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The patent EP3251191 was granted to ABB Schweiz on Sep 16, 2020. The application was filed on Jan 28, 2016 under application number EP16705620A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| SMA SOLAR TECHNOLOGY | Jun 16, 2021 | KLEINE | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP2725678 |
| INTERNATIONAL-SEARCH-REPORT | JP2012205078 |
| INTERNATIONAL-SEARCH-REPORT | US2010139734 |
| INTERNATIONAL-SEARCH-REPORT | US2011273302 |
| INTERNATIONAL-SEARCH-REPORT | US2012161527 |
| INTERNATIONAL-SEARCH-REPORT | US2014112041 |
| INTERNATIONAL-SEARCH-REPORT | US2014265603 |
| INTERNATIONAL-SEARCH-REPORT | US8106765 |
| OPPOSITION | CN203689677U |
| OPPOSITION | EP2725678 |
| OPPOSITION | FR2894401 |
| OPPOSITION | JP2012205078 |
| OPPOSITION | US2010139739 |
| OPPOSITION | US2011273302 |
| OPPOSITION | US2012161527 |
| OPPOSITION | US2014112041 |
| OPPOSITION | US2014265603 |
| OPPOSITION | US8106765 |
| OPPOSITION | WO0019580 |
| OPPOSITION | WO2009073868 |
| OPPOSITION | WO2010078303 |
| OPPOSITION | WO2012103963 |
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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Feb 11, 2022
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Sep 28, 2020
Aug 20, 2020
Decision to grant a European patent
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Aug 6, 2020
(Electronic) Receipt
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Aug 6, 2020
Aug 6, 2020
French translation of claims
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Aug 6, 2020
German translation of the claims
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Aug 6, 2020
Letter accompanying subsequently filed items
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Jul 30, 2020
(Electronic) Receipt
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Jul 30, 2020
Annexes in respect of a client data request
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Jul 30, 2020
Annexes in respect of a client data request
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Jul 30, 2020
Annexes in respect of a client data request
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Jul 30, 2020
Letter accompanying subsequently filed items
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Jul 30, 2020
Apr 20, 2020
Document concerning representation
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Apr 9, 2020
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Intention to grant (signatures)
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Apr 9, 2020
Text intended for grant (clean copy)
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Apr 9, 2020
Mar 25, 2020
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Mar 19, 2020
(Electronic) Receipt
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Mar 19, 2020
Authorisation
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Mar 19, 2020
Letter accompanying subsequently filed items
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Mar 19, 2020
Apr 1, 2019
(Electronic) Receipt
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Apr 1, 2019
Amended claims with annotations
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Apr 1, 2019
Claims
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Apr 1, 2019
Letter accompanying subsequently filed items
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Apr 1, 2019
Dec 5, 2018
Annex to a communication
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Dec 5, 2018
Annex to the communication
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Dec 5, 2018
Communication from the Examining Division
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Nov 26, 2018
Examination started
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Jun 5, 2018
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Jan 29, 2018
(Electronic) Receipt
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Jan 29, 2018
Jan 29, 2018
Amended claims with annotations
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Jan 29, 2018
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Amended description with annotations
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Jan 29, 2018
Amendments received before examination
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Jan 29, 2018
Letter accompanying subsequently filed items
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Nov 8, 2017
Communication to designated inventor
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Nov 8, 2017
Communication to designated inventor
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Nov 8, 2017
Oct 31, 2017
(Electronic) Receipt
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Oct 31, 2017
Letter accompanying subsequently filed items
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Oct 31, 2017
Letter concerning the inventor
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Oct 23, 2017
Oct 18, 2017
Oct 13, 2017
Letter which had not been notified
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Oct 9, 2017
Letter which had not been notified
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Sep 5, 2017
Sep 1, 2017
Communication to designated inventor
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Sep 1, 2017
Communication to designated inventor
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Sep 1, 2017
Communication to designated inventor
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Aug 28, 2017
Aug 14, 2017
Jul 21, 2017
(Electronic) Receipt
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Jul 21, 2017
Jul 21, 2017
Amended claims with annotations
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Jul 21, 2017
Annexes in respect of a client data request
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Jul 21, 2017
Request for entry into the European phase
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Jul 21, 2017
Jun 9, 2017
Information on entry into European phase
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Aug 24, 2016
Aug 4, 2016
Copy of the international search report
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Aug 4, 2016
Published international application - A1
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May 3, 2016
ISR: cited documents
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Annex
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Abstract
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Feb 18, 2016
Annex
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Feb 18, 2016
Claims
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Feb 18, 2016
Description
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Feb 18, 2016
Drawings
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