The weekly litigation news digest is live. Subscribe now
The patent EP3405962 was granted to ABB Power Grids Switzerland on Mar 4, 2020. The application was filed on Jan 20, 2017 under application number EP17702547A. 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 |
|---|---|---|---|
| CARL FREUDENBERG | Nov 17, 2020 | ZELLENTIN & PARTNER | ADMISSIBLE |
| CARL FREUDENBERG | Nov 17, 2020 | ZELLENTIN & PARTNER MBB PATENTANWALTE | ADMISSIBLE |
| SIEMENS ENERGY | Nov 11, 2020 | - | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP2284854 |
| INTERNATIONAL-SEARCH-REPORT | EP2652752 |
| INTERNATIONAL-SEARCH-REPORT | JP2003169411 |
| INTERNATIONAL-SEARCH-REPORT | JP2005269684 |
| INTERNATIONAL-SEARCH-REPORT | US8492672 |
| OPPOSITION | CN103956673 |
| OPPOSITION | DE202014003243U |
| OPPOSITION | DE202016100268U |
| OPPOSITION | DE602005006196T |
| OPPOSITION | EP0993005 |
| OPPOSITION | US2008188592 |
| OPPOSITION | WO2015052100 |
| OPPOSITION | WO2015164973 |
| OPPOSITION | WO2017125536 |
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
Jun 4, 2025
May 27, 2025
May 27, 2025
May 22, 2025
(Electronic) Receipt
Appeal
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
May 22, 2025
Apr 11, 2025
Apr 11, 2025
Apr 11, 2025
Apr 11, 2025
Mar 28, 2025
Mar 28, 2025
Mar 27, 2025
(Electronic) Receipt
Appeal
Mar 27, 2025
General authorisation
Appeal
Mar 27, 2025
Mar 12, 2025
Mar 11, 2025
(Electronic) Receipt
Appeal
Mar 11, 2025
Mar 11, 2025
Mar 3, 2025
Mar 3, 2025
Feb 26, 2025
(Electronic) Receipt
Appeal
Feb 26, 2025
Feb 26, 2025
Oct 14, 2024
Oct 14, 2024
Oct 14, 2024
Oct 11, 2024
Sep 16, 2024
Sep 16, 2024
Sep 16, 2024
Sep 5, 2024
Sep 3, 2024
Aug 29, 2024
(Electronic) Receipt
Appeal
Aug 29, 2024
Aug 29, 2024
Aug 23, 2024
Aug 23, 2024
Aug 22, 2024
Aug 20, 2024
(Electronic) Receipt
Appeal
Aug 20, 2024
Aug 20, 2024
Aug 16, 2024
(Electronic) Receipt
Appeal
Aug 16, 2024
Aug 16, 2024
Aug 9, 2024
Aug 9, 2024
Aug 9, 2024
Aug 9, 2024
Aug 7, 2024
Jul 30, 2024
Nov 15, 2023
Nov 15, 2023
Nov 14, 2023
Nov 8, 2023
(Electronic) Receipt
Appeal
Nov 8, 2023
Nov 8, 2023
Nov 8, 2023
Nov 8, 2023
Jul 12, 2023
Mar 13, 2023
Mar 13, 2023
Mar 13, 2023
Feb 9, 2023
Feb 9, 2023
Feb 6, 2023
(Electronic) Receipt
Appeal
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Feb 6, 2023
Reply to appeal
Appeal
Nov 2, 2022
Nov 2, 2022
Oct 27, 2022
(Electronic) Receipt
Appeal
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 24, 2022
Oct 24, 2022
Oct 18, 2022
(Electronic) Receipt
Appeal
Oct 18, 2022
Oct 18, 2022
Aug 17, 2022
Aug 17, 2022
Aug 17, 2022
Aug 10, 2022
(Electronic) Receipt
Appeal
Aug 10, 2022
Aug 10, 2022
Notice of appeal
Appeal
Aug 3, 2022
Jul 29, 2022
(Electronic) Receipt
Appeal
Jul 29, 2022
Jul 29, 2022
Notice of appeal
Appeal
Jul 1, 2022
Jul 1, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Means of redress
OPPO
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
May 13, 2022
May 10, 2022
May 10, 2022
May 9, 2022
May 2, 2022
May 2, 2022
May 2, 2022
Mar 25, 2022
Mar 25, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 22, 2022
Mar 15, 2022
Mar 15, 2022
Mar 15, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 10, 2022
Mar 3, 2022
Mar 3, 2022
Jan 18, 2022
Jan 18, 2022
Jan 12, 2022
Jan 12, 2022
Dec 17, 2021
Dec 16, 2021
Dec 16, 2021
Dec 16, 2021
Dec 14, 2021
Dec 14, 2021
