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Extract from the Register of European Patents

EP About this file: EP3526358

EP3526358 - THIN SHEETS MADE OF AN ALUMINIUM-MAGNESIUM-SCANDIUM ALLOY FOR AEROSPACE APPLICATIONS [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  19.06.2020
Database last updated on 19.03.2026
FormerGrant of patent is intended
Status updated on  18.02.2020
FormerRequest for examination was made
Status updated on  19.07.2019
FormerThe international publication has been made
Status updated on  28.04.2018
Formerunknown
Status updated on  16.11.2017
Most recent event   Tooltip27.01.2026Change: Date of oral proceedings 
Applicant(s)For all designated states
Constellium Issoire
Rue Yves Lamourdedieu
ZI des Listes
63500 Issoire / FR
[2019/34]
Inventor(s)01 / BES, Bernard
34 Avenue Louis Armand
38180 Seyssins / FR
02 / EHRSTROM, Jean-Christophe
11 Boulevard Gambetta
38000 Grenoble / FR
03 / POUGET, Gaëlle
51 Rue Sidi Brahim
38100 Grenoble / FR
 [2019/34]
Representative(s)Constellium - Propriété Industrielle
C-TEC Constellium Technology Center
Propriété Industrielle
Parc Economique Centr'Alp
725, rue Aristide Bergès, CS10027
38341 Voreppe / FR
[2019/34]
Application number, filing date17794387.517.10.2017
[2019/34]
WO2017FR52856
Priority number, dateFR2016006004917.10.2016         Original published format: FR 1660049
[2019/34]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report
No.:WO2018073533
Date:26.04.2018
Language:FR
[2018/17]
Type: A1 Application with search report 
No.:EP3526358
Date:21.08.2019
Language:FR
The application published by WIPO in one of the EPO official languages on 26.04.2018 takes the place of the publication of the European patent application.
[2019/34]
Type: B1 Patent specification 
No.:EP3526358
Date:22.07.2020
Language:FR
[2020/30]
Search report(s)International search report - published on:EP26.04.2018
ClassificationIPC:C22C21/06, C22F1/047
[2019/34]
CPC:
C22F1/047 (EP,US); C22C21/06 (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 [2019/34]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:DÜNNE BLECHE AUS ALUMINIUM-MAGNESIUM-SCANDIUM-LEGIERUNG FÜR ANWENDUNGEN IN DER LUFT- UND RAUMFAHRT[2019/34]
English:THIN SHEETS MADE OF AN ALUMINIUM-MAGNESIUM-SCANDIUM ALLOY FOR AEROSPACE APPLICATIONS[2019/34]
French:TOLES MINCES EN ALLIAGE ALUMINIUM-MAGNESIUM-SCANDIUM POUR APPLICATIONS AEROSPATIALES[2019/34]
Entry into regional phase26.04.2019National basic fee paid 
26.04.2019Designation fee(s) paid 
26.04.2019Examination fee paid 
Examination procedure26.04.2019Examination requested  [2019/34]
26.04.2019Date on which the examining division has become responsible
19.02.2020Communication of intention to grant the patent
11.06.2020Fee for grant paid
