The weekly litigation news digest is live. Subscribe now
The patent EP2339721 was granted to EC Power on Jan 27, 2021. The application was filed on Dec 22, 2010 under application number EP10252196A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| EMOD MOTOREN | Oct 27, 2021 | RAUCH | ADMISSIBLE |
| LIEDTKE | Oct 27, 2021 | LIEDTKE & PARTNER PATENTANWALTE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | US5577775 |
| EXAMINATION | US6849982 |
| EXAMINATION | WO03061099 |
| EXAMINATION | WO9708439 |
| OPPOSITION | EP0071562 |
| OPPOSITION | EP1885046 |
| OPPOSITION | EP2298642 |
| OPPOSITION | US2007236098 |
| OPPOSITION | US2009166108 |
| OPPOSITION | US5577775 |
| OPPOSITION | US5796190 |
| OPPOSITION | US6777847 |
| OPPOSITION | US6849982 |
| OPPOSITION | US7239032 |
| OPPOSITION | WO03061099 |
| OPPOSITION | WO2004001207 |
| OPPOSITION | WO2004001932 |
| OPPOSITION | WO2005114815 |
| OPPOSITION | WO9708439 |
| OPPOSITION | WO9708456 |
| SEARCH | EP1885046 |
| SEARCH | US2007236098 |
| SEARCH | US5796190 |
| SEARCH | US6777847 |
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
Nov 26, 2025
Dec 20, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Mar 4, 2024
Mar 4, 2024
Feb 27, 2024
(Electronic) Receipt
Appeal
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Feb 27, 2024
Description
Appeal
Feb 27, 2024
Description
Appeal
Feb 27, 2024
Description
Appeal
Feb 27, 2024
Description
Appeal
Feb 27, 2024
Description
Appeal
Feb 27, 2024
Description
Appeal
Feb 27, 2024
Description
Appeal
Feb 27, 2024
Description
Appeal
Feb 27, 2024
Feb 27, 2024
Reply to appeal
Appeal
Oct 17, 2023
Oct 17, 2023
Oct 12, 2023
(Electronic) Receipt
Appeal
Oct 12, 2023
Oct 12, 2023
Aug 16, 2023
Aug 16, 2023
Aug 16, 2023
Aug 10, 2023
(Electronic) Receipt
Appeal
Aug 10, 2023
Aug 10, 2023
Notice of appeal
Appeal
Jun 15, 2023
Jun 12, 2023
Jun 12, 2023
Jun 12, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Means of redress
OPPO
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Jun 7, 2023
Apr 21, 2023
Mar 23, 2023
Mar 23, 2023
Mar 17, 2023
Mar 17, 2023
Feb 13, 2023
Feb 10, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Feb 7, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 27, 2023
Jan 2, 2023
Jan 2, 2023
Jan 2, 2023
Dec 22, 2022
Dec 14, 2022
Dec 12, 2022
Nov 25, 2022
Nov 25, 2022
Nov 23, 2022
Nov 22, 2022
Nov 22, 2022
Nov 22, 2022
Nov 9, 2022
Nov 9, 2022
Nov 4, 2022
Nov 4, 2022
Nov 4, 2022
Oct 13, 2022
Oct 13, 2022
Oct 10, 2022
Oct 5, 2022
Oct 5, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 29, 2022
Sep 29, 2022
Sep 29, 2022
Sep 29, 2022
Sep 28, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Description
OPPO
Sep 23, 2022
Description
OPPO
Sep 23, 2022
Description
OPPO
Sep 23, 2022
Description
OPPO
Sep 23, 2022
Description
OPPO
Sep 23, 2022
Description
OPPO
Sep 23, 2022
Description
OPPO
Sep 23, 2022
Description
OPPO
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
May 17, 2022
May 17, 2022
May 10, 2022
May 10, 2022
May 10, 2022
May 10, 2022
May 10, 2022
May 10, 2022
May 10, 2022
May 10, 2022
Mar 23, 2022
Mar 23, 2022
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Mar 17, 2022
Nov 11, 2021
Nov 11, 2021
Nov 11, 2021
Nov 3, 2021
Nov 2, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Oct 27, 2021
Feb 8, 2021
Jan 14, 2021
Decision to grant a European patent
