IP Verse

Aluminum/Copper/Lithium Alloy Material For Underwing Element Having Enhanced Properties

Patent No. EP3077559 (titled "Aluminum/Copper/Lithium Alloy Material For Underwing Element Having Enhanced Properties") was filed by Constellium Issoire on Dec 2, 2014. The application was issued on Nov 12, 2025.

Patent Summary

Patent Family

Patent Oppositions (2)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

Company	Opposition Date	Representative
ARCONIC	May 22, 2019	BARTON
HOWMET AEROSPACE	May 22, 2019	FORRESTERS

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

Date
Description

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Oct 16, 2025
Decision to maintain the European patent in amended form
Oct 16, 2025
Decision to maintain the European patent in amended form
Oct 3, 2025
(Electronic) Receipt
Oct 3, 2025
English translation of the claims
Oct 3, 2025
Filing of the translation of the amended claims
Oct 3, 2025
German translation of the claims
Oct 3, 2025
Letter accompanying subsequently filed items
Jul 15, 2025
Communication of bibliographic data
Jul 15, 2025
Communication to opponent concerning maintenance
Jul 15, 2025
Communication with request to file translations
Jul 10, 2025
Maintenance of the patent with the documents specified in the final decision
Apr 10, 2025
Brief communication - Opposition proceedings
Apr 10, 2025
Brief communication - Opposition proceedings
Apr 10, 2025
Grounds for the decision (Annex) - opposition
Apr 10, 2025
Interlocutory decision in opposition proceedings
Apr 10, 2025
Interlocutory decision in opposition proceedings
Apr 10, 2025
Means of redress
Apr 8, 2025
Decision of the Opposition Division and instruction
Apr 3, 2025
Druckexemplar in opposition procedure
Oct 31, 2024
Annex to the communication - opposition
Oct 31, 2024
Brief communication - Opposition proceedings
Oct 31, 2024
Brief communication - Opposition proceedings
Oct 31, 2024
Communication inviting the parties to file observations
Oct 31, 2024
Communication inviting the parties to file observations
Aug 14, 2024
Brief communication - Opposition proceedings
Aug 7, 2024
(Electronic) Receipt
Aug 7, 2024
Amended description with annotations
Aug 7, 2024
Description
Aug 7, 2024
Letter accompanying subsequently filed items
Aug 7, 2024
Reply to an examination report in opposition proceedings
May 24, 2024
Annex to the communication - opposition
May 24, 2024
Brief communication - Opposition proceedings
May 24, 2024
Brief communication - Opposition proceedings
May 24, 2024
Communication inviting the parties to file observations
May 24, 2024
Communication inviting the parties to file observations
Mar 6, 2024
Decision of the Board of Appeal
Mar 6, 2024
Decision of the Board of Appeal
Mar 6, 2024
F3032 Notification(s) of the decision
Mar 6, 2024
F3032 Notification(s) of the decision
Jan 4, 2024
F3013 Oral Proceedings: Forwarding minutes
Jan 4, 2024
F3013 Oral Proceedings: Forwarding minutes
Jan 4, 2024
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Nov 22, 2023
F3018 Oral proceedings: Confirmation interpreters
Nov 22, 2023
F3018 Oral proceedings: Confirmation interpreters
Nov 22, 2023
F3345 Forwarding of submissions to parties
Nov 20, 2023
(Electronic) Receipt
Nov 20, 2023
Amended claims with annotations
Nov 20, 2023
Amended claims with annotations
Nov 20, 2023
Amended claims with annotations
Nov 20, 2023
Amended claims with annotations
Nov 20, 2023
Amended claims with annotations
Nov 20, 2023
Auxiliary request during appeals procedure - 01
Nov 20, 2023
Auxiliary request during appeals procedure - 02
Nov 20, 2023
Auxiliary request during appeals procedure - 03
Nov 20, 2023
Auxiliary request during appeals procedure - 04
Nov 20, 2023
Auxiliary request during appeals procedure - 05
Nov 20, 2023
Letter accompanying subsequently filed items
Nov 20, 2023
Letter dealing with oral proceedings during the appeal procedure
Oct 24, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 24, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 23, 2023
F3345 Forwarding of submissions to parties
Oct 18, 2023
(Electronic) Receipt
Oct 18, 2023
Letter accompanying subsequently filed items
Oct 18, 2023
Request for interpreters during oral proceedings
Mar 13, 2023
F3011.1 Oral Proceedings: summons
Mar 13, 2023
F3011.1 Oral Proceedings: summons
Mar 7, 2023
F3010 Oral proceedings: order for summons
Mar 7, 2023
F3303.17 Change of the composition of the Board (T), in case Chairman is a legal member
Jun 28, 2022
F3345 Forwarding of submissions to parties
Jun 23, 2022
(Electronic) Receipt
Jun 23, 2022
Amended claims with annotations
Jun 23, 2022
Amended claims with annotations
Jun 23, 2022
Amended claims with annotations