Dec 9, 2021
Authorisation
Search/Exam
Dec 9, 2021
Dec 8, 2021
Dec 8, 2021
Dec 8, 2021
Dec 8, 2021
Dec 8, 2021
Dec 8, 2021
Nov 15, 2021
Authorisation
Search/Exam
Nov 15, 2021
Nov 10, 2021
Annexes in respect of a client data request
Search/Exam
Nov 10, 2021
Authorisation
Search/Exam
Nov 10, 2021
Aug 31, 2021
Aug 30, 2021
Aug 30, 2021
Aug 20, 2021
Aug 20, 2021
Aug 20, 2021
Aug 20, 2021
Aug 20, 2021
Aug 20, 2021
Aug 20, 2021
Aug 20, 2021
Jul 28, 2021
Jul 28, 2021
Jul 23, 2021
Jul 23, 2021
Jul 23, 2021
Apr 29, 2021
Apr 29, 2021
Apr 22, 2021
Apr 22, 2021
Apr 22, 2021
Apr 22, 2021
Apr 22, 2021
Apr 22, 2021
Apr 22, 2021
Apr 22, 2021
Apr 22, 2021
Apr 22, 2021
Apr 22, 2021
Jan 25, 2021
Jan 25, 2021
Jan 25, 2021
Jan 8, 2021
Jan 8, 2021
Jan 8, 2021
Jan 8, 2021
Jan 8, 2021
Jan 8, 2021
Dec 18, 2020
Dec 18, 2020
Dec 18, 2020
Nov 24, 2020
Nov 17, 2020
Nov 17, 2020
Nov 17, 2020
Nov 17, 2020
Nov 17, 2020
Nov 17, 2020
Nov 17, 2020
Nov 17, 2020
Nov 17, 2020
Nov 17, 2020
Nov 17, 2020
Nov 11, 2020
Nov 11, 2020
Nov 11, 2020
Nov 11, 2020
Nov 11, 2020
Nov 11, 2020
Nov 11, 2020
Nov 11, 2020
Nov 11, 2020
Nov 11, 2020
Nov 11, 2020
Nov 11, 2020
Nov 11, 2020
Nov 11, 2020
Mar 16, 2020
Feb 6, 2020
Decision to grant a European patent
Search/Exam
Jan 20, 2020
Jan 8, 2020
(Electronic) Receipt
Search/Exam
Jan 8, 2020
English translation of the claims
Search/Exam
Jan 8, 2020
Filing of the translations of the claims
Search/Exam
Jan 8, 2020
French translation of claims
Search/Exam
Jan 8, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 18, 2019
Sep 18, 2019
Sep 18, 2019
Intention to grant (signatures)
Search/Exam
Sep 18, 2019
Text intended for grant (clean copy)
Search/Exam
Sep 18, 2019
Aug 9, 2019
Examination started
Search/Exam
May 24, 2019
(Electronic) Receipt
Search/Exam
May 24, 2019
Letter accompanying subsequently filed items
Search/Exam
May 24, 2019
Priority search results
Search/Exam
May 24, 2019
Apr 15, 2019
Mar 14, 2019
Feb 21, 2019
Feb 21, 2019
Feb 5, 2019
(Electronic) Receipt
Search/Exam
Feb 5, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 5, 2019
Matter concerning the application
Search/Exam
Oct 31, 2018
Aug 28, 2018
Aug 24, 2018
Communication to designated inventor
Search/Exam
Aug 24, 2018
Communication to designated inventor
Search/Exam
Aug 24, 2018
Communication to designated inventor
Search/Exam
Aug 24, 2018
Communication to designated inventor
Search/Exam
Aug 24, 2018
Communication to designated inventor
Search/Exam
Aug 13, 2018
Aug 8, 2018
Refund of fees
Search/Exam
Jul 11, 2018
(Electronic) Receipt
Search/Exam
Jul 11, 2018
Jul 11, 2018
Request for entry into the European phase
Search/Exam
Jun 4, 2018
Information on entry into European phase
Search/Exam
Aug 14, 2017
Jul 27, 2017
Copy of the international search report
Search/Exam
Jul 27, 2017
Copy of the international search report
Search/Exam
Jul 27, 2017
Published international application - A1
Search/Exam
Jul 5, 2017
ISR: cited documents
PCTISA
Jul 5, 2017
Jul 3, 2017
Jul 3, 2017
Jul 3, 2017
May 23, 2017
(Electronic) Receipt
PCTISA
May 23, 2017
May 3, 2017
May 3, 2017
Feb 14, 2017
Feb 10, 2017
Feb 7, 2017
Jan 20, 2017
(Electronic) Receipt
PCTRO
Jan 20, 2017
Abstract
PCTRO
Jan 20, 2017
Annex
PCTRO
Jan 20, 2017
Claims
PCTRO
Jan 20, 2017
Description
PCTRO
Jan 20, 2017
Jan 20, 2017
Drawings
PCTRO
Jan 20, 2017