Solar Inverter And Control Method

Patent No. EP2256579 (titled "Solar Inverter And Control Method") was filed by GE Grid Solutions on May 19, 2010. The application was issued on Sep 27, 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
SMA SOLAR TECHNOLOGY	Jun 27, 2018	KLEINE

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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Jan 5, 2026
F3345 Forwarding of submissions to parties
Dec 22, 2025
(Electronic) Receipt
Dec 22, 2025
Letter accompanying subsequently filed items
Dec 22, 2025
Letter dealing with oral proceedings during the appeal procedure
Dec 18, 2025
F3345 Forwarding of submissions to parties
Dec 15, 2025
(Electronic) Receipt
Dec 15, 2025
Letter accompanying subsequently filed items
Dec 15, 2025
Request for interpreters during oral proceedings
Sep 3, 2025
Oral proceedings: change of venue
Sep 3, 2025
Oral proceedings: change of venue
Sep 2, 2025
F3345 Forwarding of submissions to parties
Sep 1, 2025
(Electronic) Receipt
Sep 1, 2025
Letter accompanying subsequently filed items
Sep 1, 2025
Letter dealing with oral proceedings during the appeal procedure
Aug 1, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Aug 1, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Aug 1, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Aug 1, 2025
F3305 Communication of the Board of Appeal (ex parte/ inter partes)
Jul 29, 2025
F3014 Oral Proceedings: Order cancelling/postponing
Jul 24, 2025
F3345 Forwarding of submissions to parties
Jul 21, 2025
Oral proceedings: Request for postponement
Jul 9, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 9, 2025
F3017 Oral Proceedings: Notification of cancellation/postponing
Jul 9, 2025
F3022 Oral proceedings: change of board composition
Jul 9, 2025
F3022 Oral proceedings: change of board composition
Jul 4, 2025
F3014 Oral Proceedings: Order cancelling/postponing
Jul 4, 2025
F3303.17 Change of the composition of the Board (T), in case Chairman is a legal member
Jan 15, 2025
F3345 Forwarding of submissions to parties
Jan 14, 2025
(Electronic) Receipt
Jan 14, 2025
Letter accompanying subsequently filed items
Jan 14, 2025
Letter dealing with oral proceedings during the appeal procedure
Dec 13, 2024
F3011.1 Oral Proceedings: summons
Dec 13, 2024
F3011.1 Oral Proceedings: summons
Dec 10, 2024
F3010 Oral proceedings: order for summons
Nov 18, 2024
Composition of the board (T)
Dec 20, 2023
Communication of the registration of a transfer or change of name and/or address
Dec 20, 2023
F3345 Forwarding of submissions to parties
Dec 13, 2023
(Electronic) Receipt
Dec 13, 2023
Annexes in respect of a client data request
Dec 13, 2023
Authorisation
Dec 13, 2023
Authorisation
Dec 13, 2023
Authorisation
Dec 13, 2023
Letter accompanying subsequently filed items
Dec 13, 2023
Letter concerning fees and payments
Dec 13, 2023
Submission concerning a transfer of rights (applicant)
Jun 13, 2023
Communication of amended entries in the Register of European Patents
Jun 13, 2023
F3345 Forwarding of submissions to parties
Jun 13, 2023
F3345 Forwarding of submissions to parties
Jun 2, 2023
(Electronic) Receipt
Jun 2, 2023
Letter accompanying subsequently filed items
Jun 2, 2023
Reply to appeal
Jan 24, 2023
F3344 Setting time limit for reply/ file observations to appeal (inter partes)
Jan 19, 2023
(Electronic) Receipt
Jan 19, 2023
Amended claims with annotations
Jan 19, 2023
Amended claims with annotations
Jan 19, 2023
Amended claims with annotations
Jan 19, 2023
Amended claims with annotations
Jan 19, 2023
Amended claims with annotations
Jan 19, 2023
Amended claims with annotations
Jan 19, 2023
Amended claims with annotations
