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The patent EP3091937 was granted to Keystone Heart on Mar 20, 2024. The application was filed on Jan 9, 2015 under application number EP15717961A. 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 |
|---|---|---|---|
| WAHL | Dec 20, 2024 | OSTERTAG & PARTNER PATENTANWALTE MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2008255603 |
| DESCRIPTION | US2011106137 |
| DESCRIPTION | US7232453 |
| DESCRIPTION | US8062324 |
| EXAMINATION | SG171706 |
| EXAMINATION | WO2012009558 |
| INTERNATIONAL-SEARCH-REPORT | US2013184739 |
| INTERNATIONAL-SEARCH-REPORT | US6245087 |
| INTERNATIONAL-SEARCH-REPORT | WO0043062 |
| INTERNATIONAL-SEARCH-REPORT | WO2012085916 |
| INTERNATIONAL-SEARCH-REPORT | WO2014076219 |
| OPPOSITION | CN103349577 |
| OPPOSITION | CN116138923 |
| OPPOSITION | EP2522307 |
| OPPOSITION | EP2537488 |
| OPPOSITION | EP2732794 |
| OPPOSITION | JP2004535885 |
| OPPOSITION | JP2012501704 |
| OPPOSITION | SG171706 |
| OPPOSITION | US2003078519 |
| OPPOSITION | US2004215167 |
| OPPOSITION | US2008058764 |
| OPPOSITION | US2008065145 |
| OPPOSITION | US2010179585 |
| OPPOSITION | US2010179647 |
| OPPOSITION | US2013123835 |
| OPPOSITION | US2013184739 |
| OPPOSITION | US2014005540 |
| OPPOSITION | US2014194920 |
| OPPOSITION | US2015313701 |
| OPPOSITION | US6245087 |
| OPPOSITION | US9888994 |
| OPPOSITION | WO0043062 |
| OPPOSITION | WO03009781 |
| OPPOSITION | WO2012009558 |
| OPPOSITION | WO2012085916 |
| OPPOSITION | WO2012160556 |
| OPPOSITION | WO2013132478 |
| OPPOSITION | WO2014061013 |
| OPPOSITION | WO2014076219 |
| OPPOSITION | WO2015104645 |
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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Authorisation
OPPO
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Apr 4, 2024
Feb 22, 2024
Decision to grant a European patent
Search/Exam
Nov 16, 2023
Nov 9, 2023
Authorisation
Search/Exam
Nov 9, 2023
Letter accompanying subsequently filed items
Search/Exam
Nov 9, 2023
Nov 3, 2023
(Electronic) Receipt
Search/Exam
Nov 3, 2023
Authorisation
Search/Exam
Nov 3, 2023
Nov 3, 2023
Filing of the translations of the claims
Search/Exam
Nov 3, 2023
French translation of claims
Search/Exam
Nov 3, 2023
German translation of the claims
Search/Exam
Nov 3, 2023
Nov 3, 2023
Letter accompanying subsequently filed items
Search/Exam
Oct 17, 2023
(Electronic) Receipt
Search/Exam
Oct 17, 2023
Letter accompanying subsequently filed items
Search/Exam
Oct 17, 2023
Jul 4, 2023
Jul 4, 2023
Jul 4, 2023
Jul 4, 2023
Intention to grant (signatures)
Search/Exam
Jul 4, 2023
Text intended for grant (clean copy)
Search/Exam
Jul 4, 2023
May 29, 2023
(Electronic) Receipt
Search/Exam
May 29, 2023
Amended claims with annotations
Search/Exam
May 29, 2023
Amended description with annotations
Search/Exam
May 29, 2023
Claims
Search/Exam
May 29, 2023
Description
Search/Exam
May 29, 2023
Letter accompanying subsequently filed items
Search/Exam
May 29, 2023
Feb 17, 2023
Annex to the communication
Search/Exam
Feb 17, 2023
Feb 17, 2023
Jan 3, 2023
Dec 16, 2022
Letter accompanying subsequently filed items
Search/Exam
Dec 16, 2022
Feb 26, 2021
(Electronic) Receipt
Search/Exam
Feb 26, 2021
Amended claims with annotations
Search/Exam
Feb 26, 2021
Claims
Search/Exam
Feb 26, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 26, 2021
Oct 16, 2020
Annex to the communication
Search/Exam
Oct 16, 2020
Communication from the Examining Division
Search/Exam
Feb 7, 2018
(Electronic) Receipt
Search/Exam
Feb 7, 2018
Amended claims with annotations
Search/Exam
Feb 7, 2018
Claims
Search/Exam
Feb 7, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 7, 2018
Sep 28, 2017
Annex to the communication
Search/Exam
Sep 28, 2017
Communication from the Examining Division
Search/Exam
Mar 7, 2017
Mar 7, 2017
Mar 1, 2017
(Electronic) Receipt
Search/Exam
Mar 1, 2017
Mar 1, 2017
Amended claims with annotations
Search/Exam
Mar 1, 2017
Mar 1, 2017
Amended description with annotations
Search/Exam
Mar 1, 2017
Amendments received before examination
Search/Exam
Mar 1, 2017
Authorisation
Search/Exam
Mar 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 19, 2016
Sep 2, 2016
Aug 31, 2016
Communication to designated inventor
Search/Exam
Aug 31, 2016
Communication to designated inventor
Search/Exam
Aug 31, 2016
Communication to designated inventor
Search/Exam
Jul 15, 2016
Jul 11, 2016
Payment of fees and costs
Search/Exam
Jul 11, 2016
Request for entry into the European phase
Search/Exam
May 20, 2016
Information on entry into European phase
Search/Exam
Nov 19, 2015
Copy of the international search report
Search/Exam
Nov 19, 2015
Aug 3, 2015
Jul 16, 2015
Published international application - A2
Search/Exam
Jul 13, 2015
Jul 13, 2015
Jul 13, 2015
May 26, 2015
May 19, 2015
Apr 24, 2015
Abstract
PCTISA
Apr 24, 2015
Claims
PCTISA
Apr 24, 2015
Description
PCTISA
Apr 24, 2015
Drawings
PCTISA