Jun 23, 2022
Auxiliary request during appeals procedure - 01
Jun 23, 2022
Auxiliary request during appeals procedure - 02
Jun 23, 2022
Auxiliary request during appeals procedure - 03
Jun 23, 2022
Letter accompanying subsequently filed items
Jun 23, 2022
Reply to appeal
Apr 14, 2022
Composition of the board (T)
Feb 17, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 14, 2022
(Electronic) Receipt
Feb 14, 2022
Letter accompanying subsequently filed items
Feb 14, 2022
Statement of grounds of appeal
Nov 29, 2021
F3204 Communication of the file number to the parties
Nov 29, 2021
F3204 Communication of the file number to the parties
Nov 22, 2021
(Electronic) Receipt
Nov 22, 2021
Letter accompanying subsequently filed items
Nov 22, 2021
Notice of appeal
Oct 15, 2021
Advice of delivery
Oct 4, 2021
Advice of delivery
Oct 4, 2021
Annex to the communication - opposition
Oct 4, 2021
Decision of the Opposition Division and instruction
Oct 4, 2021
Decision rejecting the opposition
Oct 4, 2021
Decision rejecting the opposition
Oct 4, 2021
Grounds for the decision (Annex) - opposition
Oct 4, 2021
Means of redress
Oct 4, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 4, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Oct 4, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Oct 4, 2021
Provision of a copy of the minutes - opposition procedure
Oct 4, 2021
Provision of a copy of the minutes - opposition procedure
Oct 4, 2021
Transmittal of decision / summons - opposition
Oct 4, 2021
Transmittal of decision / summons - opposition
Sep 2, 2021
Information about the result of oral proceedings
Jul 6, 2021
Brief communication - Opposition proceedings
Jul 6, 2021
Notification concerning the date of oral proceedings
Jul 6, 2021
Notification concerning the date of oral proceedings
Jul 1, 2021
(Electronic) Receipt
Jul 1, 2021
Brief communication - Opposition proceedings
Jun 30, 2021
(Electronic) Receipt
Jun 30, 2021
Letter accompanying subsequently filed items
Jun 30, 2021
Written submission in preparation to/during oral proceedings
Jun 28, 2021
(Electronic) Receipt
Jun 28, 2021
Citation in opposition procedure - 005
Jun 28, 2021
Consolidated list of cited opposition documents
Jun 28, 2021
Letter accompanying subsequently filed items
Jun 28, 2021
Written submission in preparation to/during oral proceedings
Jun 22, 2021
Notification concerning the date of oral proceedings
Jun 22, 2021
Notification concerning the date of oral proceedings
Nov 20, 2020
Advice of delivery
Nov 11, 2020
Advice of delivery
Nov 9, 2020
Acknowledgement of a document
Nov 9, 2020
Acknowledgement of a document
Nov 9, 2020
Annex to the communication - opposition
Nov 9, 2020
Information concerning oral proceedings
Nov 9, 2020
Summons to attend oral proceedings
Nov 9, 2020
Summons to attend oral proceedings
Sep 22, 2020
Brief communication - Opposition proceedings
Sep 22, 2020
Notification concerning the date of oral proceedings
Sep 22, 2020
Notification concerning the date of oral proceedings
Sep 16, 2020
(Electronic) Receipt
Sep 16, 2020
Letter accompanying subsequently filed items
Sep 16, 2020
Oral proceedings: reply to date proposed
Sep 14, 2020
Letter accompanying subsequently filed items
Sep 14, 2020
Letter accompanying subsequently filed items
Sep 14, 2020
Request for change of opponent's representative
Sep 11, 2020
Notification concerning the date of oral proceedings
Sep 11, 2020
Notification concerning the date of oral proceedings
Sep 8, 2020
Brief communication - Opposition proceedings
Sep 7, 2020
Communication of amended entries
Sep 4, 2020
(Electronic) Receipt
Sep 4, 2020
Advice of delivery
Sep 4, 2020
Letter accompanying subsequently filed items
Aug 10, 2020
(Electronic) Receipt
Aug 10, 2020
Annexes in respect of a client data request
Aug 10, 2020
Letter accompanying subsequently filed items
Aug 10, 2020
Request for change of name -opponent
Jul 21, 2020
Communication about missing advice of delivery
Jul 10, 2020
Communication about missing advice of delivery
Jun 10, 2020
Advice of delivery
Jun 4, 2020
Acknowledgement of a document
Jun 4, 2020
Acknowledgement of a document
Jun 4, 2020
Annex to the communication - opposition
Jun 4, 2020
Information concerning oral proceedings
Jun 4, 2020
Summons to attend oral proceedings
Jun 4, 2020
Summons to attend oral proceedings
May 11, 2020
Notification concerning the date of oral proceedings
May 11, 2020
Notification concerning the date of oral proceedings
May 6, 2020
Notification concerning the date of oral proceedings
Apr 2, 2020
Brief communication - Opposition proceedings
Mar 31, 2020
Brief communication - Opposition proceedings
Mar 27, 2020
(Electronic) Receipt