Jan 19, 2023
Amended claims with annotations
Jan 19, 2023
Amended claims with annotations
Jan 19, 2023
Amended claims with annotations
Jan 19, 2023
Amended claims with annotations
Jan 19, 2023
Amended claims with annotations
Jan 19, 2023
Amended claims with annotations
Jan 19, 2023
Amended claims with annotations
Jan 19, 2023
Amended claims with annotations
Jan 19, 2023
Auxiliary request during appeals procedure - 01
Jan 19, 2023
Auxiliary request during appeals procedure - 02
Jan 19, 2023
Auxiliary request during appeals procedure - 04
Jan 19, 2023
Claims
Jan 19, 2023
Claims
Jan 19, 2023
Claims
Jan 19, 2023
Claims
Jan 19, 2023
Claims
Jan 19, 2023
Claims
Jan 19, 2023
Claims
Jan 19, 2023
Claims
Jan 19, 2023
Claims
Jan 19, 2023
Claims
Jan 19, 2023
Claims
Jan 19, 2023
Claims
Jan 19, 2023
Letter accompanying subsequently filed items
Jan 19, 2023
Statement of grounds of appeal
Nov 29, 2022
F3204 Communication of the file number to the parties
Nov 29, 2022
F3204 Communication of the file number to the parties
Nov 24, 2022
(Electronic) Receipt
Nov 24, 2022
Letter accompanying subsequently filed items
Nov 24, 2022
Notice of appeal
Sep 21, 2022
Advice of delivery
Sep 16, 2022
Advice of delivery
Sep 15, 2022
Annex to the communication - opposition
Sep 15, 2022
Decision of the Opposition Division and instruction
Sep 15, 2022
Decision revoking the European patent
Sep 15, 2022
Decision revoking the European patent
Sep 15, 2022
Grounds for the decision (Annex) - opposition
Sep 15, 2022
Means of redress
Sep 15, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Sep 15, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Sep 15, 2022
Provision of a copy of the minutes - opposition procedure
Sep 15, 2022
Provision of a copy of the minutes - opposition procedure
Sep 15, 2022
Scanned annex to a communication - opposition procedure
Sep 15, 2022
Scanned annex to a communication - opposition procedure
Sep 15, 2022
Transmittal of decision / summons - opposition
Sep 15, 2022
Transmittal of decision / summons - opposition
Dec 14, 2021
Brief communication - Opposition proceedings
Dec 8, 2021
Information about the result of oral proceedings
Dec 7, 2021
(Electronic) Receipt
Dec 7, 2021
Auxiliary request during Opposition procedure
Dec 7, 2021
Auxiliary request during Opposition procedure - 01
Dec 7, 2021
Letter accompanying subsequently filed items
Dec 7, 2021
Written submission in preparation to/during oral proceedings
Nov 11, 2021
Brief communication - Opposition proceedings
Nov 11, 2021
Brief communication - Opposition proceedings
Nov 4, 2021
(Electronic) Receipt
Nov 4, 2021
Letter accompanying subsequently filed items
Nov 4, 2021
Request for interpreters during oral proceedings
Oct 15, 2021
Brief communication - Opposition proceedings
Oct 8, 2021
(Electronic) Receipt
Oct 8, 2021
Letter accompanying subsequently filed items
Oct 8, 2021
Request for interpreters during oral proceedings
Oct 7, 2021
Written submission in preparation to/during oral proceedings
Jun 29, 2021
Brief communication - Opposition proceedings
Jun 22, 2021
Written submission in preparation to/during oral proceedings
Jun 18, 2021
Notification concerning the date of oral proceedings
Jun 18, 2021
Notification concerning the date of oral proceedings
Oct 30, 2020
Advice of delivery
Oct 26, 2020
Advice of delivery
Oct 23, 2020
Information concerning oral proceedings
Oct 23, 2020
Notification concerning the date of oral proceedings
Oct 23, 2020
Notification concerning the date of oral proceedings
Oct 23, 2020
Summons to attend oral proceedings
Oct 23, 2020
Summons to attend oral proceedings
Oct 16, 2020
Advice of delivery
Oct 16, 2020
