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Extract from the Register of European Patents

EP About this file: EP3411508

EP3411508 - THICK AL - CU - LI - ALLOY SHEETS HAVING IMPROVED FATIGUE PROPERTIES [Right-click to bookmark this link]
Former [2018/50]THICK PLATES MADE OF AL-CU-LI ALLOY WITH IMPROVED FATIGUE PROPERTIES
[2019/37]
StatusThe patent has been granted
Status updated on  06.03.2020
Database last updated on 11.05.2024
FormerGrant of patent is intended
Status updated on  28.08.2019
FormerRequest for examination was made
Status updated on  09.11.2018
FormerThe international publication has been made
Status updated on  11.08.2017
Formerunknown
Status updated on  10.03.2017
Most recent event   Tooltip27.04.2024Lapse of the patent in a contracting state
New state(s): MK		published on 29.05.2024 [2024/22]
Applicant(s)For all designated states
Constellium Issoire
Rue Yves Lamourdedieu
ZI des Listes
63500 Issoire / FR
[2018/50]
Inventor(s)01 / EHRSTROM, Jean-Christophe
11 Boulevard Gambetta
38000 Grenoble / FR
02 / DA FONSECA BARBATTI, Carla
34 Avenue Aristide Briand
38600 Fontaine / FR
 [2018/50]
Representative(s)Constellium - Propriété Industrielle
C-TEC Constellium Technology Center
Propriété Industrielle
Parc Economique Centr'Alp
725, rue Aristide Bergès, CS10027
38341 Voreppe / FR
[2018/50]
Application number, filing date17707940.703.02.2017
[2018/50]
WO2017FR50255
Priority number, dateFR2016005085003.02.2016         Original published format: FR 1650850
[2018/50]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report
No.:WO2017134405
Date:10.08.2017
Language:FR
[2017/32]
Type: A1 Application with search report 
No.:EP3411508
Date:12.12.2018
Language:FR
The application published by WIPO in one of the EPO official languages on 10.08.2017 takes the place of the publication of the European patent application.
[2018/50]
Type: B1 Patent specification 
No.:EP3411508
Date:08.04.2020
Language:FR
[2020/15]
Search report(s)International search report - published on:EP10.08.2017
ClassificationIPC:C22C21/12
[2018/50]
CPC:
C22F1/057 (EP,US); C22C21/12 (EP,US); C22C21/14 (EP,US);
C22C21/16 (EP,US); C22C21/18 (EP,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 [2018/50]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:DICKE BLECHE AUS AL- CU - LI LEGIERUNG MIT VERBESSERTEN ERMÜDUNGSEIGENSCHAFTEN[2019/37]
English:THICK AL - CU - LI - ALLOY SHEETS HAVING IMPROVED FATIGUE PROPERTIES[2019/37]
French:TÔLES ÉPAISSES EN ALLIAGE AL CU LI À PROPRIÉTÉS EN FATIGUE AMÉLIORÉES[2018/50]
Former [2018/50]DICKE PLATTEN AUS AL-CU-LI-LEGIERUNG MIT VERBESSERTEN ERMÜDUNGSEIGENSCHAFTEN
Former [2018/50]THICK PLATES MADE OF AL-CU-LI ALLOY WITH IMPROVED FATIGUE PROPERTIES
Entry into regional phase03.08.2018National basic fee paid 
03.08.2018Designation fee(s) paid 
03.08.2018Examination fee paid 
Examination procedure03.08.2018Examination requested  [2018/50]
03.08.2018Date on which the examining division has become responsible
29.08.2019Communication of intention to grant the patent
16.12.2019Fee for grant paid
16.12.2019Fee for publishing/printing paid
16.12.2019Receipt of the translation of the claim(s)
Opposition(s)Opponent(s)01  08.01.2021  12.01.2021  ADMISSIBLE
Arconic Corporation
201 Isabella Street
Pittsburgh, PA 15212-5858 / US
Opponent's representative
Forresters IP LLP
Skygarden
Erika-Mann-Straße 11
80636 München / DE
 [2021/07]
deletedDeletion: Legal effect of rejection of opposition [ N /P ]
22.01.2021Invitation to proprietor to file observations on the notice of opposition
