Intelligent Current Control Apparatus

Patent No. EP3709465 (titled "Intelligent Current Control Apparatus") was filed by Delta Electronics on Jul 1, 2019. The application was issued on Oct 29, 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	Jul 19, 2023	LAHNOR

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

Get instant alerts for new documents

Oct 2, 2025
Decision to maintain the European patent in amended form
Oct 2, 2025
Decision to maintain the European patent in amended form
Sep 24, 2025
(Electronic) Receipt
Sep 24, 2025
Filing of the translation of the amended claims
Sep 24, 2025
French translation of claims
Sep 24, 2025
German translation of the claims
Sep 24, 2025
Letter accompanying subsequently filed items
Aug 19, 2025
Communication to opponent concerning maintenance
Aug 19, 2025
Communication with request to file translations
Aug 11, 2025
Maintenance of the patent with the documents specified in the final decision
Apr 23, 2025
Annex to the communication - opposition
Apr 23, 2025
Brief communication - Opposition proceedings
Apr 23, 2025
Brief communication - Opposition proceedings
Apr 23, 2025
Decision of the Opposition Division and instruction
Apr 23, 2025
Druckexemplar in opposition procedure
Apr 23, 2025
Grounds for the decision (Annex) - opposition
Apr 23, 2025
Interlocutory decision in opposition proceedings
Apr 23, 2025
Interlocutory decision in opposition proceedings
Apr 23, 2025
Means of redress
Apr 23, 2025
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Apr 23, 2025
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Apr 23, 2025
Provision of a copy of the minutes - opposition procedure
Apr 23, 2025
Provision of a copy of the minutes - opposition procedure
Apr 23, 2025
Scanned annex to a communication - opposition procedure
Apr 23, 2025
Scanned annex to a communication - opposition procedure
Apr 23, 2025
Scanned annex to a communication - opposition procedure
Apr 23, 2025
Scanned annex to a communication - opposition procedure
Apr 23, 2025
Scanned annex to a communication - opposition procedure
Apr 23, 2025
Scanned annex to a communication - opposition procedure
Apr 23, 2025
Scanned annex to a communication - opposition procedure
Apr 23, 2025
Scanned annex to a communication - opposition procedure
Apr 23, 2025
Scanned annex to a communication - opposition procedure
Apr 23, 2025
Scanned annex to a communication - opposition procedure
Apr 23, 2025
Scanned annex to a communication - opposition procedure
Apr 23, 2025
Scanned annex to a communication - opposition procedure
Apr 23, 2025
Scanned annex to a communication - opposition procedure
Apr 23, 2025
Scanned annex to a communication - opposition procedure
Apr 23, 2025
Scanned annex to a communication - opposition procedure
Mar 12, 2025
Information about the result of oral proceedings
Feb 11, 2025
Brief communication - Opposition proceedings
Feb 5, 2025
(Electronic) Receipt
Feb 5, 2025
Letter accompanying subsequently filed items
Feb 5, 2025
Written submission in preparation to/during oral proceedings
Jan 31, 2025
Brief communication - Opposition proceedings
Jan 16, 2025
Brief communication - Opposition proceedings
Jan 16, 2025
Brief communication - Opposition proceedings
Jan 13, 2025
Brief communication - Opposition proceedings
Jan 10, 2025
(Electronic) Receipt
Jan 10, 2025
(Electronic) Receipt
Jan 10, 2025
Auxiliary request during Opposition procedure
Jan 10, 2025
Auxiliary request during Opposition procedure
Jan 10, 2025
Auxiliary request during Opposition procedure
Jan 10, 2025
Auxiliary request during Opposition procedure - 01
Jan 10, 2025
Auxiliary request during Opposition procedure - 02
Jan 10, 2025
Auxiliary request during Opposition procedure - 03
Jan 10, 2025
Letter accompanying subsequently filed items
Jan 10, 2025
Letter accompanying subsequently filed items
Jan 10, 2025
Written submission in preparation to/during oral proceedings
Jan 10, 2025
Written submission in preparation to/during oral proceedings
May 8, 2024
Annex to the communication - opposition
May 8, 2024
Brief communication - Opposition proceedings
May 8, 2024
Brief communication - Opposition proceedings
May 8, 2024
Information concerning oral proceedings
May 8, 2024
Scanned annex to a communication - opposition procedure
May 8, 2024
Summons to attend oral proceedings
May 8, 2024
