Improved 7Xx Aluminum Casting Alloys, And Methods For Making The Same

Patent No. EP3137642 (titled "Improved 7Xx Aluminum Casting Alloys, And Methods For Making The Same") was filed by Alcoa on Apr 23, 2015. The application was issued on Jan 12, 2022.

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
C TEC CONSTELLIUM TECHNOLOGY CENTER CONSTELLIUM ISSOIRE	Nov 18, 2019	BUTRUILLE

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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Dec 16, 2021
Decision to maintain the European patent in amended form
Dec 16, 2021
Decision to maintain the European patent in amended form
Dec 10, 2021
Termination of the opposition proceedings with maintenance of patent
Dec 6, 2021
(Electronic) Receipt
Dec 6, 2021
Filing of the translation of the amended claims
Dec 6, 2021
French translation of claims
Dec 6, 2021
German translation of the claims
Dec 6, 2021
Letter accompanying subsequently filed items
Oct 4, 2021
Communication to opponent concerning maintenance
Oct 4, 2021
Communication with request to file translations
Sep 30, 2021
Maintenance of the patent with the documents specified in the final decision
Jul 14, 2021
Refund of fees
Jul 12, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jul 12, 2021
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Jul 6, 2021
(Electronic) Receipt
Jul 6, 2021
F3303.16 Change of composition of the Board (T)
Jul 6, 2021
Letter accompanying subsequently filed items
Jul 6, 2021
Withdrawal of an appeal
Jun 1, 2021
F3204 Communication of the file number to the parties
Jun 1, 2021
F3204 Communication of the file number to the parties
May 25, 2021
(Electronic) Receipt
May 25, 2021
Letter accompanying subsequently filed items
May 25, 2021
Notice of appeal
Apr 1, 2021
Advice of delivery
Mar 15, 2021
Advice of delivery
Mar 15, 2021
Annex to the communication - opposition
Mar 15, 2021
Decision of the Opposition Division and instruction
Mar 15, 2021
Druckexemplar in opposition procedure
Mar 15, 2021
Grounds for the decision (Annex) - opposition
Mar 15, 2021
Interlocutory decision in opposition proceedings
Mar 15, 2021
Internal form - Opposition/addressees
Mar 15, 2021
Internal form - Opposition/addressees
Mar 15, 2021
Means of redress
Mar 15, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 15, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 15, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 15, 2021
Provision of a copy of the minutes - opposition procedure
Mar 15, 2021
Scanned annex to a communication - opposition procedure
Mar 15, 2021
Transmittal of decision / summons - opposition
Mar 15, 2021
Transmittal of decision / summons - opposition
Feb 10, 2021
Information about the result of oral proceedings
Dec 18, 2020
Notification concerning the date of oral proceedings
Dec 18, 2020
Notification concerning the date of oral proceedings
Dec 15, 2020
Brief communication - Opposition proceedings
Dec 10, 2020
(Electronic) Receipt
Dec 10, 2020
Auxiliary request during Opposition procedure
Dec 10, 2020
Auxiliary request during Opposition procedure
Dec 10, 2020
Auxiliary request during Opposition procedure
Dec 10, 2020
Auxiliary request during Opposition procedure
Dec 10, 2020
Auxiliary request during Opposition procedure
Dec 10, 2020
Auxiliary request during Opposition procedure - 01
Dec 10, 2020
Auxiliary request during Opposition procedure - 02
Dec 10, 2020
Auxiliary request during Opposition procedure - 03
Dec 10, 2020
Auxiliary request during Opposition procedure - 04
Dec 10, 2020
Auxiliary request during Opposition procedure - 05
Dec 10, 2020
Letter accompanying subsequently filed items
Dec 10, 2020
Written submission in preparation to/during oral proceedings
Dec 4, 2020
Brief communication - Opposition proceedings
Dec 1, 2020
(Electronic) Receipt
Dec 1, 2020
Letter accompanying subsequently filed items
Dec 1, 2020
Request for interpreters during oral proceedings
Nov 30, 2020
Notification concerning the date of oral proceedings
Nov 30, 2020
Notification concerning the date of oral proceedings
Sep 18, 2020
Communication of amended entries concerning the representative
Aug 6, 2020
Advice of delivery
Jul 28, 2020
Advice of delivery
Jul 24, 2020
Acknowledgement of a document
Jul 24, 2020
Acknowledgement of a document
Jul 24, 2020
Annex to the communication - opposition
Jul 24, 2020
Summons to attend oral proceedings
Jul 24, 2020
Summons to attend oral proceedings
Apr 2, 2020
Brief communication - Opposition proceedings
Mar 30, 2020
(Electronic) Receipt
Mar 30, 2020
Auxiliary request during Opposition procedure - 01
Mar 30, 2020
Citation in opposition procedure - 008
Mar 30, 2020
Citation in opposition procedure - 009
Mar 30, 2020
