2Xxx Series Aluminum Lithium Alloys

Patent No. EP2675933 (titled "2Xxx Series Aluminum Lithium Alloys") was filed by Alcoa on Feb 17, 2012. The application was issued on Feb 8, 2017.

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
CONSTELLIUM ISSOIRE/C-TEC CONSTELLIUM TECHNOLOGY CENTER	Nov 8, 2017	CONSTELLIUM PROPRIETE INDUSTRIELLE

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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Jun 7, 2023
Termination of the opposition proceedings with maintenance of patent
Jun 1, 2023
Advice of delivery
May 26, 2023
Decision of the Board of Appeal
May 26, 2023
F3032 Notification(s) of the decision
May 26, 2023
F3032 Notification(s) of the decision
Mar 13, 2023
F3013 Oral Proceedings: Forwarding minutes
Mar 13, 2023
F3013 Oral Proceedings: Forwarding minutes
Mar 13, 2023
F3316 Oral Proceedings: Minutes (Appellant: Opponent)
Mar 7, 2023
Advice of delivery
Mar 6, 2023
(Electronic) Receipt
Mar 6, 2023
Letter accompanying subsequently filed items
Mar 6, 2023
Letter dealing with oral proceedings during the appeal procedure
Feb 27, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 27, 2023
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 27, 2023
Oral proceedings: change of venue
Feb 27, 2023
Oral proceedings: change of venue
Feb 23, 2023
(Electronic) Receipt
Feb 23, 2023
Advice of delivery
Feb 23, 2023
Letter accompanying subsequently filed items
Feb 17, 2023
F3345 Forwarding of submissions to parties
Feb 15, 2023
(Electronic) Receipt
Feb 15, 2023
Letter accompanying subsequently filed items
Feb 15, 2023
Letter dealing with oral proceedings during the appeal procedure
Jan 19, 2023
F3345 Forwarding of submissions to parties
Jan 16, 2023
(Electronic) Receipt
Jan 16, 2023
Letter accompanying subsequently filed items
Jan 16, 2023
Request for interpreters during oral proceedings
Jan 13, 2023
F3345 Forwarding of submissions to parties
Jan 9, 2023
(Electronic) Receipt
Jan 9, 2023
Letter accompanying subsequently filed items
Jan 9, 2023
Request for interpreters during oral proceedings
Sep 29, 2022
Advice of delivery
Sep 27, 2022
F3011.1 Oral Proceedings: summons
Sep 27, 2022
F3011.1 Oral Proceedings: summons
Sep 27, 2022
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Sep 22, 2022
F3010 Oral proceedings: order for summons
Mar 23, 2022
F3345 Forwarding of submissions to parties
Mar 18, 2022
(Electronic) Receipt
Mar 18, 2022
Letter accompanying subsequently filed items
Mar 18, 2022
Letter relating to Appeal Procedure
Feb 19, 2021
F3345 Forwarding of submissions to parties
Feb 19, 2021
F3345 Forwarding of submissions to parties
Feb 16, 2021
(Electronic) Receipt
Feb 16, 2021
Letter accompanying subsequently filed items
Feb 16, 2021
Letter relating to Appeal Procedure
Oct 30, 2020
F3345 Forwarding of submissions to parties
Oct 26, 2020
(Electronic) Receipt
Oct 26, 2020
Annexes (other than cited documents) regarding appeal procedure
Oct 26, 2020
Claims
Oct 26, 2020
Composition of the board (T)
Oct 26, 2020
Letter accompanying subsequently filed items
Oct 26, 2020
Reply to appeal
Aug 31, 2020
Communication of the registration of a transfer or change of name and/or address
Aug 31, 2020
F3345 Forwarding of submissions to parties
Aug 20, 2020
Annexes in respect of a client data request
Aug 20, 2020
Annexes in respect of a client data request
Aug 20, 2020
Annexes in respect of a client data request
Aug 20, 2020
Annexes in respect of a client data request
Aug 20, 2020
Annexes in respect of a client data request
Aug 20, 2020
Letter concerning fees and payments
Aug 20, 2020
Letter concerning fees and payments
Aug 20, 2020
Letter concerning fees and payments
Aug 20, 2020
Submission concerning a transfer of rights (proprietor)
Jun 17, 2020
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jun 11, 2020
(Electronic) Receipt
Jun 11, 2020
Letter accompanying subsequently filed items
Jun 11, 2020
Statement of grounds of appeal
Apr 14, 2020
F3204 Communication of the file number to the parties
Apr 14, 2020
F3204 Communication of the file number to the parties
Apr 7, 2020
(Electronic) Receipt
Apr 7, 2020
Letter accompanying subsequently filed items
Apr 7, 2020
Notice of appeal
Feb 10, 2020
Advice of delivery
Feb 10, 2020
Advice of delivery
Feb 4, 2020
Acknowledgement of a document
Feb 4, 2020
Acknowledgement of a document
Feb 4, 2020
Annex to the communication - opposition
Feb 4, 2020
Decision of the Opposition Division and instruction
Feb 4, 2020
