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Inverter And Control Device And Method Thereof, And Inverter System - EP3142238

The patent EP3142238 was granted to Huawei on Apr 23, 2025. The application was originally filed on Jun 16, 2015 under application number EP15810078A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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, Register, Google Patents

Patent Summary

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Patent Oppositions

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	Opposition Status
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SMA SOLAR TECHNOLOGY	Oct 23, 2019	SPECHT	ADMISSIBLE

Patent Citations (17) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation Phase	Publication Number
INTERNATIONAL-SEARCH-REPORT	CN101931215
INTERNATIONAL-SEARCH-REPORT	CN102171906
INTERNATIONAL-SEARCH-REPORT	CN103780071
INTERNATIONAL-SEARCH-REPORT	US2010327659
OPPOSITION	CN101931215
OPPOSITION	CN103312140
OPPOSITION	CN103780071
OPPOSITION	DE102008050543
OPPOSITION	DE2349161
OPPOSITION	EP1914857
OPPOSITION	EP2259419
OPPOSITION	EP2363947
OPPOSITION	US2010327659
SEARCH	CN103312140
SEARCH	EP2259419
SEARCH	US2011194216
SEARCH	US4005350

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