Alternating-Current Welding Method And Alternating-Current Welding Device

Patent No. EP2431119 (titled "Alternating-Current Welding Method And Alternating-Current Welding Device") was filed by Panasonic on Feb 15, 2011. The application was issued on Aug 7, 2024.

Patent Family

Statuses, jurisdictions and citation links are shared on request.

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
FRONIUS	May 17, 2017	BRATOVIC

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

Jul 11, 2024
Decision to maintain the European patent in amended form
Jul 11, 2024
Decision to maintain the European patent in amended form
Jun 28, 2024
(Electronic) Receipt
Jun 28, 2024
Filing of the translation of the amended claims
Jun 28, 2024
French translation of claims
Jun 28, 2024
German translation of the claims
Jun 28, 2024
Letter accompanying subsequently filed items
Mar 28, 2024
Communication of bibliographic data
Mar 28, 2024
Communication to opponent concerning maintenance
Mar 28, 2024
Communication with request to file translations
Mar 22, 2024
Maintenance of the patent with the documents specified in the final decision
Dec 27, 2023
Advice of delivery
Dec 15, 2023
Decision of the Opposition Division and instruction
Dec 15, 2023
Druckexemplar in opposition procedure
Dec 15, 2023
Grounds for the decision (Annex) - opposition
Dec 15, 2023
Interlocutory decision in opposition proceedings
Dec 15, 2023
Interlocutory decision in opposition proceedings
Dec 15, 2023
Means of redress
Dec 15, 2023
Scanned annex to a communication - opposition procedure
Dec 15, 2023
Transmittal of decision / summons - opposition
Dec 15, 2023
Transmittal of decision / summons - opposition
Sep 12, 2023
Brief communication - Opposition proceedings
Sep 12, 2023
Communication of amended entries
Sep 12, 2023
Communication of amended entries
Aug 31, 2023
Letter accompanying subsequently filed items
Aug 31, 2023
Request for change of opponent's representative
Aug 28, 2023
Brief communication - Opposition proceedings
Aug 22, 2023
(Electronic) Receipt
Aug 22, 2023
Amended description with annotations
Aug 22, 2023
Clean copy of description pages in the opposition procedure
Aug 22, 2023
Letter accompanying subsequently filed items
Aug 22, 2023
Reply to an examination report in opposition proceedings
Jul 10, 2023
Annex to the communication - opposition
Jul 10, 2023
Brief communication - Opposition proceedings
Jul 10, 2023
Brief communication - Opposition proceedings
Jul 10, 2023
Communication inviting the parties to file observations
Jul 10, 2023
Communication inviting the parties to file observations
Jun 14, 2023
Brief communication - Opposition proceedings
Jun 9, 2023
(Electronic) Receipt
Jun 9, 2023
Letter accompanying subsequently filed items
Jun 9, 2023
Letter regarding the opposition procedure (no time limit)
Mar 13, 2023
Brief communication - Opposition proceedings
Mar 7, 2023
(Electronic) Receipt
Mar 7, 2023
Amended description with annotations
Mar 7, 2023
Clean copy of description pages in the opposition procedure
Mar 7, 2023
Letter accompanying subsequently filed items
Mar 7, 2023
Letter regarding the opposition procedure (no time limit)
Feb 6, 2023
Annex to the communication - opposition
Feb 6, 2023
Brief communication - Opposition proceedings
Feb 6, 2023
Brief communication - Opposition proceedings
Feb 6, 2023
Communication inviting the parties to file observations
Feb 6, 2023
Communication inviting the parties to file observations
Feb 3, 2023
Notification concerning the date of oral proceedings
Feb 3, 2023
Notification concerning the date of oral proceedings
Jan 26, 2023
Brief communication - Opposition proceedings
Jan 23, 2023
(Electronic) Receipt
Jan 23, 2023
Letter accompanying subsequently filed items
Jan 23, 2023
Oral proceedings: Request for postponement