Decision rejecting the opposition
Feb 4, 2020
Grounds for the decision (Annex) - opposition
Feb 4, 2020
Internal form - Opposition/addressees
Feb 4, 2020
Internal form - Opposition/addressees
Feb 4, 2020
Means of redress
Feb 4, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 4, 2020
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Feb 4, 2020
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Feb 4, 2020
Provision of a copy of the minutes - opposition procedure
Nov 18, 2019
Brief communication - Opposition proceedings
Nov 15, 2019
Information about the result of oral proceedings
Nov 13, 2019
(Electronic) Receipt
Nov 13, 2019
Letter accompanying subsequently filed items
Nov 13, 2019
Non-patent literature cited during the opposition procedure
Nov 13, 2019
Non-patent literature cited during the opposition procedure
Nov 13, 2019
Written submission in preparation to/during oral proceedings
Sep 19, 2019
Brief communication - Opposition proceedings
Sep 18, 2019
Brief communication - Opposition proceedings
Sep 13, 2019
(Electronic) Receipt
Sep 13, 2019
(Electronic) Receipt
Sep 13, 2019
Claims
Sep 13, 2019
Claims
Sep 13, 2019
Claims
Sep 13, 2019
Claims
Sep 13, 2019
Claims
Sep 13, 2019
Claims
Sep 13, 2019
Claims
Sep 13, 2019
Claims
Sep 13, 2019
Claims
Sep 13, 2019
Claims
Sep 13, 2019
Claims
Sep 13, 2019
Claims
Sep 13, 2019
Claims
Sep 13, 2019
Claims
Sep 13, 2019
Letter accompanying subsequently filed items
Sep 13, 2019
Letter accompanying subsequently filed items
Sep 13, 2019
Written submission in preparation to/during oral proceedings
Sep 13, 2019
Written submission in preparation to/during oral proceedings
Mar 13, 2019
Advice of delivery
Mar 4, 2019
Advice of delivery
Mar 1, 2019
Advice of delivery
Feb 28, 2019
Advice of delivery
Feb 25, 2019
Acknowledgement of a document
Feb 25, 2019
Acknowledgement of a document
Feb 25, 2019
Annex to the communication - opposition
Feb 25, 2019
Information concerning oral proceedings
Feb 25, 2019
Summons to attend oral proceedings
Feb 25, 2019
Summons to attend oral proceedings
Jan 29, 2019
Brief communication - Opposition proceedings
Jan 23, 2019
(Electronic) Receipt
Jan 23, 2019
Letter regarding the opposition procedure (no time limit)
Jan 23, 2019
Letter regarding the opposition procedure (no time limit)
Aug 31, 2018
Brief communication - Opposition proceedings
Aug 28, 2018
(Electronic) Receipt
Aug 28, 2018
Claims
Aug 28, 2018
Claims
Aug 28, 2018
Claims
Aug 28, 2018
Letter accompanying subsequently filed items
Aug 28, 2018
Reply of the patent proprietor to the notice(s) of opposition
Apr 19, 2018
Communication of a notice of opposition and request to file observations
Apr 19, 2018
Notice of further oppositions to opponent(s)
Nov 17, 2017
Communication of a notice of opposition - first information to patent proprietor
Nov 8, 2017
(Electronic) Receipt
Nov 8, 2017
General authorisation
Nov 8, 2017
General authorisation
Nov 8, 2017
Notice of opposition
Nov 8, 2017
Notice of opposition
Nov 8, 2017
Patent document cited during the opposition procedure
Nov 8, 2017
Patent document cited during the opposition procedure
Nov 8, 2017
Patent document cited during the opposition procedure
Nov 8, 2017
Patent document cited during the opposition procedure
Nov 8, 2017
Patent document cited during the opposition procedure
Nov 8, 2017
Patent document cited during the opposition procedure
Nov 8, 2017
Patent document cited during the opposition procedure
Nov 8, 2017
Translation of the evidence during Opposition procedure
Mar 9, 2017
Communication of the registration of a transfer or change of name and/or address
Mar 2, 2017
Submission concerning change of applicant's name
Mar 2, 2017
Submission concerning change of applicant's name
Feb 9, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 27, 2017
Communication of the registration of a transfer or change of name and/or address
Jan 24, 2017
Annexes in respect of a client data request
Jan 24, 2017
Submission concerning change of applicant's name
Jan 23, 2017
Annexes in respect of a client data request
Jan 23, 2017
Annexes in respect of a client data request
Jan 23, 2017
Submission concerning change of applicant's name
Jan 12, 2017
Decision to grant a European patent
Dec 23, 2016
Filing of the translations of the claims
Dec 23, 2016
French translation of claims
Dec 23, 2016
German translation of the claims
Dec 23, 2016
Payment of fees and costs
Dec 22, 2016
Filing of the translations of the claims
Dec 22, 2016
