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The patent EP3087895 was granted to Hydroflex Group on Oct 17, 2018. The application was filed on Apr 29, 2015 under application number EP15165806A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| PURE | Sep 18, 2020 | BECKER KURIG & PARTNER PATENTANWALTE MBB | INTERVENTION ADMISSIBLE |
| PFENNIG REINIGUNGSTECHNIK FREUDENBERG HOME AND CLEANING SOLUTIONS | Jun 24, 2019 | VKK PATENTANWALTE PARTG MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE10134948 |
| DESCRIPTION | DE102012012402 |
| DESCRIPTION | DE202007011580U |
| OPPOSITION | DE10111251 |
| OPPOSITION | DE10134948 |
| OPPOSITION | DE19644679 |
| OPPOSITION | DE29918620U |
| OPPOSITION | DE9421401U |
| OPPOSITION | EP0609678 |
| OPPOSITION | EP0779055 |
| OPPOSITION | EP0784446 |
| OPPOSITION | EP2623012 |
| OPPOSITION | JP2004033237 |
| OPPOSITION | JP2007307142 |
| OPPOSITION | JP2010162343 |
| OPPOSITION | US2005241094 |
| OPPOSITION | US2005250404 |
| OPPOSITION | US2007141299 |
| OPPOSITION | US2010147329 |
| OPPOSITION | US2012060312 |
| OPPOSITION | WO2008138427 |
| OPPOSITION | WO2009095736 |
| OPPOSITION | WO2010121241 |
| OPPOSITION | WO9811290 |
| SEARCH | DE102012012402 |
| SEARCH | DE19823044 |
| SEARCH | US2013117954 |
| SEARCH | WO2009095736 |
| SEARCH | WO2014173493 |
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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Refund of fees
Appeal
Aug 21, 2025
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Aug 14, 2025
(Electronic) Receipt
Appeal
Aug 14, 2025
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Withdrawal of an appeal
Appeal
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(Electronic) Receipt
Appeal
Dec 1, 2023
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Reply to appeal
Appeal
Oct 23, 2023
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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May 30, 2023
(Electronic) Receipt
Appeal
May 30, 2023
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Notice of appeal
Appeal
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Oct 29, 2018
Sep 20, 2018
Decision to grant a European patent
Search/Exam
Sep 6, 2018
(Electronic) Receipt
Search/Exam
Sep 6, 2018
English translation of the claims
Search/Exam
Sep 6, 2018
Filing of the translations of the claims
Search/Exam
Sep 6, 2018
French translation of claims
Search/Exam
Sep 6, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 2, 2018
Jul 2, 2018
Jul 2, 2018
Intention to grant (signatures)
Search/Exam
Jul 2, 2018
Text intended for grant (clean copy)
Search/Exam
Jul 2, 2018
May 29, 2018
Examination started
Search/Exam
May 11, 2017
Submission concerning representation
Search/Exam
May 2, 2017
(Electronic) Receipt
Search/Exam
May 2, 2017
May 2, 2017
Amended claims with annotations
Search/Exam
May 2, 2017
May 2, 2017
Amendments received before examination
Search/Exam
May 2, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 7, 2016
Oct 6, 2016
Notification of forthcoming publication
Search/Exam
Aug 22, 2016
Communication to designated inventor
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Aug 22, 2016
Communication to designated inventor
Search/Exam
Aug 16, 2016
Designation of inventor
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Aug 16, 2016
Letter concerning the inventor
Search/Exam
Aug 12, 2016
Designation of inventor
Search/Exam
Aug 12, 2016
Letter concerning the inventor
Search/Exam
Oct 23, 2015
Oct 23, 2015
European search opinion
Search/Exam
Oct 23, 2015
European search report
Search/Exam
Oct 14, 2015
Search started
Search/Exam
Jun 26, 2015
Deficiency in designation of inventor
Search/Exam
Apr 29, 2015
Abstract
Search/Exam
Apr 29, 2015
Apr 29, 2015
Claims
Search/Exam
Apr 29, 2015
Description
Search/Exam
Apr 29, 2015
Drawings
Search/Exam
Apr 29, 2015
Request for grant of a European patent
Search/Exam