Brief communication - Opposition proceedings
Oct 12, 2020
(Electronic) Receipt
Oct 12, 2020
Any annexes (other than citation) to an opposition letter
Oct 12, 2020
Letter accompanying subsequently filed items
Oct 12, 2020
Oral proceedings: Request for postponement
Oct 9, 2020
Advice of delivery
Oct 5, 2020
Acknowledgement of a document
Oct 5, 2020
Summons to attend oral proceedings
Oct 5, 2020
Summons to attend oral proceedings
Sep 22, 2020
Advice of delivery
Aug 24, 2020
Advice of delivery
Aug 18, 2020
Notification concerning the date of oral proceedings
Aug 18, 2020
Notification concerning the date of oral proceedings
Aug 14, 2020
Brief communication - Opposition proceedings
Aug 11, 2020
Oral proceedings: reply to date proposed
Aug 11, 2020
Oral proceedings: reply to date proposed
Aug 11, 2020
Oral proceedings: reply to date proposed
Aug 10, 2020
(Electronic) Receipt
Aug 10, 2020
Letter accompanying subsequently filed items
Aug 10, 2020
Oral proceedings: reply to date proposed
Jul 23, 2020
Notification concerning the date of oral proceedings
Jul 23, 2020
Notification concerning the date of oral proceedings
Jul 14, 2020
Advice of delivery
Jul 13, 2020
Advice of delivery
Jun 30, 2020
Brief communication - Opposition proceedings
Jun 24, 2020
Advice of delivery
Jun 23, 2020
(Electronic) Receipt
Jun 23, 2020
Advice of delivery
Jun 23, 2020
Any annexes (other than citation) to an opposition letter
Jun 23, 2020
Letter accompanying subsequently filed items
Jun 23, 2020
Oral proceedings: Request for postponement
Jun 17, 2020
Summons to attend oral proceedings
Jun 10, 2020
Advice of delivery
Jun 10, 2020
Communication about missing advice of delivery
Jun 10, 2020
Communication about missing advice of delivery
Jun 2, 2020
Notification concerning the date of oral proceedings
Jun 2, 2020
Notification concerning the date of oral proceedings
May 27, 2020
Notification concerning the date of oral proceedings
May 27, 2020
Notification concerning the date of oral proceedings
Apr 28, 2020
Brief communication - Opposition proceedings
Apr 28, 2020
Brief communication - Opposition proceedings
Apr 28, 2020
Brief communication - Opposition proceedings
Apr 17, 2020
(Electronic) Receipt
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure
Apr 17, 2020
Auxiliary request during Opposition procedure - 01
Apr 17, 2020
Auxiliary request during Opposition procedure - 01
Apr 17, 2020
Auxiliary request during Opposition procedure - 01
Apr 17, 2020
Auxiliary request during Opposition procedure - 02
Apr 17, 2020
Auxiliary request during Opposition procedure - 02
Apr 17, 2020
Auxiliary request during Opposition procedure - 02
Apr 17, 2020
Auxiliary request during Opposition procedure - 03
Apr 17, 2020
Auxiliary request during Opposition procedure - 03
Apr 17, 2020
Auxiliary request during Opposition procedure - 03
Apr 17, 2020
Auxiliary request during Opposition procedure - 04
Apr 17, 2020
Auxiliary request during Opposition procedure - 04
Apr 17, 2020
Auxiliary request during Opposition procedure - 04
Apr 17, 2020
Auxiliary request during Opposition procedure - 05
Apr 17, 2020
Auxiliary request during Opposition procedure - 05
Apr 17, 2020
Auxiliary request during Opposition procedure - 05
Apr 17, 2020
Auxiliary request during Opposition procedure - 06
Apr 17, 2020
Auxiliary request during Opposition procedure - 06
Apr 17, 2020
Auxiliary request during Opposition procedure - 06
Apr 17, 2020
Auxiliary request during Opposition procedure - 07
Apr 17, 2020
Auxiliary request during Opposition procedure - 07
Apr 17, 2020
Auxiliary request during Opposition procedure - 07
Apr 17, 2020
Letter accompanying subsequently filed items
Apr 17, 2020
