The weekly litigation news digest is live. Subscribe now
The patent EP2976821 was granted to Merus Power Dynamics on May 6, 2020. The application was filed on Mar 17, 2014 under application number EP14767602A. 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 |
|---|---|---|---|
| HITACHI ENERGY SWITZERLAND | Feb 5, 2021 | EPPING HERMANN FISCHER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2005116691 |
| INTERNATIONAL-SEARCH-REPORT | US5514915 |
| INTERNATIONAL-SEARCH-REPORT | US6215202 |
| INTERNATIONAL-SEARCH-REPORT | US6498464 |
| OPPOSITION | US2008315685 |
| OPPOSITION | US2011278931 |
| OPPOSITION | US5383108 |
| OPPOSITION | US5883796 |
| OPPOSITION | US6104102 |
| OPPOSITION | WO2012025660 |
| OPPOSITION | WO2014147294 |
| SEARCH | US2006202636 |
| SEARCH | US5883796 |
| SEARCH | US6104102 |
| SEARCH | WO2012025660 |
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
Dec 14, 2022
Dec 14, 2022
Dec 9, 2022
Sep 9, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Means of redress
OPPO
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Aug 30, 2022
Jun 13, 2022
Jun 8, 2022
Jun 8, 2022
May 31, 2022
May 31, 2022
May 31, 2022
May 31, 2022
May 31, 2022
May 16, 2022
May 11, 2022
May 11, 2022
May 11, 2022
Apr 22, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Apr 13, 2022
Mar 29, 2022
Mar 24, 2022
Mar 24, 2022
Mar 24, 2022
Feb 15, 2022
Feb 15, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Feb 10, 2022
Nov 8, 2021
Nov 4, 2021
Nov 4, 2021
Nov 4, 2021
Nov 4, 2021
Nov 4, 2021
Nov 4, 2021
Nov 4, 2021
Jun 28, 2021
Jun 23, 2021
Jun 23, 2021
Jun 23, 2021
Feb 23, 2021
Feb 23, 2021
Feb 23, 2021
Feb 22, 2021
Feb 11, 2021
Feb 5, 2021
Feb 5, 2021
Feb 5, 2021
Feb 5, 2021
Feb 5, 2021
Feb 5, 2021
Feb 5, 2021
Feb 5, 2021
Feb 5, 2021
Feb 5, 2021
Feb 5, 2021
Feb 5, 2021
Feb 5, 2021
Feb 5, 2021
Feb 5, 2021
Feb 5, 2021
Feb 5, 2021
Feb 5, 2021
May 18, 2020
Apr 9, 2020
Decision to grant a European patent
Search/Exam
Mar 25, 2020
(Electronic) Receipt
Search/Exam
Mar 25, 2020
Filing of the translations of the claims
Search/Exam
Mar 25, 2020
French translation of claims
Search/Exam
Mar 25, 2020
German translation of the claims
Search/Exam
Mar 25, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 2, 2020
Jan 2, 2020
Jan 2, 2020
Intention to grant (signatures)
Search/Exam
Jan 2, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 2, 2020
Oct 28, 2019
(Electronic) Receipt
Search/Exam
Oct 28, 2019
Amended claims with annotations
Search/Exam
Oct 28, 2019
Claims
Search/Exam
Oct 28, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 28, 2019
Jun 19, 2019
Annex to the communication
Search/Exam
Jun 19, 2019
Communication from the Examining Division
Search/Exam
Nov 23, 2018
(Electronic) Receipt
Search/Exam
Nov 23, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 23, 2018
Oct 2, 2018
Sep 26, 2018
(Electronic) Receipt
Search/Exam
Sep 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 26, 2018
May 17, 2018
Annex to the communication
Search/Exam
May 17, 2018
Communication from the Examining Division
Search/Exam
May 9, 2018
Examination started
Search/Exam
May 5, 2017
(Electronic) Receipt
Search/Exam
May 5, 2017
May 5, 2017
Amended claims with annotations
Search/Exam
May 5, 2017
Amendments received before examination
Search/Exam
May 5, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 21, 2016
Submission concerning representation
Search/Exam
Oct 28, 2016
Oct 11, 2016
Oct 11, 2016
European search opinion
Search/Exam
Oct 11, 2016
Information on Search Strategy
Search/Exam
Oct 11, 2016
Supplementary European search report
Search/Exam
Sep 29, 2016
Search started
Search/Exam
Jan 7, 2016
Oct 27, 2015
Oct 23, 2015
Communication to designated inventor
Search/Exam
Oct 23, 2015
Communication to designated inventor
Search/Exam
Oct 20, 2015
Notification of the recording of a change
Search/Exam
Oct 5, 2015
Sep 9, 2015
Submission concerning representation
Search/Exam
Aug 25, 2015
(Electronic) Receipt
Search/Exam
Aug 25, 2015
Priority search results
Search/Exam
Aug 25, 2015
Request for entry into the European phase
Search/Exam
Jul 29, 2015
Information on entry into European phase
Search/Exam
Oct 14, 2014
Sep 25, 2014
Copy of the international search report
Search/Exam
Sep 25, 2014
Published international application - A1
Search/Exam