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Inverter And Control Device And Method Thereof, And Inverter System

Patent No. EP3142238 (titled "Inverter And Control Device And Method Thereof, And Inverter System") was filed by Huawei on Jun 16, 2015. The application was issued on Apr 23, 2025.

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
SMA SOLAR TECHNOLOGY	Oct 23, 2019	SPECHT

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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Mar 27, 2025
Decision to maintain the European patent in amended form
Mar 27, 2025
Decision to maintain the European patent in amended form
Mar 19, 2025
(Electronic) Receipt
Mar 19, 2025
Filing of the translation of the amended claims
Mar 19, 2025
French translation of claims
Mar 19, 2025
German translation of the claims
Dec 19, 2024
Communication to opponent concerning maintenance
Dec 19, 2024
Communication with request to file translations
Dec 16, 2024
Maintenance of the patent with the documents specified in the final decision
Dec 9, 2024
Refund of fees
Dec 5, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Dec 5, 2024
F3324 Closure of the appeal proceedings: withdrawal of the appeal/ application/ opposition
Dec 4, 2024
F3013 Oral Proceedings: Forwarding minutes
Dec 4, 2024
F3013 Oral Proceedings: Forwarding minutes
Dec 4, 2024
F3315 Oral Proceedings: Minutes (Appellant : Proprietor)
Nov 26, 2024
F3022 Oral proceedings: change of board composition
Nov 26, 2024
F3022 Oral proceedings: change of board composition
Nov 26, 2024
F3303.16 Change of composition of the Board (T)
Nov 4, 2024
F3011.1 Oral Proceedings: summons
Nov 4, 2024
F3011.1 Oral Proceedings: summons
Nov 4, 2024
F3345 Forwarding of submissions to parties
Oct 31, 2024
F3345 Forwarding of submissions to parties
Oct 29, 2024
(Electronic) Receipt
Oct 29, 2024
F3010 Oral proceedings: order for summons
Oct 29, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Oct 29, 2024
F3017 Oral Proceedings: Notification of cancellation/postponing
Oct 29, 2024
Letter accompanying subsequently filed items
Oct 29, 2024
Letter dealing with oral proceedings during the appeal procedure
Oct 28, 2024
(Electronic) Receipt
Oct 28, 2024
F3014 Oral Proceedings: Order cancelling/postponing
Oct 28, 2024
Letter accompanying subsequently filed items
Oct 28, 2024
Letter dealing with oral proceedings during the appeal procedure
Oct 14, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 14, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 11, 2024
F3345 Forwarding of submissions to parties
Oct 10, 2024
(Electronic) Receipt
Oct 10, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 10, 2024
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Oct 10, 2024
Letter accompanying subsequently filed items
Oct 10, 2024
Letter relating to Appeal Procedure
Oct 9, 2024
F3345 Forwarding of submissions to parties
Oct 8, 2024
(Electronic) Receipt
Oct 8, 2024
Amended claims with annotations
Oct 8, 2024
Auxiliary request during appeals procedure - 02
Oct 8, 2024
F3018 Oral proceedings: Confirmation interpreters
Oct 8, 2024
F3018 Oral proceedings: Confirmation interpreters
Oct 8, 2024
Letter accompanying subsequently filed items
Oct 8, 2024
Letter dealing with oral proceedings during the appeal procedure
Sep 26, 2024
F3345 Forwarding of submissions to parties
Sep 25, 2024
(Electronic) Receipt
Sep 25, 2024
Letter accompanying subsequently filed items
Sep 25, 2024
Request for interpreters during oral proceedings
Jul 12, 2024
Letter accompanying subsequently filed items
Jul 12, 2024
Letter relating to refund instructions (deposit account)
Jun 5, 2024
F3011.1 Oral Proceedings: summons
Jun 5, 2024
F3011.1 Oral Proceedings: summons
Jun 5, 2024
F3350 Communication regarding oral proceedings (art. 15 Rules of Procedure of the Boards of Appeal)
Jun 5, 2024
Letter relating to the request for the automatic debiting procedure
May 29, 2024
F3010 Oral proceedings: order for summons
Apr 11, 2024
F3303.16 Change of composition of the Board (T)
Apr 8, 2024
F3303.16 Change of composition of the Board (T)
Feb 15, 2024
F3345 Forwarding of submissions to parties
Feb 9, 2024
(Electronic) Receipt
Feb 9, 2024
Letter accompanying subsequently filed items
Feb 9, 2024
Letter relating to Appeal Procedure
Jul 25, 2022
Composition of the board (T)
Jun 28, 2022
F3345 Forwarding of submissions to parties
Jun 23, 2022
(Electronic) Receipt
Jun 23, 2022
Letter accompanying subsequently filed items
Jun 23, 2022
Reply to appeal
Jun 23, 2022
Request for change of opponent's representative
Feb 14, 2022
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Feb 8, 2022
