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The patent EP3415171 was granted to KCI Licensing on Dec 14, 2022. The application was filed on Feb 27, 2009 under application number EP18166382A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| ESSITY HYGIENE AND HEALTH AKTIEBOLAG | Sep 14, 2023 | ESSITY HYGIENE AND HEALTH | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP0080008 |
| OPPOSITION | EP1111020 |
| OPPOSITION | EP1444306 |
| OPPOSITION | US2003060380 |
| OPPOSITION | US2004261943 |
| OPPOSITION | US2007249981 |
| OPPOSITION | US5156911 |
| OPPOSITION | US5412035 |
| OPPOSITION | US6084010 |
| OPPOSITION | US6610762 |
| OPPOSITION | US6767342 |
| OPPOSITION | WO2004093786 |
| OPPOSITION | WO2006098138 |
| SEARCH | DE1769580 |
| SEARCH | EP0080008 |
| SEARCH | EP0554106 |
| SEARCH | GB2353219 |
| SEARCH | US2003060380 |
| SEARCH | US2004261943 |
| SEARCH | US2007062643 |
| SEARCH | US2007249981 |
| SEARCH | US4140115 |
| SEARCH | US5032637 |
| SEARCH | US5156911 |
| SEARCH | US5397614 |
| SEARCH | US5412035 |
| SEARCH | US6084010 |
| SEARCH | US6610762 |
| SEARCH | US6946177 |
| SEARCH | WO2006050340 |
| SEARCH | WO9213901 |
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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Nov 17, 2022
Decision to grant a European patent
Search/Exam
Nov 2, 2022
(Electronic) Receipt
Search/Exam
Nov 2, 2022
French translation of claims
Search/Exam
Nov 2, 2022
German translation of the claims
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Nov 2, 2022
Letter accompanying subsequently filed items
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Sep 28, 2022
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Intention to grant (signatures)
Search/Exam
Sep 28, 2022
Text intended for grant (clean copy)
Search/Exam
Sep 28, 2022
Oct 23, 2020
Oct 1, 2020
Annexes in respect of a client data request
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Oct 1, 2020
Annexes in respect of a client data request
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Oct 1, 2020
Annexes in respect of a client data request
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Oct 1, 2020
Sep 10, 2020
(Electronic) Receipt
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Sep 10, 2020
Amended claims with annotations
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Sep 10, 2020
Amended description with annotations
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Sep 10, 2020
Claims
Search/Exam
Sep 10, 2020
Description
Search/Exam
Sep 10, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 10, 2020
May 28, 2020
Annex to the communication
Search/Exam
May 28, 2020
Communication from the Examining Division
Search/Exam
May 25, 2020
Examination started
Search/Exam
Jul 18, 2019
Jul 12, 2019
Jun 3, 2019
(Electronic) Receipt
Search/Exam
Jun 3, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 3, 2019
Reply to Written Opinion prepared by the EPO
Search/Exam
Jan 2, 2019
Nov 21, 2018
Notification of forthcoming publication
Search/Exam
Nov 14, 2018
Refund of fees
Search/Exam
Oct 29, 2018
Communication to designated inventor
Search/Exam
Oct 25, 2018
Oct 25, 2018
European search opinion
Search/Exam
Oct 25, 2018
European search report
Search/Exam
Oct 25, 2018
Information on Search Strategy
Search/Exam
Oct 16, 2018
Search started
Search/Exam
Oct 12, 2018
(Electronic) Receipt
Search/Exam
Oct 12, 2018
Letter concerning the inventor
Search/Exam
Sep 25, 2018
Sep 17, 2018
Letter which had not been notified
Search/Exam
Jul 20, 2018
Notice on debiting of fees
Search/Exam
Jun 21, 2018
(Electronic) Receipt
Search/Exam
Jun 21, 2018
Claims
Search/Exam
Jun 21, 2018
Letter accompanying subsequently filed items
Search/Exam
Jun 4, 2018
Communication to designated inventor
Search/Exam
Jun 4, 2018
Communication to designated inventor
Search/Exam
Jun 4, 2018
Communication to designated inventor
Search/Exam
May 14, 2018
May 3, 2018
Apr 25, 2018
Apr 23, 2018
Invitation to file claims
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Apr 9, 2018
Abstract
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Apr 9, 2018
Apr 9, 2018
Description
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Apr 9, 2018
Designation of inventor
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Apr 9, 2018
Drawings
Search/Exam
Apr 9, 2018
Request for grant of a European patent
Search/Exam
Sep 23, 2009