Nov 30, 2022
Notification concerning the date of oral proceedings
Nov 30, 2022
Notification concerning the date of oral proceedings
Oct 28, 2022
Annex to the communication - opposition
Oct 28, 2022
Information concerning oral proceedings
Oct 28, 2022
Transmittal of decision / summons - opposition
Oct 28, 2022
Transmittal of decision / summons - opposition
Jun 24, 2022
Decision of the Board of Appeal
Jun 24, 2022
Decision of the Board of Appeal
Jun 24, 2022
F3032 Notification(s) of the decision
Jun 24, 2022
F3032 Notification(s) of the decision
May 31, 2022
F3013 Oral Proceedings: Forwarding minutes
May 31, 2022
F3013 Oral Proceedings: Forwarding minutes
May 31, 2022
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
May 31, 2022
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Apr 26, 2022
F3345 Forwarding of submissions to parties
Apr 21, 2022
(Electronic) Receipt
Apr 21, 2022
Letter accompanying subsequently filed items
Apr 21, 2022
Oral proceedings: reply to date proposed
Apr 11, 2022
F3345 Forwarding of submissions to parties
Apr 8, 2022
(Electronic) Receipt
Apr 8, 2022
Letter accompanying subsequently filed items
Apr 8, 2022
Letter relating to Appeal Procedure
Apr 4, 2022
F3345 Forwarding of submissions to parties
Apr 4, 2022
Oral proceedings: change of venue
Apr 4, 2022
Oral proceedings: change of venue
Mar 31, 2022
(Electronic) Receipt
Mar 31, 2022
Letter accompanying subsequently filed items
Mar 31, 2022
Letter relating to Appeal Procedure
Mar 5, 2021
Advice of delivery
Mar 2, 2021
Advice of delivery
Feb 26, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 26, 2021
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Feb 24, 2021
F3011.1 Oral Proceedings: summons
Feb 24, 2021
F3011.1 Oral Proceedings: summons
Feb 19, 2021
F3010 Oral proceedings: order for summons
Nov 18, 2020
Composition of the board (T)
Dec 17, 2019
F3345 Forwarding of submissions to parties
Dec 9, 2019
(Electronic) Receipt
Dec 9, 2019
Annexes (other than cited documents) regarding appeal procedure
Dec 9, 2019
Annexes (other than cited documents) regarding appeal procedure
Dec 9, 2019
Annexes (other than cited documents) regarding appeal procedure
Dec 9, 2019
Letter accompanying subsequently filed items
Dec 9, 2019
Patent Document cited during the appeal procedure
Dec 9, 2019
Patent Document cited during the appeal procedure
Dec 9, 2019
Patent Document cited during the appeal procedure
Dec 9, 2019
Patent Document cited during the appeal procedure
Dec 9, 2019
Patent Document cited during the appeal procedure
Dec 9, 2019
Patent Document cited during the appeal procedure
Dec 9, 2019
Patent Document cited during the appeal procedure
Dec 9, 2019
Patent Document cited during the appeal procedure
Dec 9, 2019
Patent Document cited during the appeal procedure
Dec 9, 2019
Patent Document cited during the appeal procedure
Dec 9, 2019
Patent Document cited during the appeal procedure
Dec 9, 2019
Patent Document cited during the appeal procedure
Dec 9, 2019
Patent Document cited during the appeal procedure
Dec 9, 2019
Patent Document cited during the appeal procedure
Dec 9, 2019
Patent Document cited during the appeal procedure
Dec 9, 2019
Reply to appeal
Oct 23, 2019
F3057 Communication: Change of responsibility of a Board of Appeal
Oct 23, 2019
F3057 Communication: Change of responsibility of a Board of Appeal
Jul 30, 2019
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jul 19, 2019
(Electronic) Receipt
Jul 19, 2019
Amended claims with annotations
Jul 19, 2019
Amended claims with annotations
Jul 19, 2019
Amended claims with annotations
Jul 19, 2019
Amended claims with annotations
Jul 19, 2019
Amended claims with annotations
Jul 19, 2019
Claims
Jul 19, 2019
Claims
Jul 19, 2019
Claims
Jul 19, 2019
Claims
Jul 19, 2019