Request for interpreters during oral proceedings
Apr 17, 2020
Written submission in preparation to/during oral proceedings
Apr 16, 2020
(Electronic) Receipt
Apr 16, 2020
Letter accompanying subsequently filed items
Apr 16, 2020
Request for interpreters during oral proceedings
Nov 8, 2019
Advice of delivery
Nov 7, 2019
Advice of delivery
Nov 6, 2019
Advice of delivery
Nov 4, 2019
Advice of delivery
Oct 31, 2019
Information concerning oral proceedings
Oct 31, 2019
Notification concerning the date of oral proceedings
Oct 31, 2019
Notification concerning the date of oral proceedings
Oct 21, 2019
Brief communication - Opposition proceedings
Oct 17, 2019
(Electronic) Receipt
Oct 17, 2019
Any annexes (other than citation) to an opposition letter
Oct 17, 2019
Letter accompanying subsequently filed items
Oct 17, 2019
Oral proceedings: Request for postponement
Oct 9, 2019
Advice of delivery
Oct 7, 2019
Advice of delivery
Oct 7, 2019
Advice of delivery
Oct 4, 2019
Advice of delivery
Oct 2, 2019
Information concerning oral proceedings
Oct 2, 2019
Notification concerning the date of oral proceedings
Oct 2, 2019
Notification concerning the date of oral proceedings
Sep 27, 2019
Brief communication - Opposition proceedings
Sep 25, 2019
Advice of delivery
Sep 20, 2019
Advice of delivery
Sep 19, 2019
(Electronic) Receipt
Sep 19, 2019
Advice of delivery
Sep 19, 2019
Any annexes (other than citation) to an opposition letter
Sep 19, 2019
Letter accompanying subsequently filed items
Sep 19, 2019
Oral proceedings: Request for postponement
Sep 18, 2019
Advice of delivery
Sep 16, 2019
Annex to the communication - opposition
Sep 16, 2019
Information concerning oral proceedings
Sep 16, 2019
Summons to attend oral proceedings
Sep 16, 2019
Summons to attend oral proceedings
Jun 7, 2019
Brief communication - Opposition proceedings
Jun 7, 2019
Communication of amended entries concerning the representative
Jun 3, 2019
(Electronic) Receipt
Jun 3, 2019
Letter accompanying subsequently filed items
Jun 3, 2019
Submission concerning change of applicant's representative
May 21, 2019
Brief communication - Opposition proceedings
May 21, 2019
Communication confirming withdrawal from representation
May 21, 2019
Communication of amended entries concerning the representative
May 21, 2019
Confirmation of revocation of automatic debit order
May 16, 2019
Letter relating to the automatic debiting procedure
May 15, 2019
(Electronic) Receipt
May 15, 2019
Letter accompanying subsequently filed items
May 15, 2019
Submission concerning change of applicant's representative
Apr 12, 2019
Brief communication - Opposition proceedings
Nov 7, 2018
(Electronic) Receipt
Nov 7, 2018
Auxiliary request during Opposition procedure
Nov 7, 2018
Auxiliary request during Opposition procedure
Nov 7, 2018
Auxiliary request during Opposition procedure
Nov 7, 2018
Auxiliary request during Opposition procedure - 01
Nov 7, 2018
Auxiliary request during Opposition procedure - 02
Nov 7, 2018
Auxiliary request during Opposition procedure - 03
Nov 7, 2018
Letter accompanying subsequently filed items
Nov 7, 2018
Reply of the patent proprietor to the notice(s) of opposition
Sep 6, 2018
Brief communication - Opposition proceedings
Sep 6, 2018
Communication of amended entries concerning the representative
Aug 30, 2018
(Electronic) Receipt
Aug 30, 2018
Letter accompanying subsequently filed items
Aug 30, 2018
Submission concerning change of applicant's representative
Jul 12, 2018
Communication of a notice of opposition and request to file observations
Jul 12, 2018
Notice of further oppositions to opponent(s)
Jul 3, 2018
Communication of a notice of opposition - first information to patent proprietor
