)
Parent application(s)   TooltipEP13780798.8  / EP2841623
Opposition(s)02.05.2023No opposition filed within time limit [2023/27]
Fees paidRenewal fee
21.12.2020Renewal fee patent year 03
21.12.2020Renewal fee patent year 04
21.12.2020Renewal fee patent year 05
21.12.2020Renewal fee patent year 06
21.12.2020Renewal fee patent year 07
21.12.2020Renewal fee patent year 08
21.04.2021Renewal fee patent year 09
27.04.2022Renewal fee patent year 10
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  TooltipAL27.07.2022
AT27.07.2022
CZ27.07.2022
EE27.07.2022
ES27.07.2022
HR27.07.2022
IT27.07.2022
LT27.07.2022
LV27.07.2022
MC27.07.2022
NL27.07.2022
PL27.07.2022
RO27.07.2022
RS27.07.2022
SI27.07.2022
SK27.07.2022
SM27.07.2022
GR28.10.2022
IS27.11.2022
PT28.11.2022
IE23.04.2023
LU23.04.2023
BE30.04.2023
CH30.04.2023
LI30.04.2023
[2024/26]
Former [2024/21]AL27.07.2022
AT27.07.2022
CZ27.07.2022
EE27.07.2022
ES27.07.2022
HR27.07.2022
LT27.07.2022
LV27.07.2022
MC27.07.2022
NL27.07.2022
PL27.07.2022
RO27.07.2022
RS27.07.2022
SI27.07.2022
SK27.07.2022
SM27.07.2022
GR28.10.2022
IS27.11.2022
PT28.11.2022
IE23.04.2023
LU23.04.2023
BE30.04.2023
CH30.04.2023
LI30.04.2023
Former [2024/12]AL27.07.2022
AT27.07.2022
CZ27.07.2022
EE27.07.2022
ES27.07.2022
HR27.07.2022
LT27.07.2022
LV27.07.2022
MC27.07.2022
NL27.07.2022
PL27.07.2022
RO27.07.2022
RS27.07.2022
SI27.07.2022
SK27.07.2022
SM27.07.2022
GR28.10.2022
IS27.11.2022
PT28.11.2022
LU23.04.2023
BE30.04.2023
CH30.04.2023
LI30.04.2023
Former [2024/09]AL27.07.2022
AT27.07.2022
CZ27.07.2022
EE27.07.2022
ES27.07.2022
HR27.07.2022
LT27.07.2022
LV27.07.2022
MC27.07.2022
NL27.07.2022
PL27.07.2022
RO27.07.2022
RS27.07.2022
SI27.07.2022
SK27.07.2022
SM27.07.2022
GR28.10.2022
IS27.11.2022
PT28.11.2022
LU23.04.2023
CH30.04.2023
LI30.04.2023
Former [2024/08]AL27.07.2022
AT27.07.2022
CZ27.07.2022
EE27.07.2022
ES27.07.2022
HR27.07.2022
LT27.07.2022
LV27.07.2022
MC27.07.2022
NL27.07.2022
PL27.07.2022
RO27.07.2022
RS27.07.2022
SI27.07.2022
SK27.07.2022
SM27.07.2022
GR28.10.2022
IS27.11.2022
PT28.11.2022
LU23.04.2023
Former [2024/04]AL27.07.2022
AT27.07.2022
CZ27.07.2022
EE27.07.2022
ES27.07.2022
HR27.07.2022
LT27.07.2022
LV27.07.2022
NL27.07.2022
PL27.07.2022
RO27.07.2022
RS27.07.2022
SI27.07.2022
SK27.07.2022
SM27.07.2022
GR28.10.2022
IS27.11.2022
PT28.11.2022
LU23.04.2023
Former [2023/37]AL27.07.2022
AT27.07.2022
CZ27.07.2022
EE27.07.2022
ES27.07.2022
HR27.07.2022
LT27.07.2022
LV27.07.2022
NL27.07.2022
PL27.07.2022
RO27.07.2022
RS27.07.2022
SI27.07.2022
SK27.07.2022
SM27.07.2022
GR28.10.2022
IS27.11.2022
PT28.11.2022
Former [2023/29]AL27.07.2022
AT27.07.2022
CZ27.07.2022
EE27.07.2022
ES27.07.2022
HR27.07.2022
LT27.07.2022
LV27.07.2022
NL27.07.2022
PL27.07.2022
RO27.07.2022
RS27.07.2022
SK27.07.2022
SM27.07.2022
GR28.10.2022
IS27.11.2022
PT28.11.2022
Former [2023/23]AT27.07.2022
CZ27.07.2022
EE27.07.2022
ES27.07.2022
HR27.07.2022
LT27.07.2022
LV27.07.2022
NL27.07.2022
PL27.07.2022
RO27.07.2022
RS27.07.2022
SK27.07.2022
SM27.07.2022
GR28.10.2022
IS27.11.2022
PT28.11.2022
Former [2023/22]AT27.07.2022
CZ27.07.2022
ES27.07.2022
HR27.07.2022
LT27.07.2022
LV27.07.2022
NL27.07.2022
PL27.07.2022
RO27.07.2022
RS27.07.2022
SM27.07.2022
GR28.10.2022
IS27.11.2022
PT28.11.2022
Former [2023/20]ES27.07.2022
HR27.07.2022
LT27.07.2022
LV27.07.2022
NL27.07.2022
PL27.07.2022
RS27.07.2022
SM27.07.2022
GR28.10.2022
IS27.11.2022
PT28.11.2022
Former [2023/12]ES27.07.2022
HR27.07.2022
LT27.07.2022
LV27.07.2022
NL27.07.2022
PL27.07.2022
RS27.07.2022
GR28.10.2022
IS27.11.2022
PT28.11.2022
Former [2023/11]ES27.07.2022
HR27.07.2022
LT27.07.2022
LV27.07.2022
NL27.07.2022
PL27.07.2022
RS27.07.2022
GR28.10.2022
PT28.11.2022
Former [2023/10]ES27.07.2022
HR27.07.2022
LT27.07.2022
LV27.07.2022
NL27.07.2022
RS27.07.2022
GR28.10.2022
PT28.11.2022
Former [2023/09]ES27.07.2022
LT27.07.2022
LV27.07.2022
NL27.07.2022
RS27.07.2022
PT28.11.2022
Former [2023/08]ES27.07.2022
LT27.07.2022
NL27.07.2022
RS27.07.2022
Former [2023/06]NL27.07.2022
Documents cited:Search[AD]CA504477  (LITHIUM CORP);
 [A]WO2010056322  (CHEMETALL FOOTE CORP [US], et al);
 [A]JP2011031232  (KEE KK)
by applicantUS19920617882
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.