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The patent EP1931413 was granted to KCI Licensing on Mar 16, 2022. The application was filed on Oct 3, 2006 under application number EP06816259A. 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 |
|---|---|---|---|
| SMITH & NEPHEW | Nov 27, 2019 | HGF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2004006319 |
| DESCRIPTION | US2004127862 |
| DESCRIPTION | US3115138 |
| DESCRIPTION | US4828546 |
| DESCRIPTION | US5785700 |
| DESCRIPTION | US6071267 |
| DESCRIPTION | WO2004060148 |
| INTERNATIONAL-SEARCH-REPORT | US2002198503 |
| INTERNATIONAL-SEARCH-REPORT | US5139023 |
| INTERNATIONAL-SEARCH-REPORT | US6071267 |
| OPPOSITION | WO2004060148 |
| SEARCH | US2004006319 |
| SEARCH | US2004127862 |
| SEARCH | WO2004060148 |
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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Means of redress
OPPO
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Jan 31, 2019
Decision to grant a European patent
Search/Exam
Dec 19, 2018
(Electronic) Receipt
Search/Exam
Dec 19, 2018
French translation of claims
Search/Exam
Dec 19, 2018
German translation of the claims
Search/Exam
Dec 19, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 6, 2018
Sep 6, 2018
Sep 6, 2018
Intention to grant (signatures)
Search/Exam
Sep 6, 2018
Text intended for grant (clean copy)
Search/Exam
Sep 6, 2018
Jul 13, 2018
(Electronic) Receipt
Search/Exam
Jul 13, 2018
Amended claims with annotations
Search/Exam
Jul 13, 2018
Amended description with annotations
Search/Exam
Jul 13, 2018
Claims
Search/Exam
Jul 13, 2018
Description
Search/Exam
Jul 13, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 13, 2018
May 11, 2018
May 3, 2018
Apr 25, 2018
Apr 10, 2018
Annex to the communication
Search/Exam
Apr 10, 2018
Communication from the Examining Division
Search/Exam
Oct 25, 2017
Oct 20, 2017
Jul 4, 2017
Jun 27, 2017
Apr 27, 2017
Submission concerning representation
Search/Exam
Jan 27, 2017
(Electronic) Receipt
Search/Exam
Jan 27, 2017
Amended claims with annotations
Search/Exam
Jan 27, 2017
Claims
Search/Exam
Jan 27, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 27, 2017
Dec 9, 2016
Dec 5, 2016
Dec 5, 2016
Nov 29, 2016
Sep 27, 2016
Annex to the communication
Search/Exam
Sep 27, 2016
Communication from the Examining Division
Search/Exam
Jul 4, 2016
Examination started
Search/Exam
Nov 11, 2014
Decision to allow further processing
Search/Exam
Oct 6, 2014
(Electronic) Receipt
Search/Exam
Oct 6, 2014
Oct 6, 2014
Amended claims with annotations
Search/Exam
Oct 6, 2014
Oct 6, 2014
Amended description with annotations
Search/Exam
Oct 6, 2014
Amendments received before examination
Search/Exam
Oct 6, 2014
Letter accompanying subsequently filed items
Search/Exam
Aug 6, 2014
Dec 20, 2013
Dec 3, 2013
Dec 3, 2013
European search opinion
Search/Exam
Dec 3, 2013
Supplementary European search report
Search/Exam
Nov 22, 2013
Search started
Search/Exam
Sep 13, 2012
Sep 10, 2012
Mar 27, 2012
Submission concerning representation
Search/Exam
Feb 27, 2012
Feb 20, 2012
Jan 14, 2010
Jun 13, 2008
May 21, 2008
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May 2, 2008
(Electronic) Receipt
Search/Exam
May 2, 2008
Letter accompanying subsequently filed items
Search/Exam
May 2, 2008
Apr 25, 2008
Mar 18, 2008
(Electronic) Receipt
Search/Exam
Mar 18, 2008
Request for entry into the European phase
Search/Exam
Mar 6, 2008
Notification of the recording of a change
Search/Exam
Feb 15, 2008
Information on entry into European phase
Search/Exam
Oct 4, 2007
Copy of the international search report
Search/Exam
Oct 4, 2007
May 3, 2007
Apr 12, 2007
Published international application - A2
Search/Exam