Search/Exam
Nov 10, 2020
(Electronic) Receipt
Search/Exam
Nov 10, 2020
Filing of the translations of the claims
Search/Exam
Nov 10, 2020
French translation of claims
Search/Exam
Nov 10, 2020
German translation of the claims
Search/Exam
Nov 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 6, 2020
Nov 6, 2020
Nov 6, 2020
Intention to grant (signatures)
Search/Exam
Nov 6, 2020
Text intended for grant (clean copy)
Search/Exam
Nov 6, 2020
Aug 11, 2020
(Electronic) Receipt
Search/Exam
Aug 11, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 11, 2020
Jul 22, 2020
Annex to the communication
Search/Exam
Jul 22, 2020
Communication from the Examining Division
Search/Exam
Jul 8, 2020
(Electronic) Receipt
Search/Exam
Jul 8, 2020
Filing of the translations of the claims
Search/Exam
Jul 8, 2020
French translation of claims
Search/Exam
Jul 8, 2020
German translation of the claims
Search/Exam
Jul 8, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 30, 2020
Apr 24, 2020
Citation filed by a third party
Search/Exam
Apr 24, 2020
Citation filed by a third party
Search/Exam
Apr 24, 2020
Citation filed by a third party
Search/Exam
Apr 24, 2020
Citation filed by a third party
Search/Exam
Apr 24, 2020
Observations by third parties
Search/Exam
Apr 24, 2020
Observations by third parties
Search/Exam
Feb 28, 2020
Feb 28, 2020
Feb 28, 2020
Intention to grant (signatures)
Search/Exam
Feb 28, 2020
Text intended for grant (clean copy)
Search/Exam
Feb 28, 2020
Nov 20, 2019
(Electronic) Receipt
Search/Exam
Nov 20, 2019
Amended claims with annotations
Search/Exam
Nov 20, 2019
Amended description with annotations
Search/Exam
Nov 20, 2019
Claims
Search/Exam
Nov 20, 2019
Description
Search/Exam
Nov 20, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 20, 2019
Sep 16, 2019
Annex to the communication
Search/Exam
Sep 16, 2019
Communication from the Examining Division
Search/Exam
Sep 9, 2019
Examination started
Search/Exam
May 16, 2019
May 28, 2018
May 17, 2018
Dec 2, 2015
(Electronic) Receipt
Search/Exam
Dec 2, 2015
Dec 2, 2015
Amended claims with annotations
Search/Exam
Dec 2, 2015
Dec 2, 2015
Amended description with annotations
Search/Exam
Dec 2, 2015
Amendments received before examination
Search/Exam
Dec 2, 2015
Letter accompanying subsequently filed items
Search/Exam
Jun 9, 2015
May 8, 2015
May 8, 2015
European search opinion
Search/Exam
May 8, 2015
European search report
Search/Exam
Jan 20, 2015
Jan 20, 2015
Partial European search report
Search/Exam
Dec 18, 2014
Payment of fees and costs
Search/Exam
Dec 18, 2014
Payment of fees and costs
Search/Exam
Dec 18, 2014
Search started
Search/Exam
Oct 28, 2014
Oct 16, 2014
Jan 10, 2014
Jan 6, 2014
Dec 20, 2013
Letter concerning fees and payments
Search/Exam
Dec 20, 2013
Payment of fees and costs
Search/Exam
Dec 19, 2012
Letter concerning fees and payments
Search/Exam
Dec 19, 2012
Payment of fees and costs
Search/Exam
Jun 1, 2011
Notification of forthcoming publication
Search/Exam
Jan 7, 2011
Letter concerning the priority
Search/Exam
Jan 7, 2011
Priority document
Search/Exam
Jan 7, 2011
Priority document
Search/Exam
Dec 22, 2010
Abstract
Search/Exam
Dec 22, 2010
Claims
Search/Exam
Dec 22, 2010
Description
Search/Exam
Dec 22, 2010
Designation of inventor
Search/Exam
Dec 22, 2010
Drawings
Search/Exam
Dec 22, 2010
Request for grant of a European patent
Search/Exam