11.06.2020Fee for publishing/printing paid
11.06.2020Receipt of the translation of the claim(s)
Opposition(s)Opponent(s)01  22.04.2021  26.04.2021  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
 [2021/22]
deletedDeletion: Legal effect of rejection of opposition [ N /P ]
06.05.2021Invitation to proprietor to file observations on the notice of opposition
07.09.2021Reply of patent proprietor to notice(s) of opposition
10.12.2024Date of oral proceedings
07.01.2025Despatch of minutes of oral proceedings
07.01.2025Date of despatch of rejection of opposition
Appeal following opposition05.03.2025Appeal received No.  T0388/25
05.03.2025Payment of appeal fee
24.09.2026Date of oral proceedings
Fees paidRenewal fee
28.10.2019Renewal fee patent year 03
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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  TooltipHU17.10.2017
AL22.07.2020
AT22.07.2020
CY22.07.2020
CZ22.07.2020
DK22.07.2020
EE22.07.2020
ES22.07.2020
FI22.07.2020
HR22.07.2020
IT22.07.2020
LT22.07.2020
LV22.07.2020
MC22.07.2020
MK22.07.2020
MT22.07.2020
NL22.07.2020
PL22.07.2020
RO22.07.2020
RS22.07.2020
SE22.07.2020
SI22.07.2020
SK22.07.2020
SM22.07.2020
TR22.07.2020
IE17.10.2020
LU17.10.2020
BG22.10.2020
NO22.10.2020
GR23.10.2020
BE31.10.2020
CH31.10.2020
LI31.10.2020
IS22.11.2020
PT23.11.2020
[2022/33]
Former [2022/27]HU17.10.2017
AL22.07.2020
AT22.07.2020
CY22.07.2020
CZ22.07.2020
DK22.07.2020
EE22.07.2020
ES22.07.2020
FI22.07.2020
HR22.07.2020
IT22.07.2020
LT22.07.2020
LV22.07.2020
MC22.07.2020
MT22.07.2020
NL22.07.2020
PL22.07.2020
RO22.07.2020
RS22.07.2020
SE22.07.2020
SI22.07.2020
SK22.07.2020
SM22.07.2020
TR22.07.2020
IE17.10.2020
LU17.10.2020
BG22.10.2020
NO22.10.2020
GR23.10.2020
BE31.10.2020
CH31.10.2020
LI31.10.2020
IS22.11.2020
PT23.11.2020
Former [2021/46]AL22.07.2020
AT22.07.2020
CZ22.07.2020
DK22.07.2020
EE22.07.2020
ES22.07.2020
FI22.07.2020
HR22.07.2020
IT22.07.2020
LT22.07.2020
LV22.07.2020
MC22.07.2020
NL22.07.2020
PL22.07.2020
RO22.07.2020
RS22.07.2020
SE22.07.2020
SI22.07.2020
SK22.07.2020
SM22.07.2020
IE17.10.2020
LU17.10.2020
BG22.10.2020
NO22.10.2020
GR23.10.2020
BE31.10.2020
CH31.10.2020
LI31.10.2020
IS22.11.2020
PT23.11.2020
Former [2021/37]AL22.07.2020
AT22.07.2020
CZ22.07.2020
DK22.07.2020
EE22.07.2020
ES22.07.2020
FI22.07.2020
HR22.07.2020
IT22.07.2020
LT22.07.2020
LV22.07.2020
MC22.07.2020
NL22.07.2020
PL22.07.2020
RO22.07.2020
RS22.07.2020
SE22.07.2020
SI22.07.2020
SK22.07.2020
SM22.07.2020
LU17.10.2020
BG22.10.2020
NO22.10.2020
GR23.10.2020
BE31.10.2020
CH31.10.2020
LI31.10.2020
IS22.11.2020
PT23.11.2020
Former [2021/36]AL22.07.2020
AT22.07.2020
CZ22.07.2020
DK22.07.2020
EE22.07.2020
ES22.07.2020
FI22.07.2020
HR22.07.2020
IT22.07.2020
LT22.07.2020
LV22.07.2020
MC22.07.2020
NL22.07.2020