French translation of claims
Dec 22, 2016
German translation of the claims
Dec 22, 2016
Payment of fees and costs
Dec 22, 2016
Payment of fees and costs
Nov 25, 2016
Bibliographic data of the European patent application
Nov 25, 2016
Communication about intention to grant a European patent
Nov 25, 2016
Intention to grant (signatures)
Nov 25, 2016
Text intended for grant (clean copy)
Nov 25, 2016
Text intended for grant (version for approval)
Nov 10, 2016
Notification concerning the date of oral proceedings
Nov 8, 2016
Annex to the communication
Nov 8, 2016
Consultation by telephone/in person
Nov 8, 2016
Notification concerning the date of oral proceedings
Nov 8, 2016
Result of consultation by telephone/in person
Nov 4, 2016
Annex to the communication
Nov 4, 2016
Consultation by telephone/in person
Nov 4, 2016
Result of consultation by telephone/in person
Oct 7, 2016
Claims
Oct 7, 2016
Letter dealing with oral proceedings
Oct 7, 2016
Non-scannable object
Oct 7, 2016
Non-scannable object
Oct 6, 2016
Claims
Oct 6, 2016
Letter dealing with oral proceedings
Oct 6, 2016
Non-patent literature cited during the examination procedure
Sep 29, 2016
Submission concerning representation
Sep 19, 2016
Communication of amended entries concerning the representative
Sep 13, 2016
Submission concerning change of applicant's representative
Jun 23, 2016
Advice of delivery
Jun 21, 2016
Acknowledgement of a document
Jun 21, 2016
Annex to the communication
Jun 21, 2016
Preparation for oral proceedings
Jun 21, 2016
Summons to attend oral proceedings
Apr 1, 2016
Non-patent literature cited during the examination procedure
Apr 1, 2016
Reply to communication from the Examining Division
Mar 30, 2016
Non-patent literature cited during the examination procedure
Mar 30, 2016
Reply to communication from the Examining Division
Nov 20, 2015
Annex to the communication
Nov 20, 2015
Communication from the Examining Division
Nov 5, 2015
Reply to communication from the Examining Division
Nov 4, 2015
Grant of extension of time limit (examination procedure)
Nov 4, 2015
Reply to communication from the Examining Division
Oct 31, 2015
Letter filed during examination procedure after communication from the Examining Division
Oct 29, 2015
Request for extension of time limit to communication from the Examining Division
Jun 22, 2015
Annex to the communication
Jun 22, 2015
Communication from the Examining Division
Jun 11, 2015
Examination started
Apr 11, 2015
Amended claims filed after receipt of (European) search report
Apr 11, 2015
Amendments received before examination
Apr 11, 2015
Non-patent literature cited during the examination procedure
Apr 10, 2015
Amended claims filed after receipt of (European) search report
Apr 10, 2015
Amendments received before examination
Apr 10, 2015
Non-patent literature cited during the examination procedure
Oct 8, 2014
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Sep 19, 2014
Communication regarding the transmission of the European search report
Sep 19, 2014
European search opinion
Sep 19, 2014
Supplementary European search report
Aug 18, 2014
Search started
Nov 27, 2013
Notification on forthcoming publication of bibliographic data
Oct 1, 2013
Communication regarding possible amendment of the application/payment of claims fee
Sep 20, 2013
Communication to designated inventor
Sep 20, 2013
Communication to designated inventor
Sep 20, 2013
Communication to designated inventor
Sep 20, 2013
Communication to designated inventor
Sep 3, 2013
Copy of the international preliminary report on patentability
Aug 23, 2013
(Electronic) Receipt
Aug 23, 2013
Amended claims filed after receipt of (European) search report
Aug 23, 2013
Priority search results
Aug 23, 2013
Request for entry into the European phase
Jun 28, 2013
Information on entry into European phase
Jan 24, 2013
Copy of the international search report
Jan 24, 2013
Copy of the international search report
Jan 24, 2013
International publication of the international search report
Sep 11, 2012
Priority document (electronically transmitted)
Aug 23, 2012
Published international application - A2

EP2675933

ALCOA

Application Number: EP12747128A
Filing Date: Feb 17, 2012
Status: Opposition Rejected; Jun 9, 2023
Publication Date: Feb 8, 2017
External Links: Slate, Register , Google Patents

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2Xxx Series Aluminum Lithium Alloys

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Dossier Documents

EP2675933