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The patent EP3186115 was granted to Washtec Holding on Oct 24, 2018. The application was filed on Aug 14, 2015 under application number EP15750070A. 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 |
|---|---|---|---|
| ALFRED KARCHER | Jul 24, 2019 | DTS PATENT UND RECHTSANWALTE PARTMBB | ADMISSIBLE |
| OTTO CHRIST | Jul 24, 2019 | ERNICKE PATENT UND RECHTSANWALTE PARTMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE19524748 |
| INTERNATIONAL-SEARCH-REPORT | DE29814758U |
| INTERNATIONAL-SEARCH-REPORT | JPH0379455 |
| INTERNATIONAL-SEARCH-REPORT | JPH05213163 |
| INTERNATIONAL-SEARCH-REPORT | JPH08332921 |
| OPPOSITION | DD261486 |
| OPPOSITION | DE102010011953 |
| OPPOSITION | DE102014112388 |
| OPPOSITION | DE1936889 |
| OPPOSITION | DE19524748 |
| OPPOSITION | DE2349861 |
| OPPOSITION | DE29814758U |
| OPPOSITION | DE4334132 |
| OPPOSITION | EP0808753 |
| OPPOSITION | EP0980802 |
| OPPOSITION | JP2004243840 |
| OPPOSITION | JP2005225407 |
| OPPOSITION | JP2008094250 |
| OPPOSITION | JPH01164654 |
| OPPOSITION | JPH0379455 |
| OPPOSITION | JPH05213163 |
| OPPOSITION | JPH066136 |
| OPPOSITION | JPH066136U |
| OPPOSITION | JPH08332921 |
| OPPOSITION | JPH11129873 |
| OPPOSITION | US5930859 |
| OPPOSITION | WO03031241 |
| OTHER | DD261486 |
| OTHER | DE29814758U |
| OTHER | JPH05213163 |
| OTHER | JPH066136U |
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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Sep 27, 2018
Decision to grant a European patent
Search/Exam
Sep 17, 2018
(Electronic) Receipt
Search/Exam
Sep 17, 2018
English translation of the claims
Search/Exam
Sep 17, 2018
Filing of the translations of the claims
Search/Exam
Sep 17, 2018
French translation of claims
Search/Exam
Sep 17, 2018
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
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May 11, 2018
Text intended for grant (clean copy)
Search/Exam
May 11, 2018
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Examination started
Search/Exam
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(Electronic) Receipt
Search/Exam
Dec 22, 2017
Letter accompanying subsequently filed items
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Dec 22, 2017
Non-patent literature filed by a third party
Search/Exam
Dec 22, 2017
Observations by third parties
Search/Exam
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Patent document filed by a Third party
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Nov 28, 2017
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Nov 28, 2017
Letter accompanying subsequently filed items
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Nov 28, 2017
Priority search results
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(Electronic) Receipt
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Amended claims with annotations
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Oct 2, 2017
Letter accompanying subsequently filed items
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Communication to designated inventor
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(Electronic) Receipt
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Jun 6, 2017
Letter accompanying subsequently filed items
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Jun 6, 2017
Letter concerning the inventor
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May 12, 2017
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Letter which had not been notified
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Apr 4, 2017
Mar 31, 2017
Communication to designated inventor
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Mar 31, 2017
Communication to designated inventor
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Mar 31, 2017
Communication to designated inventor
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Feb 22, 2017
(Electronic) Receipt
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Feb 22, 2017
Request for entry into the European phase
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Feb 3, 2017
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Information on entry into European phase
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Notification of the recording of a change
Search/Exam
Nov 18, 2016
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Annex
PCT2
Nov 18, 2016
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Written opinion
PCT2
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PCT2
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Notification of the recording of a change
Search/Exam
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Copy of the international search report
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Mar 3, 2016
Copy of the international search report
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Mar 3, 2016
Published international application - A1
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Oct 16, 2015
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(Electronic) Receipt
PCTRO
Aug 14, 2015
Abstract
PCTRO
Aug 14, 2015
Claims
PCTRO
Aug 14, 2015
Description
PCTRO
Aug 14, 2015
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Drawings
PCTRO
Aug 14, 2015