PL22.07.2020
RO22.07.2020
RS22.07.2020
SE22.07.2020
SI22.07.2020
SK22.07.2020
SM22.07.2020
LU17.10.2020
BG22.10.2020
NO22.10.2020
GR23.10.2020
BE31.10.2020
IS22.11.2020
PT23.11.2020
Former [2021/31]AL22.07.2020
AT22.07.2020
CZ22.07.2020
DK22.07.2020
EE22.07.2020
ES22.07.2020
FI22.07.2020
HR22.07.2020
IT22.07.2020
LT22.07.2020
LV22.07.2020
MC22.07.2020
NL22.07.2020
PL22.07.2020
RO22.07.2020
RS22.07.2020
SE22.07.2020
SK22.07.2020
SM22.07.2020
LU17.10.2020
BG22.10.2020
NO22.10.2020
GR23.10.2020
IS22.11.2020
PT23.11.2020
Former [2021/28]AL22.07.2020
AT22.07.2020
CZ22.07.2020
DK22.07.2020
EE22.07.2020
ES22.07.2020
FI22.07.2020
HR22.07.2020
IT22.07.2020
LT22.07.2020
LV22.07.2020
NL22.07.2020
PL22.07.2020
RO22.07.2020
RS22.07.2020
SE22.07.2020
SK22.07.2020
SM22.07.2020
BG22.10.2020
NO22.10.2020
GR23.10.2020
IS22.11.2020
PT23.11.2020
Former [2021/25]AL22.07.2020
AT22.07.2020
CZ22.07.2020
DK22.07.2020
EE22.07.2020
ES22.07.2020
FI22.07.2020
HR22.07.2020
IT22.07.2020
LT22.07.2020
LV22.07.2020
NL22.07.2020
PL22.07.2020
RO22.07.2020
RS22.07.2020
SE22.07.2020
SM22.07.2020
BG22.10.2020
NO22.10.2020
GR23.10.2020
IS22.11.2020
PT23.11.2020
Former [2021/22]AT22.07.2020
CZ22.07.2020
DK22.07.2020
EE22.07.2020
ES22.07.2020
FI22.07.2020
HR22.07.2020
IT22.07.2020
LT22.07.2020
LV22.07.2020
NL22.07.2020
PL22.07.2020
RO22.07.2020
RS22.07.2020
SE22.07.2020
SM22.07.2020
BG22.10.2020
NO22.10.2020
GR23.10.2020
IS22.11.2020
PT23.11.2020
Former [2021/20]AT22.07.2020
DK22.07.2020
ES22.07.2020
FI22.07.2020
HR22.07.2020
IT22.07.2020
LT22.07.2020
LV22.07.2020
NL22.07.2020
PL22.07.2020
RS22.07.2020
SE22.07.2020
BG22.10.2020
NO22.10.2020
GR23.10.2020
IS22.11.2020
PT23.11.2020
Former [2021/17]AT22.07.2020
ES22.07.2020
FI22.07.2020
HR22.07.2020
LT22.07.2020
LV22.07.2020
NL22.07.2020
PL22.07.2020
RS22.07.2020
SE22.07.2020
BG22.10.2020
NO22.10.2020
GR23.10.2020
IS22.11.2020
PT23.11.2020
Former [2021/10]AT22.07.2020
ES22.07.2020
FI22.07.2020
HR22.07.2020
LT22.07.2020
LV22.07.2020
PL22.07.2020
RS22.07.2020
SE22.07.2020
BG22.10.2020
NO22.10.2020
GR23.10.2020
IS22.11.2020
PT23.11.2020
Former [2021/09]AT22.07.2020
ES22.07.2020
FI22.07.2020
LT22.07.2020
SE22.07.2020
BG22.10.2020
NO22.10.2020
GR23.10.2020
PT23.11.2020
Former [2021/08]ES22.07.2020
FI22.07.2020
LT22.07.2020
SE22.07.2020
BG22.10.2020
NO22.10.2020
PT23.11.2020
Former [2021/07]FI22.07.2020
LT22.07.2020
NO22.10.2020
Cited inOppositionUS2013146186
 US2012103476
 US9217622
 US6551424
 US2012152415
 US2013092294
 US5624632
   THE ALUMINUM ASSOCIATION: "International Alloy Designations and Chemical Composition Limits for Wrought Aluminum and Wrought Aluminum Alloys", THE ALUMINUM ASSOCIATION - TEAL SHEETS, January 2015 (2015-01-01), pages 1 - 84, XP055494916
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.