Summons to attend oral proceedings
Dec 4, 2023
Brief communication - Opposition proceedings
Nov 29, 2023
(Electronic) Receipt
Nov 29, 2023
Auxiliary request during Opposition procedure
Nov 29, 2023
Auxiliary request during Opposition procedure
Nov 29, 2023
Auxiliary request during Opposition procedure - 01
Nov 29, 2023
Auxiliary request during Opposition procedure - 02
Nov 29, 2023
Letter accompanying subsequently filed items
Nov 29, 2023
Reply of the patent proprietor to the notice(s) of opposition
Aug 2, 2023
Communication of a notice of opposition and request to file observations
Aug 2, 2023
Notice of further oppositions to opponent(s)
Jul 26, 2023
Communication of a notice of opposition - first information to patent proprietor
Jul 19, 2023
(Electronic) Receipt
Jul 19, 2023
Citation in opposition procedure - 001
Jul 19, 2023
Citation in opposition procedure - 002
Jul 19, 2023
Citation in opposition procedure - 003
Jul 19, 2023
Citation in opposition procedure - 004
Jul 19, 2023
Consolidated list of cited opposition documents
Jul 19, 2023
Notice of opposition
Jul 19, 2023
Notice of opposition
Nov 2, 2022
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Sep 22, 2022
Decision to grant a European patent
Sep 5, 2022
(Electronic) Receipt
Sep 5, 2022
Filing of the translations of the claims
Sep 5, 2022
French translation of claims
Sep 5, 2022
German translation of the claims
Sep 5, 2022
Letter accompanying subsequently filed items
Jun 17, 2022
Bibliographic data of the European patent application
Jun 17, 2022
Communication about intention to grant a European patent
Jun 17, 2022
Intention to grant (signatures)
Jun 17, 2022
Text intended for grant (clean copy)
Jun 17, 2022
Text intended for grant (version for approval)
Jan 5, 2022
Decision to allow further processing
Dec 14, 2021
(Electronic) Receipt
Dec 14, 2021
Application deemed to be withdrawn (reply to communication from Examining Division too late)
Dec 14, 2021
Letter accompanying subsequently filed items
Dec 14, 2021
Request for further processing
Dec 7, 2021
(Electronic) Receipt
Dec 7, 2021
Amended claims with annotations
Dec 7, 2021
Amended description with annotations
Dec 7, 2021
Claims
Dec 7, 2021
Description
Dec 7, 2021
Letter accompanying subsequently filed items
Dec 7, 2021
Reply to communication from the Examining Division
Jul 27, 2021
Annex to the communication
Jul 27, 2021
Communication from the Examining Division
Jul 22, 2021
Examination started
Sep 30, 2020
(Electronic) Receipt
Sep 30, 2020
Invitation to file a copy of search results(priority)
Sep 30, 2020
Letter accompanying subsequently filed items
Sep 30, 2020
Reply to invitation to file a copy of priority search results
Sep 21, 2020
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Aug 21, 2020
(Electronic) Receipt
Aug 21, 2020
Abstract
Aug 21, 2020
Abstract
Aug 21, 2020
Amended claims filed after receipt of (European) search report
Aug 21, 2020
Amended claims with annotations
Aug 21, 2020
Amended description filed after receipt of (European) search report
Aug 21, 2020
Amended description with annotations
Aug 21, 2020
Amendments received before examination
Aug 21, 2020
Letter accompanying subsequently filed items
Aug 21, 2020
Letter concerning the designation and/or extension and/or validation of states
Aug 19, 2020
Notification of forthcoming publication
Sep 6, 2019
Confirmation of receipt of (electronically) transmitted priority document
Sep 3, 2019
Priority document (electronically transmitted)
Aug 23, 2019
Communication to designated inventor
Aug 20, 2019
Communication regarding the transmission of the European search report
Aug 20, 2019
European search opinion
Aug 20, 2019
European search report
Aug 20, 2019
Information on Search Strategy
Aug 13, 2019
Search started
Jul 1, 2019
Abstract
Jul 1, 2019
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Jul 1, 2019
Claims
Jul 1, 2019
Description
Jul 1, 2019
Designation of inventor
Jul 1, 2019
Drawings
Jul 1, 2019
Request for grant of a European patent

EP3709465

DELTA ELECTRONICS

Application Number: EP19183728A
Filing Date: Jul 1, 2019
Status: Patent Maintained As Amended; Sep 26, 2025
Publication Date: Oct 29, 2025
External Links: Slate, Register , Google Patents

IP Verse

Intelligent Current Control Apparatus

Patent Summary

Patent Family

Patent Oppositions

Dossier Documents

EP3709465