Claims
Jul 19, 2019
Letter accompanying subsequently filed items
Jul 19, 2019
Statement of grounds of appeal
May 22, 2019
F3204 Communication of the file number to the parties
May 14, 2019
Processing of an appeal
May 10, 2019
(Electronic) Receipt
May 10, 2019
Letter accompanying subsequently filed items
May 10, 2019
Notice of appeal
Apr 4, 2019
Advice of delivery
Mar 18, 2019
Advice of delivery
Mar 18, 2019
Advice of delivery
Mar 15, 2019
Advice of delivery
Mar 13, 2019
Acknowledgement of a document
Mar 13, 2019
Acknowledgement of a document
Mar 13, 2019
Annex to the communication - opposition
Mar 13, 2019
Decision of the Opposition Division and instruction
Mar 13, 2019
Decision revoking the European patent
Mar 13, 2019
Grounds for the decision (Annex) - opposition
Mar 13, 2019
Internal form - Opposition/addressees
Mar 13, 2019
Internal form - Opposition/addressees
Mar 13, 2019
Means of redress
Mar 13, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 13, 2019
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Mar 13, 2019
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Mar 13, 2019
Provision of a copy of the minutes - opposition procedure
Mar 13, 2019
Scanned annex to a communication - opposition procedure
Mar 13, 2019
Scanned annex to a communication - opposition procedure
Feb 6, 2019
Information about the result of oral proceedings
Dec 12, 2018
Brief communication - Opposition proceedings
Dec 12, 2018
Brief communication - Opposition proceedings
Dec 6, 2018
(Electronic) Receipt
Dec 6, 2018
(Electronic) Receipt
Dec 6, 2018
Brief communication - Opposition proceedings
Dec 6, 2018
Letter accompanying subsequently filed items
Dec 6, 2018
Letter accompanying subsequently filed items
Dec 6, 2018
Translation of the evidence during Opposition procedure
Dec 6, 2018
Written submission in preparation to/during oral proceedings
Dec 6, 2018
Written submission in preparation to/during oral proceedings
Dec 3, 2018
(Electronic) Receipt
Dec 3, 2018
Letter accompanying subsequently filed items
Dec 3, 2018
Request for interpreters during oral proceedings
Jun 29, 2018
Brief communication - Opposition proceedings
Jun 25, 2018
(Electronic) Receipt
Jun 25, 2018
Letter accompanying subsequently filed items
Jun 25, 2018
Request for interpreters during oral proceedings
May 28, 2018
Advice of delivery
May 17, 2018
Advice of delivery
May 16, 2018
Advice of delivery
May 16, 2018
Advice of delivery
May 11, 2018
Acknowledgement of a document
May 11, 2018
Acknowledgement of a document
May 11, 2018
Annex to the communication - opposition
May 11, 2018
Information concerning oral proceedings
May 11, 2018
Information concerning oral proceedings
May 11, 2018
Preparation for oral proceedings
May 11, 2018
Summons to attend oral proceedings
May 11, 2018
Summons to attend oral proceedings
Oct 27, 2017
Brief communication - Opposition proceedings
Oct 24, 2017
(Electronic) Receipt
Oct 24, 2017
Amended claims with annotations
Oct 24, 2017
Claims
Oct 24, 2017
Letter accompanying subsequently filed items
Oct 24, 2017
Patent document cited during the opposition procedure
Oct 24, 2017
Reply of the patent proprietor to the notice(s) of opposition
Jun 22, 2017
Communication of a notice of opposition and request to file observations
Jun 22, 2017
Notice of further oppositions to opponent(s)
May 23, 2017
Communication of a notice of opposition - first information to patent proprietor
May 17, 2017
(Electronic) Receipt
May 17, 2017
Notice of opposition
May 17, 2017
Notice of opposition
May 17, 2017
Patent document cited during the examination procedure
May 17, 2017
Patent document cited during the examination procedure
May 17, 2017
Patent document cited during the examination procedure
May 17, 2017
Patent document cited during the examination procedure