(Electronic) Receipt
Feb 8, 2022
Amended claims with annotations
Feb 8, 2022
Claims
Feb 8, 2022
Claims
Feb 8, 2022
Letter accompanying subsequently filed items
Feb 8, 2022
Statement of grounds of appeal
Dec 23, 2021
F3345 Forwarding of submissions to parties
Dec 22, 2021
Communication confirming withdrawal from representation
Dec 22, 2021
Communication of amended entries concerning the representative
Dec 15, 2021
(Electronic) Receipt
Dec 15, 2021
Letter accompanying subsequently filed items
Dec 15, 2021
Submission concerning change of proprietor's representative
Dec 10, 2021
F3204 Communication of the file number to the parties
Dec 10, 2021
F3204 Communication of the file number to the parties
Dec 8, 2021
(Electronic) Receipt
Dec 8, 2021
Letter accompanying subsequently filed items
Dec 8, 2021
Submission concerning change of proprietor's representative
Nov 29, 2021
(Electronic) Receipt
Nov 29, 2021
Letter accompanying subsequently filed items
Nov 29, 2021
Notice of appeal
Oct 4, 2021
Advice of delivery
Sep 30, 2021
Advice of delivery
Sep 28, 2021
Annex to the communication - opposition
Sep 28, 2021
Decision of the Opposition Division and instruction
Sep 28, 2021
Druckexemplar in opposition procedure
Sep 28, 2021
Grounds for the decision (Annex) - opposition
Sep 28, 2021
Interlocutory decision in opposition proceedings
Sep 28, 2021
Interlocutory decision in opposition proceedings
Sep 28, 2021
Means of redress
Sep 28, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 28, 2021
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 28, 2021
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Sep 28, 2021
Provision of a copy of the minutes - opposition procedure
Sep 28, 2021
Provision of a copy of the minutes - opposition procedure
Sep 28, 2021
Scanned annex to a communication - opposition procedure
Sep 28, 2021
Scanned annex to a communication - opposition procedure
Sep 28, 2021
Transmittal of decision / summons - opposition
Sep 28, 2021
Transmittal of decision / summons - opposition
Jul 2, 2021
Brief communication - Opposition proceedings
Jun 30, 2021
Information about the result of oral proceedings
Jun 29, 2021
(Electronic) Receipt
Jun 29, 2021
Auxiliary request during Opposition procedure
Jun 29, 2021
Auxiliary request during Opposition procedure
Jun 29, 2021
Auxiliary request during Opposition procedure - 01
Jun 29, 2021
Auxiliary request during Opposition procedure - 02
Jun 29, 2021
Letter accompanying subsequently filed items
Jun 29, 2021
Written submission in preparation to/during oral proceedings
Jun 25, 2021
Brief communication - Opposition proceedings
Jun 25, 2021
Brief communication - Opposition proceedings
Jun 24, 2021
Brief communication - Opposition proceedings
Jun 11, 2021
(Electronic) Receipt
Jun 11, 2021
Letter accompanying subsequently filed items
Jun 11, 2021
Written submission in preparation to/during oral proceedings
May 21, 2021
Brief communication - Opposition proceedings
May 18, 2021
(Electronic) Receipt
May 18, 2021
Letter accompanying subsequently filed items
May 18, 2021
Request for interpreters during oral proceedings
May 10, 2021
Brief communication - Opposition proceedings
May 10, 2021
Brief communication - Opposition proceedings
May 6, 2021
Brief communication - Opposition proceedings
May 6, 2021
Brief communication - Opposition proceedings
Apr 30, 2021
(Electronic) Receipt
Apr 30, 2021
Letter accompanying subsequently filed items
Apr 30, 2021
Written submission in preparation to/during oral proceedings
Apr 29, 2021
(Electronic) Receipt
Apr 29, 2021
Letter accompanying subsequently filed items
Apr 29, 2021
Request for interpreters during oral proceedings
Apr 28, 2021
(Electronic) Receipt
Apr 28, 2021
Auxiliary request during Opposition procedure
Apr 28, 2021
Auxiliary request during Opposition procedure
Apr 28, 2021
Auxiliary request during Opposition procedure - 01
Apr 28, 2021
Auxiliary request during Opposition procedure - 02
Apr 28, 2021
Letter accompanying subsequently filed items
Apr 28, 2021
Written submission in preparation to/during oral proceedings
Feb 5, 2021
Notification concerning the date of oral proceedings
Feb 5, 2021
Notification concerning the date of oral proceedings
Jun 18, 2020
Advice of delivery
Jun 15, 2020
Advice of delivery
Jun 8, 2020
Acknowledgement of a document
Jun 8, 2020
Acknowledgement of a document
Jun 8, 2020
Annex to the communication - opposition
Jun 8, 2020
Information concerning oral proceedings
Jun 8, 2020
Summons to attend oral proceedings
Jun 8, 2020
Summons to attend oral proceedings
Mar 19, 2020
Brief communication - Opposition proceedings
Mar 16, 2020
(Electronic) Receipt
Mar 16, 2020