26.05.2021Reply of patent proprietor to notice(s) of opposition
11.03.2022Date of oral proceedings
07.04.2022Despatch of minutes of oral proceedings
07.04.2022Date of despatch of rejection of opposition
Appeal following opposition07.06.2022Appeal received No.  T1537/22
07.06.2022Payment of appeal fee
16.08.2022Statement of grounds filed
10.09.2024Date of oral proceedings
Fees paidRenewal fee
27.02.2019Renewal fee patent year 03
27.02.2020Renewal 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  TooltipHU03.02.2017
AL08.04.2020
CY08.04.2020
CZ08.04.2020
DK08.04.2020
EE08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
IT08.04.2020
LT08.04.2020
LV08.04.2020
MC08.04.2020
MK08.04.2020
NL08.04.2020
PL08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SI08.04.2020
SK08.04.2020
SM08.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
IE03.02.2021
LU03.02.2021
BE28.02.2021
CH28.02.2021
LI28.02.2021
[2024/22]
Former [2023/33]HU03.02.2017
AL08.04.2020
CY08.04.2020
CZ08.04.2020
DK08.04.2020
EE08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
IT08.04.2020
LT08.04.2020
LV08.04.2020
MC08.04.2020
NL08.04.2020
PL08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SI08.04.2020
SK08.04.2020
SM08.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
IE03.02.2021
LU03.02.2021
BE28.02.2021
CH28.02.2021
LI28.02.2021
Former [2023/30]AL08.04.2020
CY08.04.2020
CZ08.04.2020
DK08.04.2020
EE08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
IT08.04.2020
LT08.04.2020
LV08.04.2020
MC08.04.2020
NL08.04.2020
PL08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SI08.04.2020
SK08.04.2020
SM08.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
IE03.02.2021
LU03.02.2021
BE28.02.2021
CH28.02.2021
LI28.02.2021
Former [2022/33]AL08.04.2020
CZ08.04.2020
DK08.04.2020
EE08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
IT08.04.2020
LT08.04.2020
LV08.04.2020
MC08.04.2020
NL08.04.2020
PL08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SI08.04.2020
SK08.04.2020
SM08.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
IE03.02.2021
LU03.02.2021
BE28.02.2021
CH28.02.2021
LI28.02.2021
Former [2022/07]AL08.04.2020
CZ08.04.2020
DK08.04.2020
EE08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
IT08.04.2020
LT08.04.2020
LV08.04.2020
MC08.04.2020
NL08.04.2020
PL08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SI08.04.2020
SK08.04.2020
SM08.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
IE03.02.2021
LU03.02.2021
CH28.02.2021
LI28.02.2021
Former [2021/47]AL08.04.2020
CZ08.04.2020
DK08.04.2020
EE08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
IT08.04.2020
LT08.04.2020
LV08.04.2020
MC08.04.2020
NL08.04.2020
PL08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SI08.04.2020
SK08.04.2020
SM08.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
LU03.02.2021
CH28.02.2021
LI28.02.2021
Former [2021/41]AL08.04.2020
CZ08.04.2020
DK08.04.2020
EE08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
IT08.04.2020
LT08.04.2020
LV08.04.2020
MC08.04.2020
NL08.04.2020
PL08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SI08.04.2020
SK08.04.2020
SM08.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2021/24]AL08.04.2020
CZ08.04.2020
DK08.04.2020
EE08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
IT08.04.2020
LT08.04.2020
LV08.04.2020
NL08.04.2020
PL08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SI08.04.2020
SK08.04.2020
SM08.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2021/10]AL08.04.2020
