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The patent EP3139877 was granted to Paul Hartmann on Jul 5, 2023. The application was filed on Apr 28, 2015 under application number EP15720670A. 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 |
|---|---|---|---|
| KCI LICENSING | Apr 3, 2019 | SIMMONS & SIMMONS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP1923077 |
| INTERNATIONAL-SEARCH-REPORT | EP2659865 |
| INTERNATIONAL-SEARCH-REPORT | EP2711033 |
| INTERNATIONAL-SEARCH-REPORT | US2011257573 |
| INTERNATIONAL-SEARCH-REPORT | WO2012143665 |
| OPPOSITION | US2009216168 |
| OPPOSITION | US2014052041 |
| OPPOSITION | US2014163447 |
| OPPOSITION | WO2012082716 |
| OPPOSITION | WO2012143665 |
| OPPOSITION | WO2013007732 |
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.
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Decision to grant a European patent
Search/Exam
May 24, 2018
(Electronic) Receipt
Search/Exam
May 24, 2018
English translation of the claims
Search/Exam
May 24, 2018
Filing of the translations of the claims
Search/Exam
May 24, 2018
French translation of claims
Search/Exam
May 24, 2018
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Jan 31, 2018
Text intended for grant (clean copy)
Search/Exam
Jan 31, 2018
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Examination started
Search/Exam
Sep 8, 2017
(Electronic) Receipt
Search/Exam
Sep 8, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 8, 2017
Priority search results
Search/Exam
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Sep 5, 2017
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(Electronic) Receipt
Search/Exam
Jul 17, 2017
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Amendments received before examination
Search/Exam
Jul 17, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 17, 2017
Letter concerning fees and payments
Search/Exam
Feb 15, 2017
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Communication to designated inventor
Search/Exam
Jan 16, 2017
Communication to designated inventor
Search/Exam
Dec 6, 2016
(Electronic) Receipt
Search/Exam
Dec 6, 2016
Request for entry into the European phase
Search/Exam
Nov 28, 2016
Sep 16, 2016
Information on entry into European phase
Search/Exam
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Copy of the international search report
Search/Exam
Nov 12, 2015
Copy of the international search report
Search/Exam
Nov 12, 2015
Published international application - A1
Search/Exam
Aug 21, 2015
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Apr 28, 2015
(Electronic) Receipt
PCTRO
Apr 28, 2015
Abstract
PCTRO
Apr 28, 2015
Claims
PCTRO
Apr 28, 2015
Description
PCTRO
Apr 28, 2015
Drawings
PCTRO