Mar 27, 2020
(Electronic) Receipt
Mar 27, 2020
Letter accompanying subsequently filed items
Mar 27, 2020
Letter accompanying subsequently filed items
Mar 27, 2020
Request for interpreters during oral proceedings
Mar 27, 2020
Request for interpreters during oral proceedings
Mar 27, 2020
Written submission in preparation to/during oral proceedings
Mar 26, 2020
(Electronic) Receipt
Mar 26, 2020
Auxiliary request during Opposition procedure
Mar 26, 2020
Auxiliary request during Opposition procedure
Mar 26, 2020
Auxiliary request during Opposition procedure
Mar 26, 2020
Auxiliary request during Opposition procedure - 01
Mar 26, 2020
Auxiliary request during Opposition procedure - 02
Mar 26, 2020
Auxiliary request during Opposition procedure - 03
Mar 26, 2020
Letter regarding the opposition procedure (no time limit)
Mar 26, 2020
Written submission in preparation to/during oral proceedings
Nov 6, 2019
Advice of delivery
Nov 6, 2019
Advice of delivery
Oct 31, 2019
Advice of delivery
Oct 30, 2019
Acknowledgement of a document
Oct 30, 2019
Acknowledgement of a document
Oct 30, 2019
Annex to the communication - opposition
Oct 30, 2019
Information concerning oral proceedings
Oct 30, 2019
Summons to attend oral proceedings
Oct 30, 2019
Summons to attend oral proceedings
Oct 10, 2019
Brief communication - Opposition proceedings
Oct 4, 2019
(Electronic) Receipt
Oct 4, 2019
Letter accompanying subsequently filed items
Oct 4, 2019
Reply of the patent proprietor to the notice(s) of opposition
Jun 4, 2019
Communication of a notice of opposition and request to file observations
Jun 4, 2019
Notice of further oppositions to opponent(s)
May 27, 2019
Communication of a notice of opposition - first information to patent proprietor
May 22, 2019
(Electronic) Receipt
May 22, 2019
Citation in opposition procedure - 001
May 22, 2019
Citation in opposition procedure - 002
May 22, 2019
Citation in opposition procedure - 003
May 22, 2019
Citation in opposition procedure - 004
May 22, 2019
Notice of opposition
May 22, 2019
Notice of opposition
Sep 3, 2018
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 26, 2018
Decision to grant a European patent
Jul 12, 2018
(Electronic) Receipt
Jul 12, 2018
English translation of the claims
Jul 12, 2018
Filing of the translations of the claims
Jul 12, 2018
German translation of the claims
Jul 12, 2018
Letter accompanying subsequently filed items
Mar 28, 2018
Bibliographic data of the European patent application
Mar 28, 2018
Communication about intention to grant a European patent
Mar 28, 2018
Intention to grant (signatures)
Mar 28, 2018
Text intended for grant (clean copy)
Mar 28, 2018
Text intended for grant (version for approval)
Jul 28, 2017
(Electronic) Receipt
Jul 28, 2017
Amended description with annotations
Jul 28, 2017
Description
Jul 28, 2017
Drawings
Jul 28, 2017
Drawings
Jul 28, 2017
Letter accompanying subsequently filed items
Jul 28, 2017
Reply to communication from the Examining Division
Mar 29, 2017
Annex to the communication
Mar 29, 2017
Communication from the Examining Division
Mar 27, 2017
CDS Clean up - amended applicant details
Mar 13, 2017
Examination started
Jan 11, 2017
(Electronic) Receipt
Jan 11, 2017
Amended claims filed after receipt of (European) search report
Jan 11, 2017
Amended claims with annotations
Jan 11, 2017
Amendments received before examination
Jan 11, 2017
Letter accompanying subsequently filed items
Sep 14, 2016
Notification on forthcoming publication of bibliographic data
Jul 14, 2016
Communication concerning correction of deficiencies in written opinion/amendment of application/payment of claims fee
Jul 12, 2016
Communication to designated inventor
Jul 7, 2016
Priority search results copy provided by EPO
Jul 1, 2016
(Electronic) Receipt
Jul 1, 2016
Request for entry into the European phase
Jun 21, 2016
Copy of the international preliminary report on patentability
Apr 15, 2016
Information on entry into European phase
Feb 8, 2016
Notification of the recording of a change
Aug 20, 2015
Copy of the international search report
Aug 20, 2015
Copy of the international search report
Aug 20, 2015
International publication of the international search report
Jul 8, 2015
Written opinion of the ISA, boxes No. I to VIII
Jul 8, 2015
Written opinion of the ISA, cover sheet
Jul 8, 2015
Written opinion of the ISA, supplemental box
Jun 29, 2015
Priority document (electronically transmitted)
Jun 11, 2015
Published international application - A2

EP3077559

CONSTELLIUM ISSOIRE

Application Number: EP14821688A
Filing Date: Dec 2, 2014
Status: Patent Maintained As Amended; Oct 10, 2025
Publication Date: Nov 12, 2025
External Links: Slate, Register , Google Patents