CZ08.04.2020
DK08.04.2020
EE08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
IT08.04.2020
LT08.04.2020
LV08.04.2020
NL08.04.2020
PL08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SK08.04.2020
SM08.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2021/09]AL08.04.2020
CZ08.04.2020
DK08.04.2020
EE08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
IT08.04.2020
LT08.04.2020
LV08.04.2020
NL08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SM08.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2021/08]AL08.04.2020
DK08.04.2020
ES08.04.2020
FI08.04.2020
HR08.04.2020
LT08.04.2020
LV08.04.2020
NL08.04.2020
RO08.04.2020
RS08.04.2020
SE08.04.2020
SM08.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2021/04]AL08.04.2020
FI08.04.2020
HR08.04.2020
LT08.04.2020
LV08.04.2020
NL08.04.2020
RS08.04.2020
SE08.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2021/01]FI08.04.2020
HR08.04.2020
LT08.04.2020
LV08.04.2020
NL08.04.2020
RS08.04.2020
SE08.04.2020
BG08.07.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2020/51]FI08.04.2020
HR08.04.2020
LT08.04.2020
LV08.04.2020
NL08.04.2020
RS08.04.2020
SE08.04.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2020/50]FI08.04.2020
HR08.04.2020
LT08.04.2020
LV08.04.2020
NL08.04.2020
SE08.04.2020
NO08.07.2020
GR09.07.2020
IS08.08.2020
PT17.08.2020
Former [2020/48]FI08.04.2020
LT08.04.2020
NL08.04.2020
SE08.04.2020
NO08.07.2020
IS08.08.2020
PT17.08.2020
Former [2020/47]LT08.04.2020
NO08.07.2020
IS08.08.2020
Former [2020/46]IS08.08.2020
Cited inInternational search[A]US7229509  (CHO ALEX [US]) [A] 1-10* claims 1,9 *;
 [A]WO2009103899  (ALCAN RHENALU [FR], et al) [A] 1-10 * page 2, line 21 - page 3, line 14; claim 1 *
OppositionUS4894096
 US5066342
 US5455003
 US7229509
 US2007181229
 WO2009036953
 CN101967589
 CN102021457
 US2011278397
 WO2015082779
    - Davis J R, Et Al, "Introduction to Aluminum and Aluminum Alloys", ASM Specialty Handbook, (19930101), pages 46,121 - 125, XP055964649
    - Jain V.K, Jata K.V, Rioja R.J, Morgan J.T, Hopkins A.K, "Processing of an experimental aluminum-lithium alloy for controlled microstructure", JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, ELSEVIER, NL, NL , (19980101), vol. 73, no. 1-3, doi:10.1016/S0924-0136(97)00219-7, ISSN 0924-0136, pages 108 - 118, XP055964651

DOI:   http://dx.doi.org/10.1016/S0924-0136(97)00219-7
    - Rioja, R.J., "Fabrication methods to manufacture isotropic Al-Li alloys and products for space and aerospace applications", Materials Science, ELSEVIER, AMSTERDAM, NL, AMSTERDAM, NL, (19981130), vol. 257, no. 1, doi:10.1016/S0921-5093(98)00827-2, ISSN 0921-5093, pages 100 - 107, XP005495447

DOI:   http://dx.doi.org/10.1016/S0921-5093(98)00827-2
    - BALMUTH, E. S.; CHO, A., "FRACTURE AND FATIGUE CRACK GROWTH RESISTANCE OF RECRYSTALLIZED AL-LI ALLOYS", Eco-materials processing and design VIII : ISEPD-8, proceedings of the 8th International Symposium on Eco-Materials Processing and Design, January 11 - 13, 2007, Kitakyushu, Japan, TRANS TECH PUBLICATIONS LTD, CH, CH , (19960101), vol. 217-222, no. 3, ISBN 978-0-87849-431-6, pages 1365 - 1370, XP009085471
    - Domack M S, Et Al, "Effect of thermal exposure on the strength-toughness behavior of elevated temperature service aluminum alloys", Aluminum Alloys, (19980101), pages 1081 - 1086, Aluminum Alloys, URL: http://www.icaa-conference.net/ICAA6/Aluminium%20Alloys%20Volume%202/1081-1086.pdf, (20220926), XP055964654
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.