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The patent EP3028358 was granted to ABB Power Grids Switzerland on Apr 26, 2023. The application was filed on Jul 23, 2014 under application number EP14750273A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| SIEMENS | Jan 24, 2018 | SIEMENS PATENT ATTORNEYS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2010179704 |
| INTERNATIONAL-SEARCH-REPORT | US2011231028 |
| INTERNATIONAL-SEARCH-REPORT | US2012143385 |
| INTERNATIONAL-SEARCH-REPORT | US2013079943 |
| INTERNATIONAL-SEARCH-REPORT | US2013190938 |
| INTERNATIONAL-SEARCH-REPORT | WO2013049547 |
| OPPOSITION | US2002169523 |
| OPPOSITION | US2008278000 |
| OPPOSITION | US2012283888 |
| OPPOSITION | US2013079943 |
| OPPOSITION | US2013190938 |
| OPPOSITION | US7061139 |
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 30, 2023
Mar 30, 2023
Mar 24, 2023
Mar 16, 2023
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Jan 26, 2023
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Dec 2, 2022
Refund of fees
Appeal
Nov 30, 2022
Nov 30, 2022
Nov 22, 2022
Nov 22, 2022
Nov 22, 2022
Nov 9, 2022
Nov 8, 2022
(Electronic) Receipt
Appeal
Nov 8, 2022
Oct 18, 2022
(Electronic) Receipt
Appeal
Oct 18, 2022
Oct 6, 2022
Advice of delivery
Appeal
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 26, 2022
Sep 8, 2022
Sep 5, 2022
(Electronic) Receipt
Appeal
Sep 5, 2022
Sep 5, 2022
Aug 24, 2022
Aug 18, 2022
(Electronic) Receipt
Appeal
Aug 18, 2022
Aug 18, 2022
Aug 8, 2022
Advice of delivery
Appeal
Jul 28, 2022
Jul 28, 2022
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Jul 26, 2022
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Dec 17, 2021
Dec 9, 2021
Authorisation
Appeal
Dec 9, 2021
Nov 15, 2021
Authorisation
Appeal
Nov 15, 2021
Nov 10, 2021
Nov 10, 2021
Authorisation
Appeal
Nov 10, 2021
Sep 28, 2021
Oct 23, 2020
Oct 19, 2020
(Electronic) Receipt
Appeal
Oct 19, 2020
Oct 19, 2020
Jun 30, 2020
Jun 19, 2020
Jun 19, 2020
Jun 12, 2020
(Electronic) Receipt
Appeal
Jun 12, 2020
Jun 12, 2020
Jun 9, 2020
Jun 9, 2020
Jun 4, 2020
May 20, 2020
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May 20, 2020
May 20, 2020
General authorisation
Appeal
May 20, 2020
May 15, 2020
Apr 14, 2020
Apr 14, 2020
Apr 6, 2020
Mar 31, 2020
(Electronic) Receipt
Appeal
Mar 31, 2020
Mar 31, 2020
Mar 31, 2020
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Reply to appeal
Appeal
Jan 29, 2020
Jan 24, 2020
(Electronic) Receipt
Appeal
Jan 24, 2020
Claims
Appeal
Jan 24, 2020
Jan 24, 2020
Nov 25, 2019
Nov 25, 2019
Nov 18, 2019
(Electronic) Receipt
Appeal
Nov 18, 2019
Nov 18, 2019
Notice of appeal
Appeal
Oct 24, 2019
Oct 4, 2019
Oct 1, 2019
Sep 27, 2019
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Description
OPPO
Apr 30, 2019
Description
OPPO
Apr 30, 2019
Description
OPPO
Apr 30, 2019
Description
OPPO
Apr 30, 2019
Apr 30, 2019
Apr 26, 2019
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Description
OPPO
Apr 26, 2019
Description
OPPO
Apr 26, 2019
Description
OPPO
Apr 26, 2019
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Apr 26, 2017
Mar 30, 2017
Decision to grant a European patent
Search/Exam
Mar 24, 2017
Mar 20, 2017
(Electronic) Receipt
Search/Exam
Mar 20, 2017
Filing of the translations of the claims
Search/Exam
Mar 20, 2017
French translation of claims
Search/Exam
Mar 20, 2017
German translation of the claims
Search/Exam
Mar 20, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 16, 2016
Dec 16, 2016
Dec 16, 2016
Intention to grant (signatures)
Search/Exam
Dec 16, 2016
Text intended for grant (clean copy)
Search/Exam
Dec 16, 2016
Nov 17, 2016
Examination started
Search/Exam
Oct 26, 2016
Submission concerning representation
Search/Exam
Aug 31, 2016
(Electronic) Receipt
Search/Exam
Aug 31, 2016
Aug 31, 2016
Amended claims with annotations
Search/Exam
Aug 31, 2016
Aug 31, 2016
Amended description with annotations
Search/Exam
Aug 31, 2016
Amendments received before examination
Search/Exam
Aug 31, 2016
Letter accompanying subsequently filed items
Search/Exam
May 30, 2016
Letter concerning the inventor
Search/Exam
May 17, 2016
May 11, 2016
Apr 26, 2016
Letter which had not been notified
Search/Exam
Mar 8, 2016
Mar 4, 2016
Communication to designated inventor
Search/Exam
Mar 4, 2016
Communication to designated inventor
Search/Exam
Mar 4, 2016
Communication to designated inventor
Search/Exam
Mar 4, 2016
Communication to designated inventor
Search/Exam
Mar 4, 2016
Communication to designated inventor
Search/Exam
Feb 16, 2016
Jan 21, 2016
(Electronic) Receipt
Search/Exam
Jan 21, 2016
Request for entry into the European phase
Search/Exam
Dec 9, 2015
Information on entry into European phase
Search/Exam
Feb 24, 2015
Feb 5, 2015
Copy of the international search report
Search/Exam
Feb 5, 2015
Published international application - A1
Search/Exam
Dec 5, 2014
Annex
PCTISA
Nov 19, 2014
Nov 19, 2014
Nov 19, 2014
Aug 11, 2014
Abstract
PCTISA
Aug 11, 2014
Annex
PCTISA
Aug 11, 2014
Claims
PCTISA
Aug 11, 2014
Description
PCTISA
Aug 11, 2014
Drawings
PCTISA