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The patent EP3251706 was granted to KCI Licensing on Nov 16, 2022. The application was filed on Sep 19, 2007 under application number EP17179449A. 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 AND NEPHEW | Nov 26, 2020 | HGF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | US2008281281 |
| OPPOSITION | US5738656 |
| OPPOSITION | US6663586 |
| OPPOSITION | WO03101508 |
| OPPOSITION | WO2005061025 |
| OPPOSITION | WO2006100053 |
| OPPOSITION | WO2007088530 |
| SEARCH | GB2356148 |
| SEARCH | US3902495 |
| SEARCH | US6663586 |
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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Annexes in respect of a client data request
Search/Exam
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Annexes in respect of a client data request
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Annexes in respect of a client data request
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Oct 1, 2020
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Jan 30, 2020
Decision to grant a European patent
Search/Exam
Jan 8, 2020
(Electronic) Receipt
Search/Exam
Jan 8, 2020
French translation of claims
Search/Exam
Jan 8, 2020
German translation of the claims
Search/Exam
Jan 8, 2020
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2019
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Intention to grant (signatures)
Search/Exam
Oct 8, 2019
Text intended for grant (clean copy)
Search/Exam
Oct 8, 2019
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(Electronic) Receipt
Search/Exam
Sep 3, 2019
Amended claims with annotations
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Sep 3, 2019
Claims
Search/Exam
Sep 3, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 3, 2019
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Intention to grant (signatures)
Search/Exam
May 10, 2019
Text intended for grant (clean copy)
Search/Exam
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Examination started
Search/Exam
May 30, 2018
(Electronic) Receipt
Search/Exam
May 30, 2018
May 30, 2018
Amended claims with annotations
Search/Exam
May 30, 2018
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Amended description with annotations
Search/Exam
May 30, 2018
Amendments received before examination
Search/Exam
May 30, 2018
Letter accompanying subsequently filed items
Search/Exam
May 23, 2018
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Dec 11, 2017
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European search opinion
Search/Exam
Nov 8, 2017
European search report
Search/Exam
Nov 8, 2017
Information on Search Strategy
Search/Exam
Nov 8, 2017
Notification of forthcoming publication
Search/Exam
Oct 25, 2017
Search started
Search/Exam
Oct 9, 2017
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Sep 29, 2017
Letter which had not been notified
Search/Exam
Sep 26, 2017
Letter which had not been notified
Search/Exam
Aug 25, 2017
Communication to designated inventor
Search/Exam
Aug 25, 2017
Communication to designated inventor
Search/Exam
Aug 25, 2017
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Aug 25, 2017
Communication to designated inventor
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Jul 19, 2017
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Abstract
Search/Exam
Jul 4, 2017
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Claims
Search/Exam
Jul 4, 2017
Description
Search/Exam
Jul 4, 2017
Designation of inventor
Search/Exam
Jul 4, 2017
Drawings
Search/Exam
Jul 4, 2017
Request for grant of a European patent
Search/Exam
Apr 24, 2008
Apr 24, 2008