Jun 27, 2018
(Electronic) Receipt
Jun 27, 2018
Citation in opposition procedure - 001
Jun 27, 2018
Citation in opposition procedure - 002
Jun 27, 2018
Citation in opposition procedure - 003
Jun 27, 2018
Citation in opposition procedure - 004
Jun 27, 2018
Citation in opposition procedure - 005
Jun 27, 2018
Citation in opposition procedure - 006
Jun 27, 2018
Citation in opposition procedure - 007
Jun 27, 2018
Citation in opposition procedure - 008
Jun 27, 2018
Citation in opposition procedure - 008
Jun 27, 2018
Consolidated list of cited opposition documents
Jun 27, 2018
Notice of opposition
Jun 27, 2018
Notice of opposition
Oct 5, 2017
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Aug 31, 2017
Decision to grant a European patent
Aug 17, 2017
(Electronic) Receipt
Aug 17, 2017
Filing of the translations of the claims
Aug 17, 2017
French translation of claims
Aug 17, 2017
German translation of the claims
Jun 21, 2017
Processing of request for correction of text proposed for grant or third party observations (from 01-04-2012)
May 23, 2017
Communication of amended entries concerning the representative
May 18, 2017
Transmittal of third party observations to applicant
May 15, 2017
Non-patent literature filed by a third party
May 15, 2017
Observations by third parties
May 15, 2017
Patent document filed by a Third party
May 15, 2017
Submission concerning change of applicant's representative
Apr 7, 2017
Bibliographic data of the European patent application
Apr 7, 2017
Communication about intention to grant a European patent
Apr 7, 2017
Intention to grant (signatures)
Apr 7, 2017
Text intended for grant (clean copy)
Apr 7, 2017
Text intended for grant (version for approval)
Mar 20, 2017
Examination started
Jun 7, 2016
Communication of amended entries concerning the representative
May 26, 2016
Submission concerning change of applicant's representative
Jun 23, 2014
Late/insufficient payment of the renewal fee without additional fee
Jul 3, 2013
CDS Clean up - amended data concerning the representative for the applicant
Jul 1, 2013
Submission concerning representation
Jun 1, 2011
(Electronic) Receipt
Jun 1, 2011
Amended claims filed after receipt of (European) search report
Jun 1, 2011
Amended claims with annotations
Jun 1, 2011
Amended description filed after receipt of (European) search report
Jun 1, 2011
Amended description with annotations
Jun 1, 2011
Amendments received before examination
Jun 1, 2011
Letter accompanying subsequently filed items
Dec 6, 2010
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Nov 4, 2010
Notification of forthcoming publication
Oct 7, 2010
Communication regarding the transmission of the European search report
Oct 7, 2010
European search opinion
Oct 7, 2010
European search report
Jul 26, 2010
Confirmation of receipt of (electronically) transmitted priority document
Jul 20, 2010
Priority document (electronically transmitted)
May 27, 2010
CDS Clean up - amended data concerning the representative for the applicant
May 19, 2010
Abstract
May 19, 2010
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
May 19, 2010
Claims
May 19, 2010
Description
May 19, 2010
Designation of inventor
May 19, 2010
Designation of inventor
May 19, 2010
Drawings
May 19, 2010
Request for grant of a European patent

EP2256579

GE GRID SOLUTIONS

Application Number: EP10163331A
Filing Date: May 19, 2010
Status: Granted And Under Opposition; Aug 25, 2017
Publication Date: Sep 27, 2017
External Links: Slate, Register , Google Patents

IP Verse

Solar Inverter And Control Method

Patent Summary

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Dossier Documents

EP2256579