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The patent EP2974754 was granted to KCI Licensing on Nov 21, 2018. The application was filed on Feb 8, 2008 under application number EP15179753A. 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 |
|---|---|---|---|
| PAUL HARTMANN | Aug 21, 2019 | DREISS PATENTANWALTE PARTG MBB | ADMISSIBLE |
| SMITH & NEPHEW | Aug 19, 2019 | HGF | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | EP0100672 |
| OPPOSITION | EP0186762 |
| OPPOSITION | EP0865304 |
| OPPOSITION | US2003040687 |
| OPPOSITION | US2006025727 |
| OPPOSITION | US2007032763 |
| OPPOSITION | US2007055209 |
| OPPOSITION | US5429601 |
| OPPOSITION | US7022113 |
| OPPOSITION | WO0021586 |
| OPPOSITION | WO0061206 |
| OPPOSITION | WO2005025447 |
| OPPOSITION | WO2007013049 |
| OPPOSITION | WO2007088530 |
| OPPOSITION | WO2007096817 |
| OPPOSITION | WO9605873 |
| SEARCH | US2003040687 |
| SEARCH | US2006025727 |
| SEARCH | US2007032763 |
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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Reply to appeal
Appeal
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Reply to appeal
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(Electronic) Receipt
Appeal
Mar 21, 2022
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Appeal
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(Electronic) Receipt
Appeal
Jan 21, 2022
(Electronic) Receipt
Appeal
Jan 21, 2022
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Notice of appeal
Appeal
Jan 21, 2022
Notice of appeal
Appeal
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Oct 25, 2018
Decision to grant a European patent
Search/Exam
Oct 16, 2018
Oct 16, 2018
Oct 16, 2018
Intention to grant (signatures)
Search/Exam
Oct 16, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 16, 2018
Sep 25, 2018
(Electronic) Receipt
Search/Exam
Sep 25, 2018
Amended claims with annotations
Search/Exam
Sep 25, 2018
Claims
Search/Exam
Sep 25, 2018
French translation of claims
Search/Exam
Sep 25, 2018
German translation of the claims
Search/Exam
Sep 25, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 25, 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
May 23, 2018
May 3, 2018
Apr 25, 2018
Oct 25, 2017
Oct 20, 2017
Jul 24, 2017
(Electronic) Receipt
Search/Exam
Jul 24, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 24, 2017
Jul 4, 2017
Jun 27, 2017
Apr 27, 2017
Submission concerning representation
Search/Exam
Mar 31, 2017
Annex to the communication
Search/Exam
Mar 31, 2017
Communication from the Examining Division
Search/Exam
Dec 20, 2016
Examination started
Search/Exam
Dec 9, 2016
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Nov 29, 2016
Jul 15, 2016
(Electronic) Receipt
Search/Exam
Jul 15, 2016
Jul 15, 2016
Amended description with annotations
Search/Exam
Jul 15, 2016
Amendments received before examination
Search/Exam
Jul 15, 2016
Letter concerning fees and payments
Search/Exam
Jan 25, 2016
Dec 23, 2015
Notification of forthcoming publication
Search/Exam
Oct 28, 2015
Refund of fees
Search/Exam
Oct 22, 2015
Oct 22, 2015
European search opinion
Search/Exam
Oct 22, 2015
European search report
Search/Exam
Oct 15, 2015
Modified abstract
Search/Exam
Oct 2, 2015
Search started
Search/Exam
Sep 25, 2015
Communication to designated inventor
Search/Exam
Sep 25, 2015
Communication to designated inventor
Search/Exam
Aug 4, 2015
Abstract
Search/Exam
Aug 4, 2015
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Claims
Search/Exam
Aug 4, 2015
Description
Search/Exam
Aug 4, 2015
Designation of inventor
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Aug 4, 2015
Drawings
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Aug 4, 2015
Sep 9, 2008