Letter accompanying subsequently filed items
Mar 16, 2020
Reply of the patent proprietor to the notice(s) of opposition
Nov 25, 2019
Brief communication - Opposition proceedings
Nov 25, 2019
Communication of amended entries concerning the representative
Nov 20, 2019
(Electronic) Receipt
Nov 20, 2019
Submission concerning change of proprietor's representative
Nov 19, 2019
Brief communication - Opposition proceedings
Nov 19, 2019
Communication confirming withdrawal from representation
Nov 19, 2019
Communication of amended entries concerning the representative
Nov 13, 2019
(Electronic) Receipt
Nov 13, 2019
Submission concerning change of proprietor's representative
Nov 7, 2019
Communication of a notice of opposition and request to file observations
Nov 7, 2019
Notice of further oppositions to opponent(s)
Oct 29, 2019
Communication of a notice of opposition - first information to patent proprietor
Oct 25, 2019
Result of consultation by telephone/in person
Oct 23, 2019
(Electronic) Receipt
Oct 23, 2019
Citation in opposition procedure - 001
Oct 23, 2019
Citation in opposition procedure - 002
Oct 23, 2019
Citation in opposition procedure - 002
Oct 23, 2019
Citation in opposition procedure - 003
Oct 23, 2019
Citation in opposition procedure - 004
Oct 23, 2019
Citation in opposition procedure - 004
Oct 23, 2019
Citation in opposition procedure - 005
Oct 23, 2019
Citation in opposition procedure - 006
Oct 23, 2019
Citation in opposition procedure - 007
Oct 23, 2019
Citation in opposition procedure - 007
Oct 23, 2019
Citation in opposition procedure - 008
Oct 23, 2019
Citation in opposition procedure - 009
Oct 23, 2019
Consolidated list of cited opposition documents
Oct 23, 2019
International publication pamphlet
Oct 23, 2019
Notice of opposition
Oct 23, 2019
Notice of opposition
Feb 4, 2019
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Jan 7, 2019
Decision to grant a European patent
Dec 7, 2018
(Electronic) Receipt
Dec 7, 2018
French translation of claims
Dec 7, 2018
German translation of the claims
Dec 7, 2018
Letter accompanying subsequently filed items
Aug 3, 2018
Bibliographic data of the European patent application
Aug 3, 2018
Communication about intention to grant a European patent
Aug 3, 2018
Intention to grant (signatures)
Aug 3, 2018
Text intended for grant (clean copy)
Aug 3, 2018
Text intended for grant (version for approval)
Jul 17, 2018
Examination started
Feb 13, 2018
Transmittal of third party observations to applicant
Feb 7, 2018
Observations by third parties
Dec 27, 2017
(Electronic) Receipt
Dec 27, 2017
Priority search results
Dec 27, 2017
Reply to invitation to file a copy of priority search results
Dec 15, 2017
Invitation to file a copy of search results(priority)
Dec 1, 2017
(Electronic) Receipt
Dec 1, 2017
Maintenance of the application
Jun 16, 2017
Invitation to declare maintenance of the application and to correct deficiencies in the Written Opinion/amend application
May 29, 2017
Communication regarding the transmission of the European search report
May 29, 2017
European search opinion
May 29, 2017
Information on Search Strategy
May 29, 2017
Supplementary European search report
May 11, 2017
Search started
Feb 15, 2017
Notification of forthcoming publication
Jan 25, 2017
CDS Clean up - amended applicant details
Jan 25, 2017
Communication to designated inventor
Jan 25, 2017
Communication to designated inventor
Jan 3, 2017
Copy of the international preliminary report on patentability
Jan 3, 2017
Translation of the international preliminary report on patentability
Dec 8, 2016
(Electronic) Receipt
Dec 8, 2016
Abstract
Dec 8, 2016
Abstract
Dec 8, 2016
Amended claims filed after receipt of (European) search report
Dec 8, 2016
Amended claims with annotations
Dec 8, 2016
Amended description filed after receipt of (European) search report
Dec 8, 2016
Amended description with annotations
Dec 8, 2016
Claims
Dec 8, 2016
Description
Dec 8, 2016
Drawings
Dec 8, 2016
Drawings
Dec 8, 2016
Request for entry into the European phase
Oct 28, 2016
Information on entry into European phase
Jan 13, 2016
Priority document (electronically transmitted)
Dec 23, 2015
Copy of the international search report
Dec 23, 2015
Copy of the translated international search report
Dec 23, 2015
International publication pamphlet

EP3142238

HUAWEI

Application Number: EP15810078A
Filing Date: Jun 16, 2015
Status: Patent Maintained As Amended; Mar 21, 2025
Publication Date: Apr 23, 2025
External Links: Slate, EP3142238B2, Google Patents

IP Verse

Inverter And Control Device And Method Thereof, And Inverter System

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP3142238