May 17, 2017
Patent document cited during the examination procedure
May 17, 2017
Patent document cited during the examination procedure
May 17, 2017
Patent document cited during the opposition procedure
May 17, 2017
Patent document cited during the opposition procedure
May 17, 2017
Patent document cited during the opposition procedure
May 17, 2017
Patent document cited during the opposition procedure
May 17, 2017
Patent document cited during the opposition procedure
May 17, 2017
Patent document cited during the opposition procedure
May 17, 2017
Patent document cited during the opposition procedure
Aug 17, 2016
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jul 21, 2016
Decision to grant a European patent
Jul 7, 2016
(Electronic) Receipt
Jul 7, 2016
Filing of the translations of the claims
Jul 7, 2016
French translation of claims
Jul 7, 2016
German translation of the claims
Jul 7, 2016
Letter accompanying subsequently filed items
May 25, 2016
Bibliographic data of the European patent application
May 25, 2016
Communication about intention to grant a European patent
May 25, 2016
Intention to grant (signatures)
May 25, 2016
Text intended for grant
Apr 12, 2016
Examination started
Jan 21, 2016
Communication of amended entries concerning the representative
Jan 13, 2016
Submission concerning change of applicant's representative
Jan 7, 2016
Submission concerning change of applicant's representative
May 11, 2015
(Electronic) Receipt
May 11, 2015
Amended claims filed after receipt of (European) search report
May 11, 2015
Amended claims with annotations
May 11, 2015
Amendments received before examination
May 11, 2015
Letter accompanying subsequently filed items
Feb 20, 2015
Communication concerning corrected entries of the applicant
Feb 12, 2015
Communication of the registration of a transfer or change of name and/or address
Jan 29, 2015
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
Jan 29, 2015
Submission concerning a transfer of rights (applicant)
Jan 12, 2015
Communication regarding the transmission of the European search report
Jan 12, 2015
European search opinion
Jan 12, 2015
Supplementary European search report
Dec 11, 2014
Search started
Feb 3, 2014
Communication of expected date of establishment of search report
Jan 24, 2014
Enquiry as to when the search report can be expected
Oct 2, 2012
Translation of the international preliminary report on patentability
Sep 28, 2012
Communication to designated inventor
Sep 28, 2012
Communication to designated inventor
Sep 28, 2012
Communication to designated inventor
Sep 28, 2012
Communication to designated inventor
Sep 27, 2012
CDS Clean up - amended data concerning the representative for the applicant
Sep 11, 2012
Copy of the international preliminary report on patentability
Sep 11, 2012
Reply by International Bureau
Aug 31, 2012
Enquiry with the International Bureau
Feb 22, 2012
Notification of forthcoming publication
Jan 17, 2012
Communication regarding possible amendment of the application/payment of claims fee
Dec 2, 2011
(Electronic) Receipt
Dec 2, 2011
Abstract
Dec 2, 2011
Claims
Dec 2, 2011
Description
Dec 2, 2011
Drawings
Dec 2, 2011
Request for entry into the European phase
Sep 19, 2011
Priority document (electronically transmitted)
Sep 1, 2011
Copy of the international search report
Sep 1, 2011
Copy of the translated international search report
Sep 1, 2011
International publication pamphlet

EP2431119

PANASONIC

Application Number: EP11746995A
Filing Date: Feb 15, 2011
Status: Patent Maintained As Amended; Jul 5, 2024
Publication Date: Aug 7, 2024
External Links: Slate, Register , Google Patents

IP Verse

Alternating-Current Welding Method And Alternating-Current Welding Device

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP2431119