Citation in opposition procedure - 010
Mar 30, 2020
Consolidated list of cited opposition documents
Mar 30, 2020
Letter accompanying subsequently filed items
Mar 30, 2020
Reply of the patent proprietor to the notice(s) of opposition
Dec 2, 2019
Communication of a notice of opposition and request to file observations
Dec 2, 2019
Notice of further oppositions to opponent(s)
Nov 21, 2019
Communication of a notice of opposition - first information to patent proprietor
Nov 18, 2019
(Electronic) Receipt
Nov 18, 2019
Citation in opposition procedure - 001
Nov 18, 2019
Citation in opposition procedure - 001
Nov 18, 2019
Citation in opposition procedure - 001
Nov 18, 2019
Citation in opposition procedure - 002
Nov 18, 2019
Citation in opposition procedure - 002
Nov 18, 2019
Citation in opposition procedure - 002
Nov 18, 2019
Citation in opposition procedure - 003
Nov 18, 2019
Citation in opposition procedure - 003
Nov 18, 2019
Citation in opposition procedure - 003
Nov 18, 2019
Citation in opposition procedure - 004
Nov 18, 2019
Citation in opposition procedure - 004
Nov 18, 2019
Citation in opposition procedure - 004
Nov 18, 2019
Citation in opposition procedure - 005
Nov 18, 2019
Citation in opposition procedure - 006
Nov 18, 2019
Citation in opposition procedure - 006
Nov 18, 2019
Citation in opposition procedure - 006
Nov 18, 2019
Citation in opposition procedure - 007
Nov 18, 2019
International publication (Pamphlet)
Nov 18, 2019
Notice of opposition
Nov 18, 2019
Notice of opposition
Mar 4, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 24, 2019
Decision to grant a European patent
Dec 19, 2018
(Electronic) Receipt
Dec 19, 2018
Filing of the translations of the claims
Dec 19, 2018
French translation of claims
Dec 19, 2018
German translation of the claims
Dec 19, 2018
Letter accompanying subsequently filed items
Aug 10, 2018
Annex to the communication about intention to grant a European patent
Aug 10, 2018
Bibliographic data of the European patent application
Aug 10, 2018
Communication about intention to grant a European patent
Aug 10, 2018
Intention to grant (signatures)
Aug 10, 2018
Text intended for grant (clean copy)
Aug 10, 2018
Text intended for grant (version for approval)
Jul 26, 2018
Examination started
Jul 3, 2018
Communication of the registration of a transfer or change of name and/or address
Jun 21, 2018
Submission concerning a transfer of rights (applicant)
Jun 20, 2018
(Electronic) Receipt
Jun 20, 2018
(Electronic) Receipt
Jun 20, 2018
Letter accompanying subsequently filed items
Jun 20, 2018
Letter accompanying subsequently filed items
Jun 20, 2018
Reply to Written Opinion prepared by the EPO
Jun 20, 2018
Submission concerning a transfer of rights (applicant)
Jun 20, 2018
Submission concerning a transfer of rights (applicant)
Jun 20, 2018
Submission concerning a transfer of rights (applicant)
Jan 5, 2018
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Dec 11, 2017
Communication regarding the transmission of the European search report
Dec 11, 2017
European search opinion
Dec 11, 2017
Information on Search Strategy
Dec 11, 2017
Supplementary European search report
Nov 28, 2017
Search started
Apr 20, 2017
Submission concerning representation
Feb 8, 2017
Invitation to indicate correct address of inventor
Feb 8, 2017
Notification on forthcoming publication of bibliographic data
Jan 26, 2017
Letter which had not been notified
Dec 15, 2016
Communication regarding possible amendment of the application/payment of claims fee
Dec 13, 2016
Communication to designated inventor
Dec 13, 2016
Communication to designated inventor
Dec 13, 2016
Communication to designated inventor
Dec 13, 2016
Communication to designated inventor
Dec 13, 2016
Communication to designated inventor
Nov 15, 2016
(Electronic) Receipt
Nov 15, 2016
Amended claims filed after receipt of (European) search report
Nov 15, 2016
Copy of the international preliminary report on patentability
Nov 15, 2016
Copy of the international preliminary report on patentability
Nov 15, 2016
Request for entry into the European phase
Sep 20, 2016
Notification of the recording of a change
Sep 9, 2016
Information on entry into European phase
Nov 23, 2015
Priority document (electronically transmitted)
Nov 5, 2015
Copy of the international search report
Nov 5, 2015
Published international application - A1

EP3137642

ALCOA

Application Number: EP15786483A
Filing Date: Apr 23, 2015
Status: Patent Maintained As Amended; Dec 10, 2021
Publication Date: Jan 12, 2022
External Links: Slate, Register , Google Patents

IP Verse

Improved 7Xx Aluminum Casting Alloys, And Methods For Making The Same

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Dossier Documents

EP3137642