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The patent EP2422821 was granted to U & I on Oct 19, 2022. The application was filed on Apr 22, 2010 under application number EP10767316A. 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 |
|---|---|---|---|
| BIOTRONIK | Aug 28, 2019 | BIOTRONIK CORPORATE SERVICES | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2007215620 |
| OPPOSITION | CN1792383 |
| OPPOSITION | DE102005003188 |
| OPPOSITION | EP2422821 |
| OPPOSITION | WO2008035948 |
| OPPOSITION | WO9713533 |
| SEARCH | WO2008035948 |
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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Sep 22, 2022
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Means of redress
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Dec 10, 2018
Nov 2, 2018
Decision to grant a European patent
Search/Exam
Oct 17, 2018
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Intention to grant (signatures)
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Oct 17, 2018
Text intended for grant (clean copy)
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Oct 17, 2018
Sep 28, 2018
(Electronic) Receipt
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Sep 28, 2018
Amended claims with annotations
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Sep 28, 2018
Claims
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Sep 28, 2018
French translation of claims
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Sep 28, 2018
German translation of the claims
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Sep 28, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 28, 2018
May 30, 2018
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May 30, 2018
Intention to grant (signatures)
Search/Exam
May 30, 2018
Text intended for grant (clean copy)
Search/Exam
May 30, 2018
Jan 25, 2018
(Electronic) Receipt
Search/Exam
Jan 25, 2018
Amended claims with annotations
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Jan 25, 2018
Amended claims with annotations
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Jan 25, 2018
Amended description with annotations
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Jan 25, 2018
Amended description with annotations
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Jan 25, 2018
Claims
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Jan 25, 2018
Claims
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Jan 25, 2018
Description
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Description
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Jan 25, 2018
Letter accompanying subsequently filed items
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Jan 25, 2018
Oct 2, 2017
Annex to the communication
Search/Exam
Oct 2, 2017
Communication from the Examining Division
Search/Exam
Jun 28, 2017
(Electronic) Receipt
Search/Exam
Jun 28, 2017
Amended claims with annotations
Search/Exam
Jun 28, 2017
Claims
Search/Exam
Jun 28, 2017
Letter accompanying subsequently filed items
Search/Exam
Jun 28, 2017
May 3, 2017
Apr 24, 2017
(Electronic) Receipt
Search/Exam
Apr 24, 2017
Letter accompanying subsequently filed items
Search/Exam
Apr 24, 2017
Dec 23, 2016
Annex to the communication
Search/Exam
Dec 23, 2016
Communication from the Examining Division
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Apr 23, 2015
Payment of fees and costs
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Sep 23, 2014
(Electronic) Receipt
Search/Exam
Sep 23, 2014
Sep 23, 2014
Amended claims with annotations
Search/Exam
Sep 23, 2014
Amendments received before examination
Search/Exam
Sep 23, 2014
Letter accompanying subsequently filed items
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Mar 28, 2014
Mar 11, 2014
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European search opinion
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Mar 11, 2014
Supplementary European search report
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Feb 25, 2014
Search started
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Nov 2, 2012
Oct 19, 2012
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Sep 12, 2012
Communication to designated inventor
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Sep 3, 2012
Letter concerning the inventor
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Mar 26, 2012
Mar 26, 2012
Amended claims with annotations
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Mar 26, 2012
Amendments received before examination
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Mar 22, 2012
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Amended claims with annotations
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Mar 22, 2012
Amended claims with annotations
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Mar 22, 2012
Amendments received before examination
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Mar 22, 2012
Amendments received before examination
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Mar 22, 2012
Cover sheet for fax transmission
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Feb 1, 2012
Notification of forthcoming publication
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Jan 3, 2012
Dec 28, 2011
Letter which had not been notified
Search/Exam
Dec 7, 2011
Nov 22, 2011
(Electronic) Receipt
Search/Exam
Nov 22, 2011
Abstract
Search/Exam
Nov 22, 2011
Claims
Search/Exam
Nov 22, 2011
Description
Search/Exam
Nov 22, 2011
Drawings
Search/Exam
Nov 22, 2011
Request for entry into the European phase
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Nov 22, 2011
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Sep 2, 2011
Information on entry into European phase
Search/Exam
Mar 3, 2011
Copy of the international search report
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Mar 3, 2011
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Nov 18, 2010
Oct 28, 2010
International publication pamphlet
Search/Exam